Weather in Saint-Gilles-Croix-de-Vie on 17 August 2026

Preliminary outlook for 17 August 2026

A preliminary estimate based on the 2020–2025 archive: daytime around +22°C and nighttime around +18°C, average precipitation 1.1 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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+24°C
Weather archive — latest year: 2025
Clear/Sunny
Weather archive — latest year: 2025
Nighttime: +20°C Precipitation: 0 mm Wind: 5 — 6 m/s Humidity: 51%
MetricValue MetricValue
Day temperature (max.) +28°C Sun hours 14 h
UV index 6 Cloud cover (avg.) 1%
Pressure (avg.) 763 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.) +24°C
Wind gusts (max.) 12 m/s Wind direction (avg.) 157° ↘ (SE)
Sunrise
07:08
Duration
14 h 06 min
Sunset
21:14
Moonrise
00:08
Moonset
16:51
Moon phase
Last Quarter
Illumination
37%
+19°C
Weather archive — for 2024 year
Patchy rain nearby
Weather archive — for 2024 year
Nighttime: +18°C Sea temperature: +23°C Precipitation: 4.4 mm Wind: 4 — 6 m/s
MetricValue MetricValue
Day temperature (max.) +21°C Sun hours 5 h
UV index 5 Cloud cover (avg.) 82%
Pressure (avg.) 761 mmHg Snow (total for the day) 0 cm
Visibility (avg.) 9 km Sea temperature +23°C
Feels like (avg.) +19°C Dew point (avg.) +17°C
Heat index (avg.) +19°C Wind chill (avg.) +19°C
Wind gusts (max.) 9 m/s Wind direction (avg.) 262° ← (WNW)
Sunrise
07:09
Duration
14 h 05 min
Sunset
21:14
Moonrise
20:28
Moonset
03:38
Moon phase
Waxing Gibbous
Illumination
86%
+22°C
Weather archive — for 2023 year
Clear/Sunny
Weather archive — for 2023 year
Nighttime: +18°C Precipitation: 0 mm Wind: 3 — 4 m/s Humidity: 74%
MetricValue MetricValue
Day temperature (max.) +25°C Sun hours 14 h
UV index 6 Cloud cover (avg.) 13%
Pressure (avg.) 761 mmHg Snow (total for the day) 0 cm
Visibility (avg.) 10 km Sea temperature
Feels like (avg.) +23°C Dew point (avg.) +17°C
Heat index (avg.) +23°C Wind chill (avg.) +22°C
Wind gusts (max.) 6 m/s Wind direction (avg.) 242° ↙ (SW)
Sunrise
07:08
Duration
14 h 07 min
Sunset
21:15
Moonrise
08:12
Moonset
22:10
Moon phase
Waxing Crescent
Illumination
1%
+19°C
Weather archive — for 2022 year
Cloudy
Weather archive — for 2022 year
Nighttime: +18°C Precipitation: 1 mm Wind: 3 — 4 m/s Humidity: 80%
MetricValue MetricValue
Day temperature (max.) +20°C Sun hours 5 h
UV index 4 Cloud cover (avg.) 66%
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.) +19°C Wind chill (avg.) +19°C
Wind gusts (max.) 7 m/s Wind direction (avg.) 214° ↓ (SSW)
Sunrise
07:08
Duration
14 h 07 min
Sunset
21:15
Moonrise
23:54
Moonset
13:31
Moon phase
Waning Gibbous
Illumination
61%
+17°C
Weather archive — for 2021 year
Partly Cloudy
Weather archive — for 2021 year
Nighttime: +14°C Precipitation: 0 mm Wind: 5 — 6 m/s Humidity: 76%
MetricValue MetricValue
Day temperature (max.) +19°C Sun hours 14 h
UV index 5 Cloud cover (avg.) 26%
Pressure (avg.) 767 mmHg Snow (total for the day) 0 cm
Visibility (avg.) 10 km Sea temperature
Feels like (avg.) +17°C Dew point (avg.) +12°C
Heat index (avg.) +17°C Wind chill (avg.) +17°C
Wind gusts (max.) 9 m/s Wind direction (avg.) 274° ↖ (NW)
Sunrise
07:08
Duration
14 h 06 min
Sunset
21:14
Moonrise
17:12
Moonset
01:05
Moon phase
First Quarter
Illumination
61%
+19°C
Weather archive — for 2020 year
Cloudy
Weather archive — for 2020 year
Nighttime: +17°C Precipitation: 1.4 mm Wind: 5 — 5 m/s Humidity: 83%
MetricValue MetricValue
Day temperature (max.) +21°C Sun hours 11 h
UV index 4 Cloud cover (avg.) 68%
Pressure (avg.) 758 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.) +19°C Wind chill (avg.) +19°C
Wind gusts (max.) 9 m/s Wind direction (avg.) 254° ↙ (WSW)
Sunrise
07:09
Duration
14 h 05 min
Sunset
21:14
Moonrise
04:48
Moonset
20:45
Moon phase
Waning Crescent
Illumination
1%

Weather in Saint-Gilles-Croix-de-Vie on 17 August in previous years

Year Day Nighttime Average Sun UV Humidity Wind
2025 +28°C +20°C +24°C 14 h 6 51% 5 — 6 m/s
2024 +21°C +18°C +19°C 5 h 5 86% 4 — 6 m/s
2023 +25°C +18°C +22°C 14 h 6 74% 3 — 4 m/s
2022 +20°C +18°C +19°C 5 h 4 80% 3 — 4 m/s
2021 +19°C +14°C +17°C 14 h 5 76% 5 — 6 m/s
2020 +21°C +17°C +19°C 11 h 4 83% 5 — 5 m/s