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Rennes — weather in May, water temperature

17.1°C Daytime temperatures 9°C Night temperatures 9 Sunny days 14.5-15.8 Sun (hours) 4 Rainy days 48.7 mm Precipitation 12.8°C water temperature
Air temperature
2022 2021 2020 2019 2018 2017 2016 2015 2014 2013
The maximum daily temperature 26.5°C — 17 May 2022.
The maximum night temperature 17.5°C — 27 May 2017.
The minimum daily temperature 9°C — 4 May 2021.
The minimum night temperature 0.5°C — 17 May 2013.
water temperature
2022 2021 2020 2019 2018 2017 2016 2015 2013 2012 2011
The warmest water 15.5 °C — 31 May 2020. The coldest water 10 °C — 2 May 2013.
Sunny, cloudy and gloomy days
Precipitation, mm
Maximum precipitation 71.6 mm — June. Minimum precipitation 24.4 mm — September.
Wind speed, km / h
Maximum wind speed 17.9 km / h — February. Minimum wind speed 12.8 km / h — August.
Number of hours of sunshine
The maximum number of hours of sunshine per day 9.4 h. — July. The minimum number of hours of sunshine per day 3.5 h. — January.
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