Saint Louis climate

Typical historical weather for 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 Saint Louis.

Annual average

9.6°C

across all months

Warmest month

28.7°C

Jul average high

Coolest month

-7.5°C

Jan average low

Annual rainfall

921mm

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

36.8°C

3 July 2020

Coldest day

-26.3°C

5 January 2018

Wettest day

57.3mm

16 August 2016

Windiest day

9.5m/s

8 March 2017