Best time to go to St. Louis (Missouri) Average weather of St. Louis (Missouri), United States

When is the best time to go to St. Louis (Missouri)?

When is the best time to go to St. Louis (Missouri)? Here's some information to help you in your decision:

The best months for good weather in St. Louis (Missouri) are April, May, June, July, August, September and October
On average, the warmest months are June, July and August
January is the coldest month of the year
The rainiest months are April, May, June and July

Annual weather in St. Louis (Missouri)

For full information about the climate and weather in St. Louis (Missouri) a specific month, click on the corresponding line below:

Month			Our opinion
January	29°F/40°F	3.9in	very bad weather	St. Louis (Missouri) in january
February	31°F/43°F	4in	very bad weather	St. Louis (Missouri) in february
March	41°F/56°F	5.9in	very bad weather	St. Louis (Missouri) in march
April	50°F/67°F	8.3in	good weather	St. Louis (Missouri) in april
May	61°F/76°F	8.5in	good weather	St. Louis (Missouri) in may
June	70°F/86°F	8.9in	good weather	St. Louis (Missouri) in june
July	72°F/88°F	7.2in	good weather	St. Louis (Missouri) in july
August	70°F/88°F	7in	good weather	St. Louis (Missouri) in august
September	63°F/81°F	5.2in	good weather	St. Louis (Missouri) in september
October	52°F/68°F	5.7in	good weather	St. Louis (Missouri) in october
November	41°F/56°F	4.5in	very bad weather	St. Louis (Missouri) in november
December	34°F/45°F	4.2in	very bad weather	St. Louis (Missouri) in december

Weather and climate in St. Louis (Missouri)

St. Louis (Missouri) enjoys a humid subtropical climate (without dry season and with hot summer) in accordance with the Köppen-Geiger classification. The yearly average maximum temperature in St. Louis (Missouri) is 67°F (ranging from 40°F in january to 88°F in july). Annual rainfall is 73.4in, with a minimum of 3.9in in january and a maximum of 8.9in in june.

From january to march the climate is the worst possible. It is for example 56°F as maximum temperature in march and, in march, 8 days of rain are expected.
In april the climate is good. The temperature rises to 67°F and you can expect to have 8.3in of rainfall/month during this period.
In may the climate is not good, but still OK. In average, on the morning it is 61°F.
From june to october the climate is good. It is for example 68°F as maximum temperature in october and it rains in october about 5.7in.
Between the months of november and december the climate is the worst possible. By early evening, the temperature averages 38°F and it rains about 4.2in each month.

Charts: temperature and rainfall in St. Louis (Missouri)

In the charts below, you can see the following seasonal norms for the city of St. Louis (Missouri): the minimum and maximum outdoor temperature, the risk and amount of monthly rainfall, daily average sunshine, and relative humidity for each month of the year.

Outside temperature

Precipitation (rainfall)

Daily sunshine hours

Humidity

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