Portorož: väder och havstemperatur i December
Historiska data och typiskt väder för den valda månaden.
Lufttemperatur per dag
Dag
Natt
Havstemperatur per dag
Havstemperatur
Tabellen visar genomsnittliga värden efter år.
| December | Dag | Natt | Hav | Vind | Nederbörd | Luftfuktighet |
|---|---|---|---|---|---|---|
| 1Mån |  +10°C |  +4°C | +14°C | 4 m/s | 1.5 mm | 76% |
| 2Tis |  +10°C |  +4°C | +14°C | 4 m/s | 1.6 mm | 81% |
| 3Ons |  +8°C |  +3°C | +14°C | 4 m/s | 1.3 mm | 81% |
| 4Tor |  +9°C | +3°C | +14°C | 3 m/s | 0.1 mm | 79% |
| 5Fre | +9°C |  +5°C | +14°C | 4 m/s | 1.8 mm | 85% |
| 6Lör |  +10°C |  +4°C | +14°C | 3 m/s | 1.2 mm | 81% |
| 7Sön | +9°C | +3°C | +14°C | 2 m/s | 0.5 mm | 78% |
| 8Mån | +9°C | +3°C | +14°C | 3 m/s | 1.2 mm | 77% |
| 9Tis |  +10°C | +4°C | +13°C | 4 m/s | 2.3 mm | 82% |
| 10Ons | +9°C | +4°C | +13°C | 3 m/s | 0.4 mm | 84% |
| 11Tor | +9°C |  +3°C | +13°C | 3 m/s | 0.3 mm | 81% |
| 12Fre | +9°C | +3°C | +13°C | 2 m/s | 0 mm | 80% |
| 13Lör | +9°C | +2°C | +13°C | 2 m/s | 0.9 mm | 74% |
| 14Sön | +9°C | +3°C | +13°C | 2 m/s | 0.2 mm | 76% |
| 15Mån | +10°C | +3°C | +13°C | 2 m/s | 0 mm | 76% |
| 16Tis | +10°C | +4°C | +13°C | 2 m/s | 0.5 mm | 79% |
| 17Ons | +10°C | +4°C | +12°C | 2 m/s | 0.4 mm | 81% |
| 18Tor | +11°C | +4°C | +12°C | 2 m/s | 0 mm | 81% |
| 19Fre | +10°C | +5°C | +12°C | 1 m/s | 0.2 mm | 83% |
| 20Lör | +10°C | +4°C | +12°C | 2 m/s | 1.4 mm | 81% |
| 21Sön | +10°C | +4°C | +13°C | 2 m/s | 0.1 mm | 81% |
| 22Mån | +9°C | +4°C | +12°C | 2 m/s | 0.5 mm | 84% |
| 23Tis | +9°C | +4°C | +12°C | 2 m/s | 1.1 mm | 85% |
| 24Ons | +10°C | +4°C | +12°C | 3 m/s | 0.6 mm | 84% |
| 25Tor | +10°C | +4°C | +12°C | 3 m/s | 0.5 mm | 81% |
| 26Fre | +9°C | +4°C | +12°C | 3 m/s | 0.3 mm | 78% |
| 27Lör | +10°C | +3°C | +12°C | 3 m/s | 0.2 mm | 77% |
| 28Sön | +10°C | +4°C | +12°C | 3 m/s | 0.9 mm | 78% |
| 29Mån | +10°C | +4°C | +12°C | 2 m/s | 0.4 mm | 81% |
| 30Tis | +10°C | +4°C | +12°C | 2 m/s | 0.5 mm | 83% |
| 31Ons | +10°C | +4°C | +12°C | 2 m/s | 0.2 mm | 79% |
Havstemperatur per dag
Havstemperatur +13°C
Lufttemperatur per månad
Dag +10°C
Natt +4°C
Väderextremer i Portorož i December
- Varmaste dagen: 18 december, +11°C
- Kallaste natten: 13 december, +2°C
- Mest nederbörd: 9 december, 2.3 mm
- Varmaste havsvattnet: 1 december, +14°C
- Kallaste havsvattnet: 17 december, +12°C
Klimat i Portorož i i december
- Genomsnittlig dagtemperatur: +10°C
- Genomsnittlig nattemperatur: +4°C
- Havsvattentemperatur: —
- Genomsnittlig månadsnederbörd: 21 mm
- Dagar med nederbörd: 5
- Luftfuktighet: 80%
- Vind: 2 m/s
- Data för 6 år; täckning 100%
Lufttemperatur per dag
Dag
Natt
Tabellen visar genomsnittliga värden efter år.
