Weather in Calais on 12 August 2026
Preliminary outlook for 12 August 2026
A preliminary estimate based on the 2020–2025 archive: daytime around +25°C and nighttime around +18°C, average precipitation 0.1 mm, wind around 4 m/s, humidity around 73%.
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.
+21°C
Weather archive — latest year: 2025
Clear/Sunny
Weather archive — latest year: 2025
Nighttime: +19°C
Precipitation: 0 mm
Wind: 4 — 5 m/s
Humidity: 63%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +26°C | Sun hours | 15 h |
| UV index | 6 | Cloud cover (avg.) | 9% |
| Pressure (avg.) | 761 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +22°C | Dew point (avg.) | +14°C |
| Heat index (avg.) | +23°C | Wind chill (avg.) | +22°C |
| Wind gusts (max.) | 10 m/s | Wind direction (avg.) | 129° → (E) |
Sunrise
06:35
Duration
14 h 44 min
Sunset
21:19
Moonrise
22:23
Moonset
10:07
Moon phase
Waning Gibbous
Illumination
73%
+22°C
Weather archive — for 2024 year
Clear/Sunny
Weather archive — for 2024 year
Nighttime: +18°C
Sea temperature: +17°C
Precipitation: 0 mm
Wind: 5 — 5 m/s
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +28°C | Sun hours | 15 h |
| UV index | 6 | Cloud cover (avg.) | 15% |
| Pressure (avg.) | 758 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | +17°C |
| Feels like (avg.) | +23°C | Dew point (avg.) | +18°C |
| Heat index (avg.) | +23°C | Wind chill (avg.) | +22°C |
| Wind gusts (max.) | 11 m/s | Wind direction (avg.) | 147° ↘ (SSE) |
Sunrise
06:36
Duration
14 h 43 min
Sunset
21:19
Moonrise
15:53
Moonset
23:53
Moon phase
First Quarter
Illumination
50%
+18°C
Weather archive — for 2023 year
Clear/Sunny
Weather archive — for 2023 year
Nighttime: +17°C
Precipitation: 0.7 mm
Wind: 6 — 9 m/s
Humidity: 83%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +19°C | Sun hours | 14 h |
| UV index | 4 | Cloud cover (avg.) | 56% |
| Pressure (avg.) | 763 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +18°C | Dew point (avg.) | +16°C |
| Heat index (avg.) | +18°C | Wind chill (avg.) | +18°C |
| Wind gusts (max.) | 15 m/s | Wind direction (avg.) | 227° ↙ (WSW) |
Sunrise
06:34
Duration
14 h 46 min
Sunset
21:20
Moonrise
01:53
Moonset
19:57
Moon phase
Waning Crescent
Illumination
20%
+23°C
Weather archive — for 2022 year
Clear/Sunny
Weather archive — for 2022 year
Nighttime: +19°C
Precipitation: 0 mm
Wind: 5 — 6 m/s
Humidity: 64%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +28°C | Sun hours | 15 h |
| UV index | 6 | Cloud cover (avg.) | 1% |
| Pressure (avg.) | 764 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +24°C | Dew point (avg.) | +15°C |
| Heat index (avg.) | +25°C | Wind chill (avg.) | +23°C |
| Wind gusts (max.) | 8 m/s | Wind direction (avg.) | 50° ↑ (NNE) |
Sunrise
06:35
Duration
14 h 44 min
Sunset
21:19
Moonrise
22:02
Moonset
06:04
Moon phase
Full Moon
Illumination
100%
+18°C
Weather archive — for 2021 year
Clear/Sunny
Weather archive — for 2021 year
Nighttime: +16°C
Precipitation: 0 mm
Wind: 3 — 6 m/s
Humidity: 72%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +20°C | Sun hours | 15 h |
| UV index | 5 | Cloud cover (avg.) | 13% |
| Pressure (avg.) | 764 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +18°C | Dew point (avg.) | +12°C |
| Heat index (avg.) | +18°C | Wind chill (avg.) | +18°C |
| Wind gusts (max.) | 9 m/s | Wind direction (avg.) | 233° ↙ (WSW) |
Sunrise
06:35
Duration
14 h 44 min
Sunset
21:19
Moonrise
10:45
Moonset
23:11
Moon phase
Waxing Crescent
Illumination
25%
+24°C
Weather archive — for 2020 year
Partly Cloudy
Weather archive — for 2020 year
Nighttime: +21°C
Precipitation: 0 mm
Wind: 3 — 4 m/s
Humidity: 77%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +27°C | Sun hours | 15 h |
| UV index | 6 | Cloud cover (avg.) | 25% |
| Pressure (avg.) | 760 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +26°C | Dew point (avg.) | +19°C |
| Heat index (avg.) | +26°C | Wind chill (avg.) | +24°C |
| Wind gusts (max.) | 7 m/s | Wind direction (avg.) | 113° ↗ (NE) |
Sunrise
06:36
Duration
14 h 43 min
Sunset
21:19
Moonrise
00:44
Moonset
16:21
Moon phase
Last Quarter
Illumination
38%
Weather in Calais on 12 August in previous years
| Year | Day | Nighttime | Average | Sun | UV | Humidity | Wind |
|---|---|---|---|---|---|---|---|
| 2025 |
+26°C
|
+19°C
|
+21°C | 15 h | 6 | 63% | 4 — 5 m/s |
| 2024 |
+28°C
|
+18°C
|
+22°C | 15 h | 6 | 77% | 5 — 5 m/s |
| 2023 |
+19°C
|
+17°C
|
+18°C | 14 h | 4 | 83% | 6 — 9 m/s |
| 2022 |
+28°C
|
+19°C
|
+23°C | 15 h | 6 | 64% | 5 — 6 m/s |
| 2021 |
+20°C
|
+16°C
|
+18°C | 15 h | 5 | 72% | 3 — 6 m/s |
| 2020 |
+27°C
|
+21°C
|
+24°C | 15 h | 6 | 77% | 3 — 4 m/s |