Currently: 62 °F. Mostly cloudy. (Weather station: Lambert-St. Louis International Airport, USA). See more current weatherAnnual Weather Averages Near St. Louis
Averages are for Lambert-St. Louis International Airport, which is 13 miles from St. Louis.
Based on weather reports collected during 1992–2021.
All Year Climate & Weather Averages in St. Louis
High Temp: 90 °F
Low Temp: 25 °F
Mean Temp: 58 °F
Precipitation: 3.52"
Humidity: 65%
Dew Point: 45 °F
Wind: 14 mph
Pressure: 30.04 "Hg
Visibility: 9 mi
January Climate & Weather Averages in St. Louis
High Temp: 40 °F
Low Temp: 25 °F
Mean Temp: 33 °F
Precipitation: 2.71"
Humidity: 69%
Dew Point: 23 °F
Wind: 16 mph
Pressure: 30.16 "Hg
Visibility: 8 mi
February Climate & Weather Averages in St. Louis
High Temp: 45 °F
Low Temp: 28 °F
Mean Temp: 37 °F
Precipitation: 2.32"
Humidity: 66%
Dew Point: 26 °F
Wind: 16 mph
Pressure: 30.13 "Hg
Visibility: 9 mi
March Climate & Weather Averages in St. Louis
High Temp: 56 °F
Low Temp: 37 °F
Mean Temp: 47 °F
Precipitation: 3.59"
Humidity: 61%
Dew Point: 34 °F
Wind: 17 mph
Pressure: 30.08 "Hg
Visibility: 9 mi
April Climate & Weather Averages in St. Louis
High Temp: 68 °F
Low Temp: 47 °F
Mean Temp: 57 °F
Precipitation: 4.75"
Humidity: 60%
Dew Point: 43 °F
Wind: 17 mph
Pressure: 29.97 "Hg
Visibility: 9 mi
May Climate & Weather Averages in St. Louis
High Temp: 77 °F
Low Temp: 58 °F
Mean Temp: 67 °F
Precipitation: 4.81"
Humidity: 63%
Dew Point: 54 °F
Wind: 14 mph
Pressure: 29.96 "Hg
Visibility: 9 mi
June Climate & Weather Averages in St. Louis
High Temp: 86 °F
Low Temp: 68 °F
Mean Temp: 77 °F
Precipitation: 4.60"
Humidity: 64%
Dew Point: 63 °F
Wind: 13 mph
Pressure: 29.93 "Hg
Visibility: 9 mi
July Climate & Weather Averages in St. Louis
High Temp: 90 °F
Low Temp: 72 °F
Mean Temp: 80 °F
Precipitation: 3.98"
Humidity: 64%
Dew Point: 67 °F
Wind: 11 mph
Pressure: 29.96 "Hg
Visibility: 9 mi
August Climate & Weather Averages in St. Louis
High Temp: 88 °F
Low Temp: 70 °F
Mean Temp: 79 °F
Precipitation: 3.52"
Humidity: 65%
Dew Point: 66 °F
Wind: 11 mph
Pressure: 29.99 "Hg
Visibility: 9 mi
September Climate & Weather Averages in St. Louis
High Temp: 81 °F
Low Temp: 61 °F
Mean Temp: 71 °F
Precipitation: 3.02"
Humidity: 64%
Dew Point: 58 °F
Wind: 11 mph
Pressure: 30.02 "Hg
Visibility: 9 mi
October Climate & Weather Averages in St. Louis
High Temp: 69 °F
Low Temp: 49 °F
Mean Temp: 59 °F
Precipitation: 3.07"
Humidity: 64%
Dew Point: 46 °F
Wind: 14 mph
Pressure: 30.05 "Hg
Visibility: 9 mi
November Climate & Weather Averages in St. Louis
High Temp: 56 °F
Low Temp: 38 °F
Mean Temp: 47 °F
Precipitation: 3.32"
Humidity: 65%
Dew Point: 35 °F
Wind: 15 mph
Pressure: 30.12 "Hg
Visibility: 9 mi
December Climate & Weather Averages in St. Louis
High Temp: 45 °F
Low Temp: 29 °F
Mean Temp: 37 °F
Precipitation: 2.57"
Humidity: 70%
Dew Point: 27 °F
Wind: 15 mph
Pressure: 30.13 "Hg
Visibility: 9 mi