| December | Dag | Natt | Hav | Vind | Nederbörd | Luftfuktighet |
|---|---|---|---|---|---|---|
| 1Mån | +9°C | +3°C | — | 2 m/s, ONO | 0 mm | 69% |
| 2Tis | +12°C | +7°C | — | 1 m/s, N | 0.1 mm | 79% |
| 3Ons |  +10°C | +9°C | — | 1-2 m/s, O | 0.5 mm | 86% |
| 4Tor | +11°C | +8°C | — | 2-3 m/s, ONO | 0 mm | 82% |
| 5Fre | +9°C |  +4°C | — | 3 m/s, NO | 2.6 mm | 88% |
| 6Lör | +11°C | +4°C | — | 2-3 m/s, NO | 0 mm | 81% |
| 7Sön | +13°C | +7°C | — | 3 m/s, NNO | 0 mm | 78% |
| 8Mån | +12°C | +6°C | — | 1-2 m/s, NO | 0 mm | 77% |
| 9Tis | +13°C | +5°C | — | 1 m/s, VSV | 0 mm | 72% |
| 10Ons | +12°C | +5°C | — | 1 m/s, VNV | 0 mm | 81% |
| 11Tor | +13°C | +4°C | — | 1 m/s, NNV | 0 mm | 82% |
| 12Fre | +14°C | +5°C | — | 2 m/s, NO | 0 mm | 79% |
| 13Lör | +13°C | +4°C | — | 2 m/s, NO | 0 mm | 70% |
| 14Sön | +12°C | +4°C | — | 1-2 m/s, NO | 0 mm | 62% |
| 15Mån | +11°C | +3°C | — | 1-2 m/s, SV | 0 mm | 67% |
| 16Tis | +12°C | +5°C | — | 1-2 m/s, O | 0 mm | 78% |
| 17Ons | +11°C |  +7°C | — | 2 m/s, O | 1.6 mm | 91% |
| 18Tor | +13°C |  +8°C | — | 1-2 m/s, VNV | 0.1 mm | 90% |
| 19Fre | +12°C |  +8°C | — | 1 m/s, S | 0 mm | 94% |
| 20Lör | +13°C | +5°C | — | 1-2 m/s, NO | 0 mm | 85% |
| 21Sön | +12°C | +4°C | — | 2 m/s, ONO | 0 mm | 80% |
| 22Mån | +11°C | +3°C | — | 2 m/s, ONO | 0 mm | 78% |
| 23Tis | +12°C | +6°C | — | 2 m/s, ONO | 0.2 mm | 84% |
| 24Ons | +7°C | +3°C | — | 7-9 m/s, ONO | 0.8 mm | 76% |
| 25Tor | +7°C | +1°C | — | 7-8 m/s, ONO | 0 mm | 69% |
| 26Fre | +8°C | -1°C | — | 3-4 m/s, ONO | 0 mm | 74% |
| 27Lör | +11°C | 0°C | — | 2-3 m/s, NO | 0 mm | 72% |
| 28Sön | +11°C | +1°C | — | 2-3 m/s, ONO | 0 mm | 64% |
| 29Mån | +9°C | +1°C | — | 1-2 m/s, VNV | 0 mm | 65% |
| 30Tis | +7°C | -1°C | — | 4-7 m/s, ONO | 0 mm | 72% |
| 31Ons | +5°C | -3°C | — | 2-3 m/s, NO | 0 mm | 51% |
Väderextremer i Portorož i December
- Varmaste dagen: 12 december, +14°C
- Kallaste natten: 31 december, -3°C
- Mest nederbörd: 5 december, 2.6 mm
- Varmaste vattnet: —
- Kallaste vattnet: —
Klimat i Portorož i i december
- År: 2025
- Genomsnittlig dagtemperatur: +11°C
- Genomsnittlig nattemperatur: +4°C
- Vattentemperatur: —
- Nederbörd under månaden: 5.9 mm
- Dagar med nederbörd: 2
- Luftfuktighet: 77%
- Vind: 2 m/s
Lufttemperatur per dag
Dag
Natt
Havstemperatur per dag
Havstemperatur
Tabellen visar genomsnittliga värden efter år.
