Which is the hottest month in St Louis?

The hottest time of year in St Louis is normally July. Expect maximum daytime temperatures to reach 32°C with high heat and humidity.

Which month has the most rain in St Louis?

In terms of rainfall, May is usually the wettest month in St Louis with 103mm on average. There are normally 10 days in May with some rain.

When is it sunniest in St Louis?

The sunniest time of year in St Louis is normally July with bright sunshine on average for 69% of daylight hours; that's 10 hours of sunshine per day.

Best time to visit St Louis

Q: When is the best time to visit St Louis?

The best time to visit St Louis is June and July based on the following average weather conditions. Daily hours of sunshine = 10 hours or more.

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St Louis by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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When is the best time to visit St Louis?

The best time to visit St Louis is June and July based on the following average weather conditions.

Daily hours of sunshine = 10 hours or more [remove]

Change the criteria to reflect your weather preferences.

1.5
Jan
2.5
Feb
2.5
Mar
4
Apr
4.5
May
5
Jun
5
Jul
4.5
Aug
4
Sep
3
Oct
1.5
Nov
0.5
Dec

Change criteria

Hours of Sunshine (daily)

5
Jan
6
Feb
6
Mar
8
Apr
9
May
10
Jun
10
Jul
9
Aug
8
Sep
7
Oct
5
Nov
4
Dec

Best time to visit

Destination

Daytime temperature

Sunshine hours

Sea temperature

Monthly rainfall

Days with some rain

Heat & humidity

The weather guide for Missouri (St Louis) shows long term weather averages processed from data supplied by CRU (University of East Anglia) & today's weather forecast provided by meteoblue. Find out more about our data sources.

Metric (°C / mm) | Imperial (°F / inches)