Weather in Koper on 20 July 2026
Weather observations for 20 July 2026
The stored hourly record for Koper on 20 July 2026 shows temperatures from +22.7°C to +31.3°C.
Key figures: precipitation 2.2 mm, wind 2 — 4 m/s, average humidity 49%.
+28.1°C
Hourly weather — 2026
Clear/Sunny
Hourly observations for a past date
Hourly weather — 2026
Nighttime: +22.7°C
Sea temperature: +27°C
Precipitation: 2.2 mm
Wind: 2 — 4 m/s
Humidity: 49%
Hourly observations
20 July
00:00
+24.8°C
4 m/s
0 mm
01:00
+24.4°C
4 m/s
0.1 mm
02:00
+23.9°C
4 m/s
0.8 mm
03:00
+23.5°C
3 m/s
1 mm
04:00
+23.1°C
3 m/s
0.1 mm
05:00
+22.7°C
3 m/s
06:00
+23.5°C
3 m/s
0.1 mm
07:00
+23.4°C
3 m/s
0.1 mm
08:00
+23.7°C
2 m/s
0 mm
09:00
+24.5°C
3 m/s
0 mm
10:00
+25.4°C
3 m/s
11:00
+26.7°C
3 m/s
12:00
+28.1°C
3 m/s
13:00
+29.2°C
3 m/s
14:00
+30°C
3 m/s
15:00
+30.6°C
3 m/s
16:00
+31.1°C
2 m/s
17:00
+31.3°C
2 m/s
18:00
+29.8°C
2 m/s
19:00
+28.9°C
2 m/s
20:00
+27.7°C
2 m/s
21:00
+26°C
2 m/s
22:00
+24.8°C
3 m/s
23:00
+24.3°C
3 m/s
| July 20, 2026 |
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Temperature | +24.8°C | +24.4°C | +23.9°C | +23.5°C | +23.1°C | +22.7°C | +23.5°C | +23.4°C | +23.7°C | +24.5°C | +25.4°C | +26.7°C | +28.1°C | +29.2°C | +30°C | +30.6°C | +31.1°C | +31.3°C | +29.8°C | +28.9°C | +27.7°C | +26°C | +24.8°C | +24.3°C |
| Feels like | +25.9°C | +25.5°C | +25.2°C | +25°C | +24.9°C | +24.8°C | +24.9°C | +24.9°C | +25.1°C | +25.5°C | +26.1°C | +27°C | +28.2°C | +29.2°C | +30°C | +30.7°C | +31.3°C | +31.6°C | +30.3°C | +29.5°C | +28.4°C | +27°C | +26°C | +25.6°C |
| Precipitation | 0 mm | 0.1 mm | 0.8 mm | 1 mm | 0.1 mm | 0 mm | 0.1 mm | 0.1 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm |
| Humidity | 55% | 54% | 54% | 54% | 55% | 56% | 49% | 50% | 50% | 50% | 48% | 45% | 42% | 40% | 39% | 38% | 37% | 38% | 43% | 46% | 50% | 55% | 58% | 58% |
| Wind | 4 m/s | 4 m/s | 4 m/s | 3 m/s | 3 m/s | 3 m/s | 3 m/s | 3 m/s | 2 m/s | 3 m/s | 3 m/s | 3 m/s | 3 m/s | 3 m/s | 3 m/s | 3 m/s | 2 m/s | 2 m/s | 2 m/s | 2 m/s | 2 m/s | 2 m/s | 3 m/s | 3 m/s |
| Wind gusts | 5 m/s | 5 m/s | 6 m/s | 4 m/s | 4 m/s | 4 m/s | 5 m/s | 4 m/s | 4 m/s | 5 m/s | 6 m/s | 5 m/s | 5 m/s | 6 m/s | 6 m/s | 4 m/s | 4 m/s | 4 m/s | 4 m/s | 5 m/s | 5 m/s | 5 m/s | 4 m/s | 4 m/s |
| Wind direction | 77° (ENE) | 78° (ENE) | 65° (ENE) | 51° (NE) | 71° (ENE) | 75° (ENE) | 80° (E) | 51° (NE) | 60° (ENE) | 55° (NE) | 61° (ENE) | 56° (NE) | 53° (NE) | 49° (NE) | 40° (NE) | 30° (NNE) | 5° (N) | 334° (NNW) | 332° (NNW) | 1° (N) | 38° (NE) | 60° (ENE) | 66° (ENE) | 73° (ENE) |
| Pressure | 761 mmHg | 761 mmHg | 761 mmHg | 761 mmHg | 761 mmHg | 761 mmHg | 761 mmHg | 761 mmHg | 761 mmHg | 761 mmHg | 761 mmHg | 761 mmHg | 761 mmHg | 761 mmHg | 761 mmHg | 761 mmHg | 761 mmHg | 761 mmHg | 761 mmHg | 761 mmHg | 761 mmHg | 761 mmHg | 762 mmHg | 762 mmHg |
| Cloud cover | 6% | 45% | 44% | 61% | 62% | 64% | 78% | 62% | 69% | 69% | 12% | 4% | 2% | 4% | 19% | 4% | 7% | 8% | 20% | 16% | 16% | 14% | 37% | 71% |
| Visibility | 16 km | 16 km | 16 km | 16 km | 16 km | 16 km | 16 km | 16 km | 16 km | 16 km | 16 km | 16 km | 16 km | 16 km | 16 km | 16 km | 16 km | 16 km | 16 km | 16 km | 16 km | 16 km | 16 km | 16 km |
| UV index | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 4 | 6 | 8 | 8 | 7 | 7 | 5 | 3 | 1 | 0 | 0 | 0 | 0 | 0 |
| Rain chance | 15% | 15% | 45% | 45% | 20% | 5% | 20% | 15% | 20% | 20% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 10% |
| Snow chance | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Water temperature | +27°C | +27°C | +27°C | +27°C | +27°C | +27°C | +27°C | +27°C | +27°C | +27°C | +27°C | +27°C | +27°C | +27°C | +27°C | +27°C | +27°C | +27°C | +27°C | +27°C | +27°C | +27°C | +27°C | +27°C |
Sunrise
05:35
Duration
15 h 11 min
Sunset
20:46
Moonrise
12:37
Moonset
23:33
Moon phase
First Quarter
Illumination
34%
+24°C
