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Boston — weather in July, water temperature

27.8°C Daytime temperatures 20.1°C Night temperatures 16 Sunny days 14.5-15.3 Sun (hours) 4 Rainy days 78.2 mm Precipitation 19.3°C water temperature
Air temperature
2022 2021 2020 2019 2018 2017 2016 2015 2014 2013
The maximum daily temperature 38.5°C — 24 July 2022.
The maximum night temperature 27.5°C — 21 July 2019.
The minimum daily temperature 14°C — 3 July 2021.
The minimum night temperature 13°C — 4 July 2021.
water temperature
2022 2021 2020 2019 2018 2017 2016 2015 2014 2013
The warmest water 23.9 °C — 29 July 2020. The coldest water 15.6 °C — 1 July 2017.
Sunny, cloudy and gloomy days
Precipitation, mm
Maximum precipitation 87.9 mm — December. Minimum precipitation 50.7 mm — September.
Wind speed, km / h
Maximum wind speed 17.8 km / h — January. Minimum wind speed 12.3 km / h — August.
Number of hours of sunshine
The maximum number of hours of sunshine per day 9.6 h. — July. The minimum number of hours of sunshine per day 4.8 h. — December.
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