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Boston — weather in August, water temperature

27.2°C Daytime temperatures 19.7°C Night temperatures 17 Sunny days 13.2-14.4 Sun (hours) 3 Rainy days 51.6 mm Precipitation 19.9°C water temperature
Air temperature
2022 2021 2020 2019 2018 2017 2016 2015 2014 2013
The maximum daily temperature 38.5°C — 4 August 2022.
The maximum night temperature 25.5°C — 3 August 2020.
The minimum daily temperature 18°C — 5 August 2021.
The minimum night temperature 12.5°C — 16 August 2014.
water temperature
2022 2021 2020 2019 2018 2017 2016 2015 2014 2013
The warmest water 23.6 °C — 1 August 2020. The coldest water 17.5 °C — 16 August 2014.
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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