| December | Dag | Natt | Hav | Vind | Nederbörd | Luftfuktighet |
|---|---|---|---|---|---|---|
| 1Sön | +11°C | +3°C | +14°C | 5-6 m/s, NO | 0 mm | 70% |
| 2Mån | +11°C | +2°C | +14°C | 4-5 m/s, ONO | 0 mm | 74% |
| 3Tis | +10°C | +2°C | +14°C | 2-4 m/s, ONO | 0 mm | 73% |
| 4Ons | +9°C | +3°C | +14°C | 6 m/s, NO | 0 mm | 72% |
| 5Tor | +8°C | +2°C | +14°C | 6 m/s, NO | 0 mm | 64% |
| 6Fre | +7°C | 0°C | +14°C | 2-3 m/s, VSV | 0 mm | 68% |
| 7Lör | +9°C | +1°C | +14°C | 1-2 m/s, VSV | 0 mm | 66% |
| 8Sön | +8°C | +3°C | +14°C | 7-11 m/s, ONO | 0.9 mm | 69% |
| 9Mån | +8°C | +2°C | +13°C | 8-9 m/s, NO | 0 mm | 67% |
| 10Tis | +9°C | +1°C | +13°C | 6 m/s, ONO | 0 mm | 73% |
| 11Ons | +8°C | +1°C | +13°C | 3-4 m/s, ONO | 0 mm | 73% |
| 12Tor | +9°C | 0°C | +13°C | 3-4 m/s, NO | 0 mm | 75% |
| 13Fre | +10°C | 0°C | +13°C | 2-3 m/s, SV | 0 mm | 67% |
| 14Lör | +6°C |  +2°C | +13°C | 1-2 m/s, NV | 0.9 mm | 86% |
| 15Sön | +9°C | +1°C | +13°C | 1-2 m/s, N | 0 mm | 82% |
| 16Mån | +10°C | +1°C | +13°C | 1-2 m/s, N | 0 mm | 66% |
| 17Tis | +10°C | +2°C | +12°C | 2 m/s, S | 0 mm | 71% |
| 18Ons | +9°C | +2°C | +12°C | 1-2 m/s, S | 0 mm | 82% |
| 19Tor | +9°C | +3°C | +12°C | 2-3 m/s, SSV | 1.2 mm | 93% |
| 20Fre | +9°C | +1°C | +12°C | 6-9 m/s, NO | 7.8 mm | 76% |
| 21Lör | +7°C | -1°C | +13°C | 1-2 m/s, NO | 0 mm | 73% |
| 22Sön | +6°C | -1°C | +12°C | 2-3 m/s, S | 2 mm | 80% |
| 23Mån | +5°C | -1°C | +12°C | 5-7 m/s, NV | 5.7 mm | 76% |
| 24Tis | +7°C | -1°C | +12°C | 2-3 m/s, NNV | 0 mm | 62% |
| 25Ons | +9°C | 0°C | +12°C | 4-6 m/s, NO | 0 mm | 57% |
| 26Tor | +9°C | +1°C | +12°C | 5-8 m/s, ONO | 0 mm | 52% |
| 27Fre | +10°C | 0°C | +12°C | 4-5 m/s, NO | 0 mm | 52% |
| 28Lör | +11°C | +2°C | +12°C | 3 m/s, ONO | 0 mm | 52% |
| 29Sön | +12°C | +3°C | +12°C | 2 m/s, NO | 0 mm | 62% |
| 30Mån | +12°C | +3°C | +12°C | 1-2 m/s, NNO | 0 mm | 67% |
| 31Tis | +11°C | +3°C | +12°C | 1 m/s, SV | 0 mm | 74% |
Väderextremer i Portorož i December
- Varmaste dagen: 29 december, +12°C
- Kallaste natten: 21 december, -1°C
- Mest nederbörd: 20 december, 7.8 mm
- Varmaste vattnet: 1 december, +14°C
