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Saint Malo — weather in August, water temperature

20.7°C Daytime temperatures 15.5°C Night temperatures 12 Sunny days 13.5-15.1 Sun (hours) 4 Rainy days 53 mm Precipitation 18.8°C water temperature
Air temperature
2022 2021 2020 2019 2018 2017 2016 2015 2014 2013
The maximum daily temperature 32.5°C — 13 August 2022.
The maximum night temperature 21°C — 12 August 2020.
The minimum daily temperature 15°C — 29 August 2020.
The minimum night temperature 10°C — 21 August 2014.
water temperature
2022 2021 2020 2019 2018 2017 2016 2015 2013 2012
The warmest water 21.2 °C — 12 August 2022. The coldest water 17.3 °C — 1 August 2015.
Sunny, cloudy and gloomy days
Precipitation, mm
Maximum precipitation 90.6 mm — December. Minimum precipitation 44.7 mm — April.
Wind speed, km / h
Maximum wind speed 24.9 km / h — December. Minimum wind speed 16.3 km / h — August.
Number of hours of sunshine
The maximum number of hours of sunshine per day 9.9 h. — July. The minimum number of hours of sunshine per day 3.5 h. — January.
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