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Saint Louis — weather in August, water temperature

31.1°C Daytime temperatures 26.7°C Night temperatures 12 Sunny days 12.4-12.8 Sun (hours) 6 Rainy days 74.5 mm Precipitation 27.9°C water temperature
Air temperature
2022 2021 2020 2019 2018 2017 2016 2015 2014 2013
The maximum daily temperature 37.5°C — 28 August 2017.
The maximum night temperature 33°C — 3 August 2017.
The minimum daily temperature 25°C — 14 August 2019.
The minimum night temperature 24°C — 1 August 2019.
water temperature
2022 2021 2020 2019 2018 2017 2016 2015 2014 2013
The warmest water 29.6 °C — 29 August 2021. The coldest water 26.3 °C — 8 August 2014.
Sunny, cloudy and gloomy days
Precipitation, mm
Maximum precipitation 87 mm — September. Minimum precipitation 0.2 mm — November.
Wind speed, km / h
Maximum wind speed 24.3 km / h — April. Minimum wind speed 17.8 km / h — September.
Number of hours of sunshine
The maximum number of hours of sunshine per day 12.2 h. — May. The minimum number of hours of sunshine per day 8.2 h. — August.
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