- Kallaste vattnet: 17 december, +12°C
Klimat i Portorož i i december
- År: 2024
- Genomsnittlig dagtemperatur: +9°C
- Genomsnittlig nattemperatur: +1°C
- Vattentemperatur: —
- Nederbörd under månaden: 18.5 mm
- Dagar med nederbörd: 4
- Luftfuktighet: 70%
- Vind: 3 m/s
Lufttemperatur per dag
Dag
Natt
Tabellen visar genomsnittliga värden efter år.
| December | Dag | Natt | Hav | Vind | Nederbörd | Luftfuktighet |
|---|---|---|---|---|---|---|
| 1Fre |  +17°C | +5°C | — | 3-6 m/s, SSV | 9.2 mm | 88% |
| 2Lör | +15°C | +4°C | — | 6-8 m/s, SSV | 4.2 mm | 70% |
| 3Sön | +6°C | -2°C | — | 5-7 m/s, NO | 2 mm | 74% |
| 4Mån | +6°C | -2°C | — | 1-2 m/s, NNO | 0.1 mm | 61% |
| 5Tis | +6°C | 0°C | — | 2 m/s, NNO | 4.2 mm | 94% |
| 6Ons | +8°C | +1°C | — | 4-5 m/s, NO | 0 mm | 81% |
| 7Tor | +8°C | 0°C | — | 2 m/s, NNO | 0 mm | 78% |
| 8Fre | +8°C | -1°C | — | 2 m/s, NO | 0 mm | 76% |
| 9Lör | +9°C | +2°C | — | 1-2 m/s, NO | 0.5 mm | 78% |
| 10Sön | +9°C | +3°C | — | 1 m/s, N | 0.4 mm | 86% |
| 11Mån | +10°C | +3°C | — | 2-3 m/s, S | 0.8 mm | 90% |
| 12Tis | +10°C | +5°C | — | 1 m/s, NNV | 0.2 mm | 92% |
| 13Ons | +11°C | +6°C | — | 1 m/s, V | 5.4 mm | 98% |
| 14Tor | +10°C | +5°C | — | 2-3 m/s, NNO | 0.1 mm | 84% |
| 15Fre | +11°C | +3°C | — | 3-4 m/s, ONO | 0 mm | 76% |
| 16Lör | +9°C | +1°C | — | 3-4 m/s, NO | 0 mm | 70% |
| 17Sön | +11°C | +1°C | — | 2-4 m/s, ONO | 0 mm | 70% |
| 18Mån | +12°C | +4°C | — | 1 m/s, NV | 0 mm | 68% |
| 19Tis | +13°C | +5°C | — | 1 m/s, NV | 0 mm | 66% |
| 20Ons | +11°C | +4°C | — | 1-2 m/s, SSO | 0 mm | 77% |
| 21Tor | +11°C | +4°C | — | 2 m/s, SO | 0 mm | 74% |
| 22Fre | +10°C | +3°C | — | 2 m/s, VSV | 0.1 mm | 83% |
| 23Lör | +11°C | +3°C | — | 2 m/s, SSV | 0 mm | 84% |
| 24Sön | +12°C | +4°C | — | 2 m/s, S | 0 mm | 85% |
| 25Mån | +12°C | +4°C | — | 2-3 m/s, SV | 0 mm | 86% |
| 26Tis | +10°C | +5°C | — | 1-2 m/s, SSV | 0.1 mm | 90% |
| 27Ons | +12°C | +5°C | — | 1-2 m/s, SSV | 0.1 mm | 87% |
| 28Tor | +10°C | +5°C | — | 2 m/s, S | 0 mm | 93% |
| 29Fre | +10°C | +6°C | — | 1-2 m/s, VSV | 0 mm | 92% |
| 30Lör | +10°C | +6°C | — | 1 m/s, SV | 0.2 mm | 90% |
