Annual Weather Averages in Sullivan County International Airport
Sullivan County International Airport is 37 miles from Chichester, so the actual climate in Chichester can vary a bit.
Based on weather reports collected during 1992–2021.
All Year Climate & Weather Averages in Chichester
High Temp: 80 °F
Low Temp: 16 °F
Mean Temp: 47 °F
Precipitation: 2.69"
Humidity: 71%
Dew Point: 37 °F
Wind: 13 mph
Pressure: 30.02 "Hg
Visibility: 9 mi
January Climate & Weather Averages in Chichester
High Temp: 31 °F
Low Temp: 16 °F
Mean Temp: 24 °F
Precipitation: 1.70"
Humidity: 73%
Dew Point: 16 °F
Wind: 14 mph
Pressure: 30.02 "Hg
Visibility: 9 mi
February Climate & Weather Averages in Chichester
High Temp: 34 °F
Low Temp: 18 °F
Mean Temp: 26 °F
Precipitation: 1.31"
Humidity: 67%
Dew Point: 16 °F
Wind: 15 mph
Pressure: 30.02 "Hg
Visibility: 9 mi
March Climate & Weather Averages in Chichester
High Temp: 43 °F
Low Temp: 25 °F
Mean Temp: 34 °F
Precipitation: 1.77"
Humidity: 64%
Dew Point: 22 °F
Wind: 16 mph
Pressure: 30.02 "Hg
Visibility: 9 mi
April Climate & Weather Averages in Chichester
High Temp: 56 °F
Low Temp: 35 °F
Mean Temp: 45 °F
Precipitation: 2.73"
Humidity: 61%
Dew Point: 31 °F
Wind: 15 mph
Pressure: 29.97 "Hg
Visibility: 9 mi
May Climate & Weather Averages in Chichester
High Temp: 67 °F
Low Temp: 45 °F
Mean Temp: 56 °F
Precipitation: 2.96"
Humidity: 67%
Dew Point: 44 °F
Wind: 13 mph
Pressure: 30.00 "Hg
Visibility: 9 mi
June Climate & Weather Averages in Chichester
High Temp: 75 °F
Low Temp: 54 °F
Mean Temp: 65 °F
Precipitation: 3.46"
Humidity: 73%
Dew Point: 55 °F
Wind: 11 mph
Pressure: 29.98 "Hg
Visibility: 9 mi
July Climate & Weather Averages in Chichester
High Temp: 80 °F
Low Temp: 59 °F
Mean Temp: 70 °F
Precipitation: 3.53"
Humidity: 73%
Dew Point: 60 °F
Wind: 10 mph
Pressure: 29.99 "Hg
Visibility: 9 mi
August Climate & Weather Averages in Chichester
High Temp: 78 °F
Low Temp: 58 °F
Mean Temp: 68 °F
Precipitation: 3.57"
Humidity: 75%
Dew Point: 58 °F
Wind: 9 mph
Pressure: 30.04 "Hg
Visibility: 9 mi
September Climate & Weather Averages in Chichester
High Temp: 71 °F
Low Temp: 51 °F
Mean Temp: 61 °F
Precipitation: 3.23"
Humidity: 76%
Dew Point: 52 °F
Wind: 10 mph
Pressure: 30.08 "Hg
Visibility: 9 mi
October Climate & Weather Averages in Chichester
High Temp: 59 °F
Low Temp: 40 °F
Mean Temp: 49 °F
Precipitation: 3.21"
Humidity: 74%
Dew Point: 40 °F
Wind: 12 mph
Pressure: 30.06 "Hg
Visibility: 9 mi
November Climate & Weather Averages in Chichester
High Temp: 47 °F
Low Temp: 30 °F
Mean Temp: 38 °F
Precipitation: 2.36"
Humidity: 72%
Dew Point: 29 °F
Wind: 13 mph
Pressure: 30.08 "Hg
Visibility: 9 mi
December Climate & Weather Averages in Chichester
High Temp: 36 °F
Low Temp: 22 °F
Mean Temp: 29 °F
Precipitation: 2.44"
Humidity: 75%
Dew Point: 22 °F
Wind: 14 mph
Pressure: 30.04 "Hg
Visibility: 9 mi