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Lake Saint Louis climate
Typical historical weather for Lake Saint Louis, United States, averaged across 10 years of hourly climate data. Pick a date for a specific day.
Want today's actual conditions instead? See the current forecast for Lake Saint Louis.
Annual average
14°C
across all months
Warmest month
30.9°C
Jul average high
Coolest month
-4°C
Jan average low
Annual rainfall
1094mm
total per year
Monthly averages
Average daily high/low temperature (band) and monthly rainfall (bars).
● Avg high● Avg low▮ Rainfall
Records on file
Hottest day
38.3°C
22 July 2017
Coldest day
-21.7°C
14 January 2024
Wettest day
82.4mm
29 April 2017
Windiest day
7.7m/s
14 March 2019
See the detail: Lake Saint Louis on 29 April 2017.