| 31Sön |  +11°C | +7°C | — | 2-3 m/s, VSV | 0.7 mm | 95% |
Väderextremer i Portorož i December
- Varmaste dagen: 1 december, +17°C
- Kallaste natten: 3 december, -2°C
- Mest nederbörd: 1 december, 9.2 mm
- Varmaste vattnet: —
- Kallaste vattnet: —
Klimat i Portorož i i december
- År: 2023
- Genomsnittlig dagtemperatur: +10°C
- Genomsnittlig nattemperatur: +3°C
- Vattentemperatur: —
- Nederbörd under månaden: 28.3 mm
- Dagar med nederbörd: 5
- Luftfuktighet: 82%
- Vind: 2 m/s
Lufttemperatur per dag
Dag
Natt
Tabellen visar genomsnittliga värden efter år.
| December | Dag | Natt | Hav | Vind | Nederbörd | Luftfuktighet |
|---|---|---|---|---|---|---|
| 1Tor | +8°C | +5°C | — | 6-7 m/s, ONO | 0 mm | 78% |
| 2Fre | +8°C | +4°C | — | 3-4 m/s, O | 0.3 mm | 87% |
| 3Lör | +8°C | +5°C | — | 4 m/s, ONO | 2.4 mm | 88% |
| 4Sön | +9°C | +6°C | — | 4-6 m/s, ONO | 0.3 mm | 89% |
| 5Mån | +12°C | +9°C | — | 3-4 m/s, SO | 0.9 mm | 92% |
| 6Tis | +11°C | +6°C | — | 2 m/s, SSO | 0.2 mm | 90% |
| 7Ons | +10°C | +6°C | — | 3-4 m/s, ONO | 0 mm | 85% |
| 8Tor | +10°C | +5°C | — | 2-4 m/s, O | 0.2 mm | 84% |
| 9Fre | +13°C | +7°C | — | 3-6 m/s, S | 3.3 mm | 96% |
| 10Lör | +10°C | +6°C | — | 3-6 m/s, OSO | 1.7 mm | 95% |
| 11Sön | +7°C | +3°C | — | 5-6 m/s, NO | 0.9 mm | 79% |
| 12Mån | +6°C | 0°C | — | 3-4 m/s, NO | 0 mm | 74% |
| 13Tis | +3°C | -1°C | — | 4 m/s, ONO | 0 mm | 74% |
| 14Ons | +6°C | 0°C | — | 2-3 m/s, ONO | 0 mm | 72% |
| 15Tor | +9°C | +3°C | — | 1-3 m/s, ONO | 0.2 mm | 76% |
| 16Fre | +10°C | +8°C | — | 3-7 m/s, SO | 3.2 mm | 97% |
| 17Lör | +9°C | +4°C | — | 4-6 m/s, ONO | 0.8 mm | 88% |
| 18Sön | +9°C | +1°C | — | 4-5 m/s, ONO | 0 mm | 80% |
| 19Mån | +7°C | +1°C | — | 2-4 m/s, S | 0 mm | 78% |
| 20Tis | +7°C | +3°C | — | 1 m/s, S | 0.3 mm | 80% |
| 21Ons | +9°C | +5°C | — | 0-1 m/s, VSV | 0.3 mm | 94% |
| 22Tor | +10°C | +7°C | — | 1 m/s, SSV | 0.7 mm | 93% |
| 23Fre | +10°C | +7°C | — | 1 m/s, SSO | 0.2 mm | 92% |
| 24Lör | +11°C | +6°C | — | 1 m/s, O | 0.4 mm | 92% |
| 25Sön | +12°C | +7°C | — | 1 m/s, SV | 0 mm | 94% |
| 26Mån | +11°C | +8°C | — | 1 m/s, SSV | 0.6 mm | 95% |
