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Saint Louis — weather in April, water temperature

29.7°C Daytime temperatures 20.5°C Night temperatures 29 Sunny days 12.3-12.7 Sun (hours) 0 Rainy days 0.4 mm Precipitation 18.3°C water temperature
Air temperature
2022 2021 2020 2019 2018 2017 2016 2015 2014 2013
The maximum daily temperature 41°C — 16 April 2013.
The maximum night temperature 25.3°C — 1 April 2015.
The minimum daily temperature 21.5°C — 3 April 2022.
The minimum night temperature 16.7°C — 11 April 2016.
water temperature
2022 2021 2020 2019 2018 2017 2016 2015 2014 2013
The warmest water 21.3 °C — 28 April 2013. The coldest water 16 °C — 10 April 2020.
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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