Weather in Saint-Gilles-Croix-de-Vie on 20 August 2026

Preliminary outlook for 20 August 2026

A preliminary estimate based on the 2020–2025 archive: daytime around +23°C and nighttime around +18°C, average precipitation 0.1 mm, wind around 4 m/s, humidity around 76%.

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.

← 19 August
Nearby days
21 August →
+19°C
Weather archive — latest year: 2025
Thundery outbreaks in nearby
Weather archive — latest year: 2025
Nighttime: +18°C Precipitation: 0.3 mm Wind: 5 — 6 m/s Humidity: 84%
MetricValue MetricValue
Day temperature (max.) +21°C Sun hours 10 h
UV index 5 Cloud cover (avg.) 52%
Pressure (avg.) 759 mmHg Snow (total for the day) 0 cm
Visibility (avg.) 10 km Sea temperature
Feels like (avg.) +20°C Dew point (avg.) +17°C
Heat index (avg.) +20°C Wind chill (avg.) +20°C
Wind gusts (max.) 9 m/s Wind direction (avg.) 277° ← (W)
Sunrise
07:12
Duration
13 h 57 min
Sunset
21:09
Moonrise
02:58
Moonset
19:56
Moon phase
Waning Crescent
Illumination
15%
+19°C
Weather archive — for 2024 year
Overcast
Weather archive — for 2024 year
Nighttime: +17°C Sea temperature: +24°C Precipitation: 0 mm Wind: 5 — 8 m/s
MetricValue MetricValue
Day temperature (max.) +21°C Sun hours 6 h
UV index 5 Cloud cover (avg.) 44%
Pressure (avg.) 762 mmHg Snow (total for the day) 0 cm
Visibility (avg.) 8 km Sea temperature +24°C
Feels like (avg.) +19°C Dew point (avg.) +16°C
Heat index (avg.) +19°C Wind chill (avg.) +19°C
Wind gusts (max.) 12 m/s Wind direction (avg.) 269° ↙ (SW)
Sunrise
07:12
Duration
13 h 57 min
Sunset
21:09
Moonrise
21:42
Moonset
07:29
Moon phase
Full Moon
Illumination
100%
+21°C
Weather archive — for 2023 year
Partly Cloudy
Weather archive — for 2023 year
Nighttime: +18°C Precipitation: 0.1 mm Wind: 5 — 6 m/s Humidity: 63%
MetricValue MetricValue
Day temperature (max.) +26°C Sun hours 14 h
UV index 5 Cloud cover (avg.) 52%
Pressure (avg.) 766 mmHg Snow (total for the day) 0 cm
Visibility (avg.) 10 km Sea temperature
Feels like (avg.) +23°C Dew point (avg.) +15°C
Heat index (avg.) +23°C Wind chill (avg.) +22°C
Wind gusts (max.) 10 m/s Wind direction (avg.) 255° ↖ (NNW)
Sunrise
07:12
Duration
13 h 58 min
Sunset
21:10
Moonrise
11:28
Moonset
22:54
Moon phase
Waxing Crescent
Illumination
23%
+19°C
Weather archive — for 2022 year
Cloudy
Weather archive — for 2022 year
Nighttime: +17°C Precipitation: 0 mm Wind: 3 — 4 m/s Humidity: 76%
MetricValue MetricValue
Day temperature (max.) +21°C Sun hours 11 h
UV index 4 Cloud cover (avg.) 54%
Pressure (avg.) 766 mmHg Snow (total for the day) 0 cm
Visibility (avg.) 8 km Sea temperature
Feels like (avg.) +20°C Dew point (avg.) +15°C
Heat index (avg.) +20°C Wind chill (avg.) +20°C
Wind gusts (max.) 8 m/s Wind direction (avg.) 265° ↘ (SSE)
Sunrise
07:12
Duration
13 h 58 min
Sunset
21:10
Moonrise
00:49
Moonset
17:10
Moon phase
Last Quarter
Illumination
39%
+19°C
Weather archive — for 2021 year
Partly Cloudy
Weather archive — for 2021 year
Nighttime: +16°C Precipitation: 0 mm Wind: 4 — 4 m/s Humidity: 75%
MetricValue MetricValue
Day temperature (max.) +23°C Sun hours 14 h
UV index 5 Cloud cover (avg.) 19%
Pressure (avg.) 762 mmHg Snow (total for the day) 0 cm
Visibility (avg.) 10 km Sea temperature
Feels like (avg.) +19°C Dew point (avg.) +14°C
Heat index (avg.) +19°C Wind chill (avg.) +19°C
Wind gusts (max.) 6 m/s Wind direction (avg.) 161° ↓ (S)
Sunrise
07:12
Duration
13 h 57 min
Sunset
21:09
Moonrise
20:23
Moonset
03:48
Moon phase
Waxing Gibbous
Illumination
83%
+21°C
Weather archive — for 2020 year
Partly Cloudy
Weather archive — for 2020 year
Nighttime: +19°C Precipitation: 0 mm Wind: 3 — 4 m/s Humidity: 78%
MetricValue MetricValue
Day temperature (max.) +23°C Sun hours 14 h
UV index 6 Cloud cover (avg.) 54%
Pressure (avg.) 754 mmHg Snow (total for the day) 0 cm
Visibility (avg.) 10 km Sea temperature
Feels like (avg.) +22°C Dew point (avg.) +18°C
Heat index (avg.) +23°C Wind chill (avg.) +21°C
Wind gusts (max.) 8 m/s Wind direction (avg.) 212° ↓ (SSW)
Sunrise
07:12
Duration
13 h 57 min
Sunset
21:09
Moonrise
08:17
Moonset
22:14
Moon phase
Waxing Crescent
Illumination
6%

Weather in Saint-Gilles-Croix-de-Vie on 20 August in previous years

Year Day Nighttime Average Sun UV Humidity Wind
2025 +21°C +18°C +19°C 10 h 5 84% 5 — 6 m/s
2024 +21°C +17°C +19°C 6 h 5 82% 5 — 8 m/s
2023 +26°C +18°C +21°C 14 h 5 63% 5 — 6 m/s
2022 +21°C +17°C +19°C 11 h 4 76% 3 — 4 m/s
2021 +23°C +16°C +19°C 14 h 5 75% 4 — 4 m/s
2020 +23°C +19°C +21°C 14 h 6 78% 3 — 4 m/s