| 27Tis | +12°C | +9°C | — | 1-2 m/s, S | 0.9 mm | 94% |
| 28Ons | +10°C | +6°C | — | 2-4 m/s, ONO | 0 mm | 80% |
| 29Tor | +10°C | +6°C | — | 2 m/s, OSO | 0.1 mm | 92% |
| 30Fre | +11°C | +8°C | — | 2 m/s, SSV | 1.5 mm | 97% |
| 31Lör | +12°C | +8°C | — | 1 m/s, V | 0.1 mm | 97% |
Väderextremer i Portorož i December
- Varmaste dagen: 9 december, +13°C
- Kallaste natten: 13 december, -1°C
- Mest nederbörd: 9 december, 3.3 mm
- Varmaste vattnet: —
- Kallaste vattnet: —
Klimat i Portorož i i december
- År: 2022
- Genomsnittlig dagtemperatur: +9°C
- Genomsnittlig nattemperatur: +5°C
- Vattentemperatur: —
- Nederbörd under månaden: 19.5 mm
- Dagar med nederbörd: 5
- Luftfuktighet: 87%
- Vind: 2 m/s
Lufttemperatur per dag
Dag
Natt
Tabellen visar genomsnittliga värden efter år.
| December | Dag | Natt | Hav | Vind | Nederbörd | Luftfuktighet |
|---|---|---|---|---|---|---|
| 1Ons | +9°C | +4°C | — | 3-4 m/s, SSV | 0.1 mm | 82% |
| 2Tor | +9°C |  +5°C | — | 3 m/s, S | 4.8 mm | 96% |
| 3Fre | +8°C | +2°C | — | 4-5 m/s, NO | 0.2 mm | 73% |
| 4Lör | +8°C | +1°C | — | 2 m/s, SSO | 0.1 mm | 74% |
| 5Sön | +7°C | +4°C | — | 2-4 m/s, ONO | 2.2 mm | 91% |
| 6Mån | +8°C | +2°C | — | 4 m/s, NO | 0 mm | 82% |
| 7Tis | +6°C | 0°C | — | 2 m/s, ONO | 0 mm | 78% |
| 8Ons | +8°C | +1°C | — | 3-5 m/s, OSO | 0.4 mm | 70% |
| 9Tor | +6°C | +3°C | — | 4 m/s, ONO | 7.2 mm | 94% |
| 10Fre | +7°C | +2°C | — | 2-3 m/s, SSO | 0.1 mm | 80% |
| 11Lör | +8°C | +2°C | — | 5-7 m/s, NO | 0 mm | 73% |
| 12Sön | +7°C | +1°C | — | 2-3 m/s, S | 0 mm | 71% |
| 13Mån | +10°C | +2°C | — | 1 m/s, SSV | 0 mm | 61% |
| 14Tis | +10°C | +2°C | — | 2 m/s, ONO | 0 mm | 77% |
| 15Ons | +10°C | +4°C | — | 2 m/s, NO | 0 mm | 84% |
| 16Tor | +11°C | +4°C | — | 3-4 m/s, ONO | 0 mm | 78% |
| 17Fre | +10°C | +3°C | — | 1-2 m/s, SV | 0 mm | 79% |
| 18Lör | +9°C | +3°C | — | 3-5 m/s, ONO | 0 mm | 74% |
| 19Sön | +8°C | +3°C | — | 1 m/s, S | 0 mm | 76% |
| 20Mån | +10°C | +2°C | — | 3-6 m/s, O | 0 mm | 76% |
| 21Tis | +7°C | +2°C | — | 3-4 m/s, ONO | 0 mm | 73% |
| 22Ons | +7°C | +2°C | — | 3-4 m/s, NO | 0 mm | 78% |
