Annual Weather Averages in Chartres
Based on weather reports collected during 2012–2021.
All Year Climate & Weather Averages in Chartres
High Temp: 80 °F
Low Temp: 34 °F
Mean Temp: 53 °F
Precipitation: 2.03"
Humidity: 77%
Dew Point: 45 °F
Wind: 12 mph
Pressure: 30.03 "Hg
Visibility: 10 mi
January Climate & Weather Averages in Chartres
High Temp: 46 °F
Low Temp: 36 °F
Mean Temp: 41 °F
Precipitation: 1.85"
Humidity: 89%
Dew Point: 37 °F
Wind: 13 mph
Pressure: 30.06 "Hg
Visibility: 8 mi
February Climate & Weather Averages in Chartres
High Temp: 48 °F
Low Temp: 34 °F
Mean Temp: 41 °F
Precipitation: 1.76"
Humidity: 82%
Dew Point: 35 °F
Wind: 14 mph
Pressure: 30.05 "Hg
Visibility: 9 mi
March Climate & Weather Averages in Chartres
High Temp: 55 °F
Low Temp: 38 °F
Mean Temp: 46 °F
Precipitation: 1.82"
Humidity: 76%
Dew Point: 38 °F
Wind: 13 mph
Pressure: 30.04 "Hg
Visibility: 9 mi
April Climate & Weather Averages in Chartres
High Temp: 61 °F
Low Temp: 40 °F
Mean Temp: 51 °F
Precipitation: 1.58"
Humidity: 69%
Dew Point: 40 °F
Wind: 11 mph
Pressure: 29.99 "Hg
Visibility: 10 mi
May Climate & Weather Averages in Chartres
High Temp: 67 °F
Low Temp: 47 °F
Mean Temp: 57 °F
Precipitation: 2.97"
Humidity: 73%
Dew Point: 47 °F
Wind: 12 mph
Pressure: 30.01 "Hg
Visibility: 11 mi
June Climate & Weather Averages in Chartres
High Temp: 74 °F
Low Temp: 54 °F
Mean Temp: 64 °F
Precipitation: 2.45"
Humidity: 72%
Dew Point: 54 °F
Wind: 11 mph
Pressure: 30.02 "Hg
Visibility: 11 mi
July Climate & Weather Averages in Chartres
High Temp: 80 °F
Low Temp: 57 °F
Mean Temp: 69 °F
Precipitation: 1.62"
Humidity: 64%
Dew Point: 55 °F
Wind: 11 mph
Pressure: 30.03 "Hg
Visibility: 12 mi
August Climate & Weather Averages in Chartres
High Temp: 79 °F
Low Temp: 56 °F
Mean Temp: 68 °F
Precipitation: 1.61"
Humidity: 65%
Dew Point: 54 °F
Wind: 10 mph
Pressure: 30.03 "Hg
Visibility: 12 mi
September Climate & Weather Averages in Chartres
High Temp: 72 °F
Low Temp: 51 °F
Mean Temp: 62 °F
Precipitation: 1.72"
Humidity: 72%
Dew Point: 51 °F
Wind: 10 mph
Pressure: 30.06 "Hg
Visibility: 11 mi
October Climate & Weather Averages in Chartres
High Temp: 62 °F
Low Temp: 46 °F
Mean Temp: 54 °F
Precipitation: 2.25"
Humidity: 83%
Dew Point: 49 °F
Wind: 11 mph
Pressure: 30.02 "Hg
Visibility: 10 mi
November Climate & Weather Averages in Chartres
High Temp: 52 °F
Low Temp: 40 °F
Mean Temp: 46 °F
Precipitation: 2.25"
Humidity: 88%
Dew Point: 42 °F
Wind: 11 mph
Pressure: 29.99 "Hg
Visibility: 9 mi
December Climate & Weather Averages in Chartres
High Temp: 48 °F
Low Temp: 37 °F
Mean Temp: 43 °F
Precipitation: 2.46"
Humidity: 90%
Dew Point: 40 °F
Wind: 13 mph
Pressure: 30.09 "Hg
Visibility: 8 mi