France / Concarneau / 15 August

Weather in Concarneau on 15 August 2026

Preliminary outlook for 15 August 2026

A preliminary estimate based on the 2020–2025 archive: daytime around +23°C and nighttime around +15°C, average precipitation 0.1 mm, wind around 4 m/s, humidity around 75%.

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.

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Nearby days
16 August →
+25°C
Weather archive — latest year: 2025
Clear/Sunny
Weather archive — latest year: 2025
Nighttime: +16°C Precipitation: 0 mm Wind: 5 — 7 m/s Humidity: 54%
MetricValue MetricValue
Day temperature (max.) +36°C Sun hours 14 h
UV index 7 Cloud cover (avg.) 5%
Pressure (avg.) 764 mmHg Snow (total for the day) 0 cm
Visibility (avg.) 10 km Sea temperature
Feels like (avg.) +25°C Dew point (avg.) +13°C
Heat index (avg.) +25°C Wind chill (avg.) +25°C
Wind gusts (max.) 9 m/s Wind direction (avg.) 82° → (E)
Sunrise
07:11
Duration
14 h 17 min
Sunset
21:28
Moonrise
23:42
Moonset
14:21
Moon phase
Last Quarter
Illumination
51%
+17°C
Weather archive — for 2024 year
Clear/Sunny
Weather archive — for 2024 year
Nighttime: +13°C Sea temperature: +18°C Precipitation: 0 mm Wind: 4 — 6 m/s
MetricValue MetricValue
Day temperature (max.) +22°C Sun hours 8 h
UV index 5 Cloud cover (avg.) 26%
Pressure (avg.) 765 mmHg Snow (total for the day) 0 cm
Visibility (avg.) 10 km Sea temperature +18°C
Feels like (avg.) +17°C Dew point (avg.) +13°C
Heat index (avg.) +17°C Wind chill (avg.) +17°C
Wind gusts (max.) 9 m/s Wind direction (avg.) 254° ↙ (WSW)
Sunrise
07:11
Duration
14 h 17 min
Sunset
21:28
Moonrise
19:16
Moonset
01:42
Moon phase
Waxing Gibbous
Illumination
71%
+16°C
Weather archive — for 2023 year
Patchy rain nearby
Weather archive — for 2023 year
Nighttime: +13°C Precipitation: 0.2 mm Wind: 3 — 5 m/s Humidity: 79%
MetricValue MetricValue
Day temperature (max.) +20°C Sun hours 9 h
UV index 5 Cloud cover (avg.) 41%
Pressure (avg.) 763 mmHg Snow (total for the day) 0 cm
Visibility (avg.) 6 km Sea temperature
Feels like (avg.) +17°C Dew point (avg.) +13°C
Heat index (avg.) +17°C Wind chill (avg.) +17°C
Wind gusts (max.) 6 m/s Wind direction (avg.) 324° ↖ (NW)
Sunrise
07:10
Duration
14 h 19 min
Sunset
21:29
Moonrise
05:57
Moonset
21:44
Moon phase
New Moon
Illumination
0%
+19°C
Weather archive — for 2022 year
Cloudy
Weather archive — for 2022 year
Nighttime: +16°C Precipitation: 0 mm Wind: 4 — 5 m/s Humidity: 80%
MetricValue MetricValue
Day temperature (max.) +22°C Sun hours 11 h
UV index 4 Cloud cover (avg.) 72%
Pressure (avg.) 754 mmHg Snow (total for the day) 0 cm
Visibility (avg.) 5 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.) 7 m/s Wind direction (avg.) 254° ← (W)
Sunrise
07:11
Duration
14 h 18 min
Sunset
21:29
Moonrise
23:20
Moonset
11:02
Moon phase
Waning Gibbous
Illumination
76%
+17°C
Weather archive — for 2021 year
Cloudy
Weather archive — for 2021 year
Nighttime: +15°C Precipitation: 0.2 mm Wind: 5 — 8 m/s Humidity: 80%
MetricValue MetricValue
Day temperature (max.) +19°C Sun hours 9 h
UV index 5 Cloud cover (avg.) 55%
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.) +14°C
Heat index (avg.) +17°C Wind chill (avg.) +17°C
Wind gusts (max.) 13 m/s Wind direction (avg.) 232° ← (W)
Sunrise
07:11
Duration
14 h 17 min
Sunset
21:28
Moonrise
14:48
Moonset
00:14
Moon phase
First Quarter
Illumination
47%
+18°C
Weather archive — for 2020 year
Patchy rain nearby
Weather archive — for 2020 year
Nighttime: +15°C Precipitation: 0.2 mm Wind: 2 — 3 m/s Humidity: 79%
MetricValue MetricValue
Day temperature (max.) +21°C Sun hours 12 h
UV index 5 Cloud cover (avg.) 48%
Pressure (avg.) 761 mmHg Snow (total for the day) 0 cm
Visibility (avg.) 8 km Sea temperature
Feels like (avg.) +19°C Dew point (avg.) +15°C
Heat index (avg.) +19°C Wind chill (avg.) +19°C
Wind gusts (max.) 6 m/s Wind direction (avg.) 221° ↓ (S)
Sunrise
07:11
Duration
14 h 17 min
Sunset
21:28
Moonrise
03:01
Moonset
19:30
Moon phase
Waning Crescent
Illumination
16%

Weather in Concarneau on 15 August in previous years

Year Day Nighttime Average Sun UV Humidity Wind
2025 +36°C +16°C +25°C 14 h 7 54% 5 — 7 m/s
2024 +22°C +13°C +17°C 8 h 5 80% 4 — 6 m/s
2023 +20°C +13°C +16°C 9 h 5 79% 3 — 5 m/s
2022 +22°C +16°C +19°C 11 h 4 80% 4 — 5 m/s
2021 +19°C +15°C +17°C 9 h 5 80% 5 — 8 m/s
2020 +21°C +15°C +18°C 12 h 5 79% 2 — 3 m/s