Weather in Portoroz on 12 August 2026
Preliminary outlook for 12 August 2026
A preliminary estimate based on the 2020–2025 archive: daytime around +32°C and nighttime around +22°C, average precipitation 0 mm, wind around 3 m/s, humidity around 55%.
This is a climate-based estimate, not a precise long-range forecast. It is replaced by hourly data when the date enters the forecast window.
+27°C
Weather archive — latest year: 2025
Clear/Sunny
Weather archive — latest year: 2025
Nighttime: +21°C
Precipitation: 0 mm
Wind: 3 — 3 m/s
Humidity: 51%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +35°C | Sun hours | 14 h |
| UV index | 7 | Cloud cover (avg.) | 1% |
| Pressure (avg.) | 763 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +28°C | Dew point (avg.) | +15°C |
| Heat index (avg.) | +28°C | Wind chill (avg.) | +27°C |
| Wind gusts (max.) | 7 m/s | Wind direction (avg.) | 68° ↗ (NE) |
Sunrise
06:03
Duration
14 h 15 min
Sunset
20:18
Moonrise
21:38
Moonset
09:18
Moon phase
Waning Gibbous
Illumination
73%
+29°C
Weather archive — for 2024 year
Clear/Sunny
Weather archive — for 2024 year
Nighttime: +24°C
Sea temperature: +27°C
Precipitation: 0 mm
Wind: 2 — 3 m/s
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +35°C | Sun hours | 14 h |
| UV index | 7 | Cloud cover (avg.) | 4% |
| Pressure (avg.) | 760 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | +27°C |
| Feels like (avg.) | +31°C | Dew point (avg.) | +18°C |
| Heat index (avg.) | +31°C | Wind chill (avg.) | +29°C |
| Wind gusts (max.) | 5 m/s | Wind direction (avg.) | 181° ← (W) |
Sunrise
06:03
Duration
14 h 14 min
Sunset
20:17
Moonrise
14:39
Moonset
23:30
Moon phase
First Quarter
Illumination
50%
+23°C
Weather archive — for 2023 year
Clear/Sunny
Weather archive — for 2023 year
Nighttime: +18°C
Precipitation: 0 mm
Wind: 2 — 3 m/s
Humidity: 69%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +29°C | Sun hours | 13 h |
| UV index | 6 | Cloud cover (avg.) | 10% |
| Pressure (avg.) | 766 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +24°C | Dew point (avg.) | +17°C |
| Heat index (avg.) | +24°C | Wind chill (avg.) | +23°C |
| Wind gusts (max.) | 4 m/s | Wind direction (avg.) | 194° ← (WNW) |
Sunrise
06:02
Duration
14 h 17 min
Sunset
20:19
Moonrise
01:38
Moonset
18:36
Moon phase
Waning Crescent
Illumination
20%
+24°C
Weather archive — for 2022 year
Patchy rain nearby
Weather archive — for 2022 year
Nighttime: +21°C
Precipitation: 0.2 mm
Wind: 3 — 4 m/s
Humidity: 42%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +28°C | Sun hours | 12 h |
| UV index | 6 | Cloud cover (avg.) | 61% |
| Pressure (avg.) | 761 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +24°C | Dew point (avg.) | +11°C |
| Heat index (avg.) | +25°C | Wind chill (avg.) | +24°C |
| Wind gusts (max.) | 10 m/s | Wind direction (avg.) | 70° ↗ (ENE) |
Sunrise
06:02
Duration
14 h 16 min
Sunset
20:18
Moonrise
20:58
Moonset
05:36
Moon phase
Full Moon
Illumination
100%
+28°C
Weather archive — for 2021 year
Clear/Sunny
Weather archive — for 2021 year
Nighttime: +23°C
Precipitation: 0 mm
Wind: 3 — 3 m/s
Humidity: 53%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +33°C | Sun hours | 14 h |
| UV index | 7 | Cloud cover (avg.) | 3% |
| Pressure (avg.) | 764 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +29°C | Dew point (avg.) | +16°C |
| Heat index (avg.) | +29°C | Wind chill (avg.) | +28°C |
| Wind gusts (max.) | 8 m/s | Wind direction (avg.) | 64° ↗ (NE) |
Sunrise
06:03
Duration
14 h 15 min
Sunset
20:18
Moonrise
09:57
Moonset
22:24
Moon phase
Waxing Crescent
Illumination
25%
+27°C
Weather archive — for 2020 year
Partly Cloudy
Weather archive — for 2020 year
Nighttime: +23°C
Precipitation: 0 mm
Wind: 2 — 3 m/s
Humidity: 60%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +31°C | Sun hours | 13 h |
| UV index | 7 | Cloud cover (avg.) | 43% |
| Pressure (avg.) | 762 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +28°C | Dew point (avg.) | +18°C |
| Heat index (avg.) | +28°C | Wind chill (avg.) | +27°C |
| Wind gusts (max.) | 6 m/s | Wind direction (avg.) | 135° ↙ (WSW) |
Sunrise
06:03
Duration
14 h 14 min
Sunset
20:17
Moonrise
00:12
Moonset
15:12
Moon phase
Last Quarter
Illumination
38%
Weather in Portoroz on 12 August in previous years
| Year | Day | Nighttime | Average | Sun | UV | Humidity | Wind |
|---|---|---|---|---|---|---|---|
| 2025 |
+35°C
|
+21°C
|
+27°C | 14 h | 7 | 51% | 3 — 3 m/s |
| 2024 |
+35°C
|
+24°C
|
+29°C | 14 h | 7 | 54% | 2 — 3 m/s |
| 2023 |
+29°C
|
+18°C
|
+23°C | 13 h | 6 | 69% | 2 — 3 m/s |
| 2022 |
+28°C
|
+21°C
|
+24°C | 12 h | 6 | 42% | 3 — 4 m/s |
| 2021 |
+33°C
|
+23°C
|
+28°C | 14 h | 7 | 53% | 3 — 3 m/s |
| 2020 |
+31°C
|
+23°C
|
+27°C | 13 h | 7 | 60% | 2 — 3 m/s |