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San Francisco — weather in May, water temperature

15.3°C Daytime temperatures 11.1°C Night temperatures 18 Sunny days 13.8-14.6 Sun (hours) 1 Rainy days 12 mm Precipitation 13.5°C water temperature
Air temperature
2022 2021 2020 2019 2018 2017 2016 2015 2014 2013
The maximum daily temperature 28°C — 14 May 2014.
The maximum night temperature 17°C — 3 May 2013.
The minimum daily temperature 0°C — 17 May 2020.
The minimum night temperature 7.5°C — 11 May 2022.
water temperature
2022 2021 2020 2019 2018 2017 2016 2015 2013 2012 2011
The warmest water 16.5 °C — 26 May 2020. The coldest water 10.9 °C — 26 May 2012.
Sunny, cloudy and gloomy days
Precipitation, mm
Maximum precipitation 61 mm — January. Minimum precipitation 2.9 mm — September.
Wind speed, km / h
Maximum wind speed 16.1 km / h — May. Minimum wind speed 11.2 km / h — November.
Number of hours of sunshine
The maximum number of hours of sunshine per day 11 h. — June. The minimum number of hours of sunshine per day 5.7 h. — December.
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