Weather archive — latest year: 2025
Clear/Sunny
Weather archive — latest year: 2025
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +30°C | Sun hours | 14 h |
| UV index | 6 | Cloud cover (avg.) | 30% |
| Pressure (avg.) | 758 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +24°C | Dew point (avg.) | +18°C |
| Heat index (avg.) | +24°C | Wind chill (avg.) | +24°C |
| Wind gusts (max.) | 5 m/s | Wind direction (avg.) | 180° ← (W) |
Sunrise
05:36
Duration
15 h 10 min
Sunset
20:46
Moonrise
00:36
Moonset
16:34
Moon phase
Waning Crescent
Illumination
26%
+26°C
Weather archive — for 2024 year
Patchy rain nearby
Weather archive — for 2024 year
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +32°C | Sun hours | 10 h |
| UV index | 7 | Cloud cover (avg.) | 45% |
| Pressure (avg.) | 758 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | +26°C |
| Feels like (avg.) | +27°C | Dew point (avg.) | +20°C |
| Heat index (avg.) | +28°C | Wind chill (avg.) | +26°C |
| Wind gusts (max.) | 8 m/s | Wind direction (avg.) | 55° ↗ (NE) |
Sunrise
05:36
Duration
15 h 10 min
Sunset
20:46
Moonrise
20:44
Moonset
03:49
Moon phase
Waxing Gibbous
Illumination
97%
+27°C
Weather archive — for 2023 year
Cloudy
Weather archive — for 2023 year
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +32°C | Sun hours | 10 h |
| UV index | 6 | Cloud cover (avg.) | 62% |
| Pressure (avg.) | 758 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +29°C | Dew point (avg.) | +20°C |
| Heat index (avg.) | +29°C | Wind chill (avg.) | +27°C |
| Wind gusts (max.) | 8 m/s | Wind direction (avg.) | 72° ↗ (ENE) |
Sunrise
05:35
Duration
15 h 12 min
Sunset
20:47
Moonrise
08:14
Moonset
22:42
Moon phase
Waxing Crescent
Illumination
12%
+27°C
Weather archive — for 2022 year
Clear/Sunny
Weather archive — for 2022 year
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +34°C | Sun hours | 15 h |
| UV index | 7 | Cloud cover (avg.) | 1% |
| Pressure (avg.) | 764 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +28°C | Dew point (avg.) | +13°C |
| Heat index (avg.) | +28°C | Wind chill (avg.) | +28°C |
| Wind gusts (max.) | 7 m/s | Wind direction (avg.) | 152° ↘ (SSE) |
Sunrise
05:35
Duration
15 h 12 min
Sunset
20:47
Moonrise
00:07
Moonset
13:23
Moon phase
Last Quarter
Illumination
50%
+25°C
Weather archive — for 2021 year
Partly Cloudy
Weather archive — for 2021 year
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +30°C | Sun hours | 15 h |
| UV index | 6 | Cloud cover (avg.) | 23% |
| Pressure (avg.) | 761 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +26°C | Dew point (avg.) | +16°C |
| Heat index (avg.) | +26°C | Wind chill (avg.) | +25°C |
| Wind gusts (max.) | 6 m/s | Wind direction (avg.) | 123° ↓ (S) |
Sunrise
05:36
Duration
15 h 10 min
Sunset
20:46
Moonrise
17:01
Moonset
01:33
Moon phase
Waxing Gibbous
Illumination
73%
+23°C
Weather archive — for 2020 year
Clear/Sunny
Weather archive — for 2020 year
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +27°C | Sun hours | 15 h |
| UV index | 6 | Cloud cover (avg.) | 9% |
| Pressure (avg.) | 762 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +23°C | Dew point (avg.) | +17°C |
| Heat index (avg.) | +23°C | Wind chill (avg.) | +23°C |
| Wind gusts (max.) | 6 m/s | Wind direction (avg.) | 186° ↙ (WSW) |
Sunrise
05:36
Duration
15 h 10 min
Sunset
20:46
Moonrise
04:59
Moonset
20:59
Moon phase
New Moon
Illumination
0%
Weather in Koper on 20 July in previous years
| Year | Day | Nighttime | Average | Sun | UV | Humidity | Wind |
|---|---|---|---|---|---|---|---|
| 2025 |
|
|
+24°C | 14 h | 6 | 73% | 2 — 3 m/s |
| 2024 |
|
|
+26°C | 10 h | 7 | 68% | 3 — 4 m/s |
| 2023 |
|
|
+27°C | 10 h | 6 | 70% | 3 — 4 m/s |
| 2022 |
|
|
+27°C | 15 h | 7 | 41% | 2 — 3 m/s |
| 2021 |
|
|
+25°C | 15 h | 6 | 58% | 2 — 3 m/s |
| 2020 |
|
|
+23°C | 15 h | 6 | 69% | 1 — 2 m/s |