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San Francisco — weather in July, water temperature

17.8°C Daytime temperatures 12.7°C Night temperatures 17 Sunny days 12.9-14.7 Sun (hours) 0 Rainy days 5.2 mm Precipitation 15.5°C water temperature
Air temperature
2022 2021 2020 2019 2018 2017 2016 2015 2014 2013
The maximum daily temperature 28.5°C — 16 July 2017.
The maximum night temperature 18°C — 20 July 2015.
The minimum daily temperature 12.7°C — 17 July 2016.
The minimum night temperature 9.5°C — 8 July 2013.
water temperature
2022 2021 2020 2019 2018 2017 2016 2015 2013 2012
The warmest water 18.1 °C — 6 July 2021. The coldest water 12.7 °C — 3 July 2016.
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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