Weather in Saint-Brieuc on 19 August 2026
Preliminary outlook for 19 August 2026
A preliminary estimate based on the 2020–2025 archive: daytime around +24°C and nighttime around +14°C, average precipitation 1.2 mm, wind around 4 m/s, humidity around 78%.
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.
+20°C
Weather archive — latest year: 2025
Patchy rain nearby
Weather archive — latest year: 2025
Nighttime: +15°C
Precipitation: 0.9 mm
Wind: 3 — 4 m/s
Humidity: 76%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +28°C | Sun hours | 9 h |
| UV index | 5 | Cloud cover (avg.) | 59% |
| Pressure (avg.) | 758 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +20°C | Dew point (avg.) | +15°C |
| Heat index (avg.) | +21°C | Wind chill (avg.) | +20°C |
| Wind gusts (max.) | 7 m/s | Wind direction (avg.) | 89° → (E) |
Sunrise
07:10
Duration
14 h 08 min
Sunset
21:18
Moonrise
01:38
Moonset
19:23
Moon phase
Waning Crescent
Illumination
22%
+18°C
Weather archive — for 2024 year
Clear/Sunny
Weather archive — for 2024 year
Nighttime: +12°C
Sea temperature: +18°C
Precipitation: 0 mm
Wind: 3 — 5 m/s
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +25°C | Sun hours | 14 h |
| UV index | 5 | Cloud cover (avg.) | 23% |
| Pressure (avg.) | 764 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 6 km | Sea temperature | +18°C |
| Feels like (avg.) | +18°C | Dew point (avg.) | +11°C |
| Heat index (avg.) | +19°C | Wind chill (avg.) | +17°C |
| Wind gusts (max.) | 9 m/s | Wind direction (avg.) | 235° ↓ (SSW) |
Sunrise
07:11
Duration
14 h 07 min
Sunset
21:18
Moonrise
21:30
Moonset
06:07
Moon phase
Full Moon
Illumination
100%
+20°C
Weather archive — for 2023 year
Clear/Sunny
Weather archive — for 2023 year
Nighttime: +16°C
Precipitation: 0 mm
Wind: 5 — 8 m/s
Humidity: 69%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +25°C | Sun hours | 13 h |
| UV index | 4 | Cloud cover (avg.) | 39% |
| Pressure (avg.) | 761 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +21°C | Dew point (avg.) | +14°C |
| Heat index (avg.) | +21°C | Wind chill (avg.) | +20°C |
| Wind gusts (max.) | 13 m/s | Wind direction (avg.) | 235° ↙ (SW) |
Sunrise
07:10
Duration
14 h 09 min
Sunset
21:19
Moonrise
10:27
Moonset
22:42
Moon phase
Waxing Crescent
Illumination
16%
+19°C
Weather archive — for 2022 year
Patchy rain nearby
Weather archive — for 2022 year
Nighttime: +14°C
Precipitation: 0.4 mm
Wind: 5 — 6 m/s
Humidity: 78%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +22°C | Sun hours | 10 h |
| UV index | 5 | Cloud cover (avg.) | 69% |
| Pressure (avg.) | 764 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +19°C | Dew point (avg.) | +16°C |
| Heat index (avg.) | +20°C | Wind chill (avg.) | +19°C |
| Wind gusts (max.) | 9 m/s | Wind direction (avg.) | 270° ← (W) |
Sunrise
07:10
Duration
14 h 09 min
Sunset
21:19
Moonrise
00:16
Moonset
16:11
Moon phase
Last Quarter
Illumination
47%
+16°C
Weather archive — for 2021 year
Patchy rain nearby
Weather archive — for 2021 year
Nighttime: +12°C
Precipitation: 0.2 mm
Wind: 3 — 4 m/s
Humidity: 78%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +21°C | Sun hours | 7 h |
| UV index | 5 | Cloud cover (avg.) | 62% |
| Pressure (avg.) | 764 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 8 km | Sea temperature | — |
| Feels like (avg.) | +16°C | Dew point (avg.) | +13°C |
| Heat index (avg.) | +16°C | Wind chill (avg.) | +16°C |
| Wind gusts (max.) | 6 m/s | Wind direction (avg.) | 228° ↖ (NNW) |
Sunrise
07:10
Duration
14 h 08 min
Sunset
21:18
Moonrise
19:43
Moonset
02:34
Moon phase
Waxing Gibbous
Illumination
76%
+19°C
Weather archive — for 2020 year
Overcast
Weather archive — for 2020 year
Nighttime: +17°C
Precipitation: 5.6 mm
Wind: 6 — 8 m/s
Humidity: 93%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +21°C | Sun hours | 1 h |
| UV index | 5 | Cloud cover (avg.) | 84% |
| Pressure (avg.) | 754 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 8 km | Sea temperature | — |
| Feels like (avg.) | +19°C | Dew point (avg.) | +17°C |
| Heat index (avg.) | +19°C | Wind chill (avg.) | +19°C |
| Wind gusts (max.) | 17 m/s | Wind direction (avg.) | 182° ↓ (S) |
Sunrise
07:11
Duration
14 h 07 min
Sunset
21:18
Moonrise
07:03
Moonset
21:56
Moon phase
New Moon
Illumination
0%
Weather in Saint-Brieuc on 19 August in previous years
| Year | Day | Nighttime | Average | Sun | UV | Humidity | Wind |
|---|---|---|---|---|---|---|---|
| 2025 |
+28°C
|
+15°C
|
+20°C | 9 h | 5 | 76% | 3 — 4 m/s |
| 2024 |
+25°C
|
+12°C
|
+18°C | 14 h | 5 | 71% | 3 — 5 m/s |
| 2023 |
+25°C
|
+16°C
|
+20°C | 13 h | 4 | 69% | 5 — 8 m/s |
| 2022 |
+22°C
|
+14°C
|
+19°C | 10 h | 5 | 78% | 5 — 6 m/s |
| 2021 |
+21°C
|
+12°C
|
+16°C | 7 h | 5 | 78% | 3 — 4 m/s |
| 2020 |
+21°C
|
+17°C
|
+19°C | 1 h | 5 | 93% | 6 — 8 m/s |