Weather in Saint-Brieuc on 12 August 2026
Preliminary outlook for 12 August 2026
A preliminary estimate based on the 2020–2025 archive: daytime around +27°C and nighttime around +15°C, average precipitation 0 mm, wind around 3 m/s, humidity around 68%.
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.
+23°C
Weather archive — latest year: 2025
Overcast
Weather archive — latest year: 2025
Nighttime: +16°C
Precipitation: 0 mm
Wind: 4 — 5 m/s
Humidity: 56%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +32°C | Sun hours | 11 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.) | +23°C | Dew point (avg.) | +13°C |
| Heat index (avg.) | +23°C | Wind chill (avg.) | +24°C |
| Wind gusts (max.) | 11 m/s | Wind direction (avg.) | 239° ↙ (WSW) |
Sunrise
07:01
Duration
14 h 30 min
Sunset
21:31
Moonrise
22:43
Moonset
10:27
Moon phase
Waning Gibbous
Illumination
73%
+22°C
Weather archive — for 2024 year
Clear/Sunny
Weather archive — for 2024 year
Nighttime: +14°C
Sea temperature: +18°C
Precipitation: 0 mm
Wind: 4 — 5 m/s
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +26°C | Sun hours | 14 h |
| UV index | 5 | Cloud cover (avg.) | 28% |
| Pressure (avg.) | 757 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | +18°C |
| Feels like (avg.) | +24°C | Dew point (avg.) | +17°C |
| Heat index (avg.) | +24°C | Wind chill (avg.) | +23°C |
| Wind gusts (max.) | 10 m/s | Wind direction (avg.) | 239° ← (WNW) |
Sunrise
07:01
Duration
14 h 29 min
Sunset
21:30
Moonrise
16:00
Moonset
00:02
Moon phase
First Quarter
Illumination
50%
+18°C
Weather archive — for 2023 year
Overcast
Weather archive — for 2023 year
Nighttime: +13°C
Precipitation: 0 mm
Wind: 5 — 7 m/s
Humidity: 76%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +22°C | Sun hours | 8 h |
| UV index | 4 | Cloud cover (avg.) | 54% |
| Pressure (avg.) | 764 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +17°C | Dew point (avg.) | +13°C |
| Heat index (avg.) | +19°C | Wind chill (avg.) | +17°C |
| Wind gusts (max.) | 11 m/s | Wind direction (avg.) | 239° ↙ (WSW) |
Sunrise
07:00
Duration
14 h 32 min
Sunset
21:32
Moonrise
02:29
Moonset
20:00
Moon phase
Waning Crescent
Illumination
20%
+24°C
Weather archive — for 2022 year
Clear/Sunny
Weather archive — for 2022 year
Nighttime: +17°C
Precipitation: 0 mm
Wind: 3 — 4 m/s
Humidity: 52%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +31°C | Sun hours | 14 h |
| UV index | 6 | Cloud cover (avg.) | 0% |
| Pressure (avg.) | 762 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +24°C | Dew point (avg.) | +13°C |
| Heat index (avg.) | +24°C | Wind chill (avg.) | +24°C |
| Wind gusts (max.) | 7 m/s | Wind direction (avg.) | 35° ↗ (NE) |
Sunrise
07:00
Duration
14 h 31 min
Sunset
21:31
Moonrise
22:13
Moonset
06:34
Moon phase
Full Moon
Illumination
100%
+18°C
Weather archive — for 2021 year
Clear/Sunny
Weather archive — for 2021 year
Nighttime: +14°C
Precipitation: 0 mm
Wind: 2 — 4 m/s
Humidity: 73%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +23°C | Sun hours | 13 h |
| UV index | 5 | Cloud cover (avg.) | 32% |
| Pressure (avg.) | 765 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +19°C | Dew point (avg.) | +13°C |
| Heat index (avg.) | +20°C | Wind chill (avg.) | +18°C |
| Wind gusts (max.) | 7 m/s | Wind direction (avg.) | 245° ← (WNW) |
Sunrise
07:01
Duration
14 h 30 min
Sunset
21:31
Moonrise
11:05
Moonset
23:30
Moon phase
Waxing Crescent
Illumination
25%
+21°C
Weather archive — for 2020 year
Partly Cloudy
Weather archive — for 2020 year
Nighttime: +17°C
Precipitation: 0 mm
Wind: 2 — 2 m/s
Humidity: 84%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +25°C | Sun hours | 9 h |
| UV index | 6 | Cloud cover (avg.) | 53% |
| Pressure (avg.) | 759 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 7 km | Sea temperature | — |
| Feels like (avg.) | +22°C | Dew point (avg.) | +18°C |
| Heat index (avg.) | +22°C | Wind chill (avg.) | +22°C |
| Wind gusts (max.) | 5 m/s | Wind direction (avg.) | 227° ↓ (SSW) |
Sunrise
07:01
Duration
14 h 29 min
Sunset
21:30
Moonrise
01:10
Moonset
16:31
Moon phase
Last Quarter
Illumination
38%
Weather in Saint-Brieuc on 12 August in previous years
| Year | Day | Nighttime | Average | Sun | UV | Humidity | Wind |
|---|---|---|---|---|---|---|---|
| 2025 |
+32°C
|
+16°C
|
+23°C | 11 h | 6 | 56% | 4 — 5 m/s |
| 2024 |
+26°C
|
+14°C
|
+22°C | 14 h | 5 | 67% | 4 — 5 m/s |
| 2023 |
+22°C
|
+13°C
|
+18°C | 8 h | 4 | 76% | 5 — 7 m/s |
| 2022 |
+31°C
|
+17°C
|
+24°C | 14 h | 6 | 52% | 3 — 4 m/s |
| 2021 |
+23°C
|
+14°C
|
+18°C | 13 h | 5 | 73% | 2 — 4 m/s |
| 2020 |
+25°C
|
+17°C
|
+21°C | 9 h | 6 | 84% | 2 — 2 m/s |