Climate for St. Louis, Missouri

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Average Temperatures for St. Louis

Average Temperature for St. Louis, Missouri
MonthLowHigh
Jan21.2°F37.9°F
Feb26.5°F44.3°F
Mar36.2°F55.4°F
Apr46.5°F66.7°F
May56.6°F76.5°F
Jun65.9°F85.3°F
Jul70.6°F89.8°F
Aug68.6°F87.9°F
Sept60.3°F80.1°F
Oct48.2°F68.3°F
Nov36.7°F53.8°F
Dec25.8°F42.0°F

St. Louis's coldest month is January when the average temperature overnight is 21.2°F. In July, the warmest month, the average day time temperature rises to 89.8°F.

Average Rainfall for St. Louis

Average Rainfall for St. Louis, Missouri
MonthPrecipitation
Jan2.14in.
Feb2.28in.
Mar3.60in.
Apr3.69in.
May4.11in.
Jun3.76in.
Jul3.90in.
Aug2.98in.
Sept2.96in.
Oct2.76in.
Nov3.71in.
Dec2.86in.

The driest month in St. Louis is January with 2.14 inches of precipitation, and with 4.11 inches May is the wettest month.