France / Carnac / 17 August

Weather in Carnac on 17 August 2026

Preliminary outlook for 17 August 2026

A preliminary estimate based on the 2020–2025 archive: daytime around +23°C and nighttime around +16°C, average precipitation 0.3 mm, wind around 4 m/s, humidity around 74%.

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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+23°C
Weather archive — latest year: 2025
Clear/Sunny
Weather archive — latest year: 2025
Nighttime: +18°C Precipitation: 0 mm Wind: 4 — 6 m/s Humidity: 52%
MetricValue MetricValue
Day temperature (max.) +29°C Sun hours 14 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.) +13°C
Heat index (avg.) +24°C Wind chill (avg.) +24°C
Wind gusts (max.) 13 m/s Wind direction (avg.) 98° ↘ (SE)
Sunrise
07:11
Duration
14 h 10 min
Sunset
21:21
Moonrise
00:09
Moonset
17:01
Moon phase
Last Quarter
Illumination
37%
+19°C
Weather archive — for 2024 year
Clear/Sunny
Weather archive — for 2024 year
Nighttime: +15°C Sea temperature: +19°C Precipitation: 0.4 mm Wind: 4 — 7 m/s
MetricValue MetricValue
Day temperature (max.) +23°C Sun hours 13 h
UV index 4 Cloud cover (avg.) 52%
Pressure (avg.) 761 mmHg Snow (total for the day) 0 cm
Visibility (avg.) 8 km Sea temperature +19°C
Feels like (avg.) +19°C Dew point (avg.) +15°C
Heat index (avg.) +19°C Wind chill (avg.) +19°C
Wind gusts (max.) 10 m/s Wind direction (avg.) 216° ↖ (NNW)
Sunrise
07:11
Duration
14 h 09 min
Sunset
21:20
Moonrise
20:37
Moonset
03:38
Moon phase
Waxing Gibbous
Illumination
86%
+21°C
Weather archive — for 2023 year
Clear/Sunny
Weather archive — for 2023 year
Nighttime: +18°C Precipitation: 0 mm Wind: 4 — 4 m/s Humidity: 72%
MetricValue MetricValue
Day temperature (max.) +25°C Sun hours 13 h
UV index 5 Cloud cover (avg.) 35%
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.) +16°C
Heat index (avg.) +22°C Wind chill (avg.) +21°C
Wind gusts (max.) 8 m/s Wind direction (avg.) 127° ↓ (S)
Sunrise
07:10
Duration
14 h 12 min
Sunset
21:22
Moonrise
08:15
Moonset
22:16
Moon phase
Waxing Crescent
Illumination
1%
+19°C
Weather archive — for 2022 year
Patchy rain nearby
Weather archive — for 2022 year
Nighttime: +16°C Precipitation: 1.2 mm Wind: 3 — 4 m/s Humidity: 82%
MetricValue MetricValue
Day temperature (max.) +22°C Sun hours 8 h
UV index 4 Cloud cover (avg.) 85%
Pressure (avg.) 757 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.) 7 m/s Wind direction (avg.) 74° ↗ (ENE)
Sunrise
07:11
Duration
14 h 10 min
Sunset
21:21
Moonrise
23:57
Moonset
13:37
Moon phase
Waning Gibbous
Illumination
61%
+16°C
Weather archive — for 2021 year
Partly Cloudy
Weather archive — for 2021 year
Nighttime: +13°C Precipitation: 0 mm Wind: 4 — 4 m/s Humidity: 75%
MetricValue MetricValue
Day temperature (max.) +20°C Sun hours 14 h
UV index 5 Cloud cover (avg.) 30%
Pressure (avg.) 768 mmHg Snow (total for the day) 0 cm
Visibility (avg.) 10 km Sea temperature
Feels like (avg.) +16°C Dew point (avg.) +12°C
Heat index (avg.) +17°C Wind chill (avg.) +16°C
Wind gusts (max.) 8 m/s Wind direction (avg.) 311° ← (WNW)
Sunrise
07:11
Duration
14 h 10 min
Sunset
21:21
Moonrise
17:20
Moonset
01:06
Moon phase
First Quarter
Illumination
61%
+18°C
Weather archive — for 2020 year
Patchy rain nearby
Weather archive — for 2020 year
Nighttime: +15°C Precipitation: 0.1 mm Wind: 4 — 5 m/s Humidity: 84%
MetricValue MetricValue
Day temperature (max.) +20°C Sun hours 1 h
UV index 4 Cloud cover (avg.) 86%
Pressure (avg.) 758 mmHg Snow (total for the day) 0 cm
Visibility (avg.) 10 km Sea temperature
Feels like (avg.) +18°C Dew point (avg.) +15°C
Heat index (avg.) +18°C Wind chill (avg.) +18°C
Wind gusts (max.) 10 m/s Wind direction (avg.) 250° ↙ (SW)
Sunrise
07:11
Duration
14 h 09 min
Sunset
21:20
Moonrise
04:49
Moonset
20:53
Moon phase
Waning Crescent
Illumination
1%

Weather in Carnac on 17 August in previous years

Year Day Nighttime Average Sun UV Humidity Wind
2025 +29°C +18°C +23°C 14 h 6 52% 4 — 6 m/s
2024 +23°C +15°C +19°C 13 h 4 78% 4 — 7 m/s
2023 +25°C +18°C +21°C 13 h 5 72% 4 — 4 m/s
2022 +22°C +16°C +19°C 8 h 4 82% 3 — 4 m/s
2021 +20°C +13°C +16°C 14 h 5 75% 4 — 4 m/s
2020 +20°C +15°C +18°C 1 h 4 84% 4 — 5 m/s