Saint Louis Weather in January

What's the weather like in Saint Louis (Missouri) in January 2024?

The climate in Saint Louis during January can be summarized as cold and reasonably dry.

January is in the winter in Saint Louis and is typically the coldest month of the year. Daytime maximum temperatures average around a freezing 3°C (38°F), whilst at night -7°C (20°F) is normal.

Saint Louis weather averages (imperial / metric)
Daytime temperature 3.3°C 37.9°F
Nightly temperature -6.5°C 20.3°F
Average temperature -1.6°C 29.1°F
Daily sunshine 5.7 hrs
Avg rainfall 46 mm 1.8 ins
Rainy days 9 days
Sea temperature 10.3°C 50.5°F
Humidity 73%
Windspeed 18.7kph 12 mph

On average January is the driest month of the year in Saint Louis with around 46mm 1.8 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 9 days, although this may vary considerably.

On the flip side this corresponds to an average of 5.7 hours of sunshine per day.

January temperatures in Saint Louis

Saint Louis average temperature in January

January rainfall

Saint Louis average rain in January

January hourly sunshine

Saint Louis average rain in January

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Saint Louis in January 2024.

Other monthly averages

Best places to visit in January

UV index Best time to go?

Beta

Current (hourly) weather 15 day forecast

Saint Louis weather stats

Saint Louis weather statistics
Hottest month: July 31.4°C 88.5°F
Driest month: January 46mm 1.8ins
Sunniest month: July 10.8hrs
Coldest month: January 3.1°C 37.6°F
Wettest month: May 103mm 4.1ins
Map showing location of Saint Louis (38.62727, -90.19789) Saint Louis map pin © Google

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