| 23Tor | +7°C | +2°C | — | 1-2 m/s, SV | 0.1 mm | 80% |
| 24Fre | +7°C | +4°C | — | 1 m/s, V | 0.6 mm | 93% |
| 25Lör | +9°C | +5°C | — | 1 m/s, ONO | 0.6 mm | 98% |
| 26Sön | +9°C | +6°C | — | 2-3 m/s, ONO | 1 mm | 96% |
| 27Mån | +10°C | +6°C | — | 2-4 m/s, SO | 0 mm | 93% |
| 28Tis | +9°C | +6°C | — | 1 m/s, SV | 0.9 mm | 94% |
| 29Ons | +10°C | +5°C | — | 0-1 m/s, SV | 0.3 mm | 93% |
| 30Tor | +12°C | +4°C | — | 2-3 m/s, SSV | 0 mm | 84% |
| 31Fre | +13°C | +5°C | — | 1 m/s, SSV | 0 mm | 72% |
Väderextremer i Portorož i December
- Varmaste dagen: 31 december, +13°C
- Kallaste natten: 7 december, 0°C
- Mest nederbörd: 9 december, 7.2 mm
- Varmaste vattnet: —
- Kallaste vattnet: —
Klimat i Portorož i i december
- År: 2021
- Genomsnittlig dagtemperatur: +9°C
- Genomsnittlig nattemperatur: +3°C
- Vattentemperatur: —
- Nederbörd under månaden: 18.6 mm
- Dagar med nederbörd: 4
- Luftfuktighet: 81%
- Vind: 2 m/s
Lufttemperatur per dag
Dag
Natt
Tabellen visar genomsnittliga värden efter år.
| December | Dag | Natt | Hav | Vind | Nederbörd | Luftfuktighet |
|---|---|---|---|---|---|---|
| 1Tis | +6°C | +1°C | — | 4-5 m/s, ONO | 0 mm | 70% |
| 2Ons | +3°C | +1°C | — | 8-9 m/s, ONO | 0.4 mm | 78% |
| 3Tor | +5°C | +1°C | — | 5-8 m/s, ONO | 2.9 mm | 90% |
| 4Fre | +8°C | +1°C | — | 3-5 m/s, O | 0 mm | 93% |
| 5Lör | +14°C | +9°C | — | 7-9 m/s, SO | 0.8 mm | 82% |
| 6Sön | +13°C | +9°C | — | 6-8 m/s, OSO | 6.8 mm | 86% |
| 7Mån | +10°C | +6°C | — | 3-4 m/s, SSO | 2.7 mm | 85% |
| 8Tis | +10°C | +5°C | — | 5-6 m/s, O | 5.5 mm | 86% |
| 9Ons | +9°C | +5°C | — | 6-7 m/s, ONO | 2.5 mm | 84% |
| 10Tor | +9°C | +4°C | — | 2-4 m/s, NO | 0 mm | 86% |
| 11Fre | +9°C | +4°C | — | 2-3 m/s, OSO | 0.1 mm | 88% |
| 12Lör | +9°C | +4°C | — | 2-3 m/s, OSO | 0 mm | 86% |
| 13Sön | +9°C | +3°C | — | 4-5 m/s, NO | 0 mm | 76% |
| 14Mån | +10°C | +3°C | — | 2-4 m/s, NO | 0 mm | 77% |
| 15Tis | +9°C | +3°C | — | 2-3 m/s, SSO | 0 mm | 71% |
| 16Ons | +10°C | +3°C | — | 1-2 m/s, SSO | 0 mm | 82% |
| 17Tor | +10°C | +5°C | — | 1 m/s, SSV | 0 mm | 88% |
| 18Fre | +11°C | +5°C | — | 1-2 m/s, SSV | 0 mm | 90% |
