Annual Weather Averages Near Chester
Averages are for Hawarden Airport, which is 4 miles from Chester.
Based on weather reports collected during 2005–2015.
All Year Climate & Weather Averages in Chester
High Temp: 71 °F
Low Temp: 35 °F
Mean Temp: 50 °F
Precipitation: 2.27"
Humidity: 80%
Dew Point: 44 °F
Wind: 8 mph
Pressure: 29.94 "Hg
Visibility: 10 mi
January Climate & Weather Averages in Chester
High Temp: 47 °F
Low Temp: 35 °F
Mean Temp: 41 °F
Precipitation: 2.35"
Humidity: 85%
Dew Point: 37 °F
Wind: 9 mph
Pressure: 29.90 "Hg
Visibility: 9 mi
February Climate & Weather Averages in Chester
High Temp: 47 °F
Low Temp: 35 °F
Mean Temp: 41 °F
Precipitation: 1.78"
Humidity: 83%
Dew Point: 36 °F
Wind: 9 mph
Pressure: 29.91 "Hg
Visibility: 9 mi
March Climate & Weather Averages in Chester
High Temp: 52 °F
Low Temp: 35 °F
Mean Temp: 44 °F
Precipitation: 1.40"
Humidity: 78%
Dew Point: 37 °F
Wind: 9 mph
Pressure: 29.98 "Hg
Visibility: 9 mi
April Climate & Weather Averages in Chester
High Temp: 58 °F
Low Temp: 39 °F
Mean Temp: 48 °F
Precipitation: 1.35"
Humidity: 76%
Dew Point: 41 °F
Wind: 8 mph
Pressure: 29.98 "Hg
Visibility: 10 mi
May Climate & Weather Averages in Chester
High Temp: 62 °F
Low Temp: 45 °F
Mean Temp: 53 °F
Precipitation: 2.58"
Humidity: 74%
Dew Point: 45 °F
Wind: 9 mph
Pressure: 29.96 "Hg
Visibility: 10 mi
June Climate & Weather Averages in Chester
High Temp: 67 °F
Low Temp: 49 °F
Mean Temp: 58 °F
Precipitation: 2.42"
Humidity: 75%
Dew Point: 50 °F
Wind: 8 mph
Pressure: 30.01 "Hg
Visibility: 10 mi
July Climate & Weather Averages in Chester
High Temp: 71 °F
Low Temp: 53 °F
Mean Temp: 62 °F
Precipitation: 2.82"
Humidity: 76%
Dew Point: 54 °F
Wind: 8 mph
Pressure: 29.94 "Hg
Visibility: 11 mi
August Climate & Weather Averages in Chester
High Temp: 69 °F
Low Temp: 53 °F
Mean Temp: 61 °F
Precipitation: 1.99"
Humidity: 77%
Dew Point: 53 °F
Wind: 8 mph
Pressure: 29.91 "Hg
Visibility: 11 mi
September Climate & Weather Averages in Chester
High Temp: 66 °F
Low Temp: 49 °F
Mean Temp: 57 °F
Precipitation: 1.81"
Humidity: 79%
Dew Point: 51 °F
Wind: 8 mph
Pressure: 30.00 "Hg
Visibility: 10 mi
October Climate & Weather Averages in Chester
High Temp: 60 °F
Low Temp: 45 °F
Mean Temp: 52 °F
Precipitation: 2.75"
Humidity: 83%
Dew Point: 47 °F
Wind: 8 mph
Pressure: 29.91 "Hg
Visibility: 9 mi
November Climate & Weather Averages in Chester
High Temp: 52 °F
Low Temp: 39 °F
Mean Temp: 46 °F
Precipitation: 2.81"
Humidity: 85%
Dew Point: 42 °F
Wind: 9 mph
Pressure: 29.83 "Hg
Visibility: 9 mi
December Climate & Weather Averages in Chester
High Temp: 48 °F
Low Temp: 36 °F
Mean Temp: 42 °F
Precipitation: 3.15"
Humidity: 86%
Dew Point: 38 °F
Wind: 9 mph
Pressure: 29.90 "Hg
Visibility: 10 mi