| 19Lör | +10°C | +7°C | — | 1-2 m/s, S | 0 mm | 88% |
| 20Sön | +11°C | +7°C | — | 1 m/s, SO | 0.1 mm | 90% |
| 21Mån | +11°C | +7°C | — | 1 m/s, NV | 0.2 mm | 92% |
| 22Tis | +10°C | +7°C | — | 1 m/s, SSV | 0.3 mm | 92% |
| 23Ons | +11°C | +8°C | — | 1 m/s, SV | 0.6 mm | 94% |
| 24Tor | +13°C | +9°C | — | 4-5 m/s, SSV | 1.8 mm | 93% |
| 25Fre | +10°C | +5°C | — | 4-7 m/s, ONO | 2.6 mm | 83% |
| 26Lör | +5°C | +2°C | — | 8-9 m/s, NO | 0 mm | 62% |
| 27Sön | +5°C | 0°C | — | 6-8 m/s, ONO | 0 mm | 65% |
| 28Mån | +9°C | +1°C | — | 5-7 m/s, S | 4.4 mm | 86% |
| 29Tis | +9°C | +5°C | — | 4-5 m/s, SSV | 1.9 mm | 84% |
| 30Ons | +8°C | +4°C | — | 2-3 m/s, VSV | 1.5 mm | 89% |
| 31Tor | +7°C | +3°C | — | 2-4 m/s, NNO | 0.1 mm | 82% |
Väderextremer i Portorož i December
- Varmaste dagen: 5 december, +14°C
- Kallaste natten: 27 december, 0°C
- Mest nederbörd: 6 december, 6.8 mm
- Varmaste vattnet: —
- Kallaste vattnet: —
Klimat i Portorož i i december
- År: 2020
- Genomsnittlig dagtemperatur: +9°C
- Genomsnittlig nattemperatur: +4°C
- Vattentemperatur: —
- Nederbörd under månaden: 35.2 mm
- Dagar med nederbörd: 10
- Luftfuktighet: 84%
- Vind: 3 m/s
Väder i Portorož efter år i i december
| År | Dag | Natt | Nederbörd | Dagar med nederbörd | Havstemperatur |
|---|---|---|---|---|---|
| 2025 | +11°C | +4°C | 5.9 mm | 2 | — |
| 2024 | +9°C | +1°C | 18.5 mm | 4 | — |
| 2023 | +10°C | +3°C | 28.3 mm | 5 | — |
| 2022 | +9°C | +5°C | 19.5 mm | 5 | — |
| 2021 | +9°C | +3°C | 18.6 mm | 4 | — |
| 2020 | +9°C | +4°C | 35.2 mm | 10 | — |
december: väder i Portorož efter år
| Månad | Dag | Natt | Dagar med nederbörd | Soliga dagar |
|---|---|---|---|---|
| Januari | +9°C | +2°C | 5 | 12 |
| Februari | +11°C | +3°C | 4 | 9 |
| Mars | +13°C | +5°C | 5 | 14 |
| April | +16°C | +8°C | 5 | 11 |
| Maj | +21°C | +12°C | 6 | 9 |
| Juni | +27°C | +18°C | 4 | 15 |
| Juli | +30°C | +20°C | 4 | 18 |
| Augusti | +30°C | +20°C | 4 | 18 |
| September | +24°C | +16°C | 7 | 15 |
| Oktober | +19°C | +11°C | 6 | 13 |
| November | +13°C | +6°C | 6 | 11 |
| December | +10°C | +4°C | 5 | 11 |