Currently: 42 °F. Overcast. (Weather station: Tweed-New Haven Airport, USA). See more current weatherAnnual Weather Averages Near West Haven
Averages are for Tweed-New Haven Airport, which is 3 miles from West Haven.
Based on weather reports collected during 1992–2021.
All Year Climate & Weather Averages in West Haven
High Temp: 83 °F
Low Temp: 24 °F
Mean Temp: 53 °F
Precipitation: 2.90"
Humidity: 68%
Dew Point: 42 °F
Wind: 13 mph
Pressure: 30.03 "Hg
Visibility: 10 mi
January Climate & Weather Averages in West Haven
High Temp: 38 °F
Low Temp: 24 °F
Mean Temp: 31 °F
Precipitation: 2.14"
Humidity: 65%
Dew Point: 20 °F
Wind: 14 mph
Pressure: 30.06 "Hg
Visibility: 10 mi
February Climate & Weather Averages in West Haven
High Temp: 40 °F
Low Temp: 25 °F
Mean Temp: 33 °F
Precipitation: 2.34"
Humidity: 64%
Dew Point: 21 °F
Wind: 14 mph
Pressure: 30.05 "Hg
Visibility: 10 mi
March Climate & Weather Averages in West Haven
High Temp: 47 °F
Low Temp: 32 °F
Mean Temp: 39 °F
Precipitation: 3.00"
Humidity: 63%
Dew Point: 27 °F
Wind: 15 mph
Pressure: 30.04 "Hg
Visibility: 10 mi
April Climate & Weather Averages in West Haven
High Temp: 58 °F
Low Temp: 41 °F
Mean Temp: 49 °F
Precipitation: 4.06"
Humidity: 63%
Dew Point: 36 °F
Wind: 14 mph
Pressure: 29.99 "Hg
Visibility: 10 mi
May Climate & Weather Averages in West Haven
High Temp: 68 °F
Low Temp: 51 °F
Mean Temp: 59 °F
Precipitation: 2.65"
Humidity: 69%
Dew Point: 48 °F
Wind: 12 mph
Pressure: 30.00 "Hg
Visibility: 10 mi
June Climate & Weather Averages in West Haven
High Temp: 77 °F
Low Temp: 61 °F
Mean Temp: 69 °F
Precipitation: 2.87"
Humidity: 72%
Dew Point: 59 °F
Wind: 11 mph
Pressure: 29.96 "Hg
Visibility: 9 mi
July Climate & Weather Averages in West Haven
High Temp: 83 °F
Low Temp: 67 °F
Mean Temp: 75 °F
Precipitation: 2.54"
Humidity: 72%
Dew Point: 65 °F
Wind: 11 mph
Pressure: 29.96 "Hg
Visibility: 9 mi
August Climate & Weather Averages in West Haven
High Temp: 81 °F
Low Temp: 66 °F
Mean Temp: 73 °F
Precipitation: 2.81"
Humidity: 73%
Dew Point: 64 °F
Wind: 11 mph
Pressure: 30.01 "Hg
Visibility: 10 mi
September Climate & Weather Averages in West Haven
High Temp: 75 °F
Low Temp: 59 °F
Mean Temp: 67 °F
Precipitation: 3.43"
Humidity: 73%
Dew Point: 58 °F
Wind: 12 mph
Pressure: 30.06 "Hg
Visibility: 10 mi
October Climate & Weather Averages in West Haven
High Temp: 64 °F
Low Temp: 47 °F
Mean Temp: 56 °F
Precipitation: 3.26"
Humidity: 72%
Dew Point: 46 °F
Wind: 13 mph
Pressure: 30.06 "Hg
Visibility: 11 mi
November Climate & Weather Averages in West Haven
High Temp: 53 °F
Low Temp: 37 °F
Mean Temp: 45 °F
Precipitation: 2.47"
Humidity: 68%
Dew Point: 35 °F
Wind: 13 mph
Pressure: 30.10 "Hg
Visibility: 10 mi
December Climate & Weather Averages in West Haven
High Temp: 44 °F
Low Temp: 30 °F
Mean Temp: 37 °F
Precipitation: 3.18"
Humidity: 68%
Dew Point: 27 °F
Wind: 13 mph
Pressure: 30.08 "Hg
Visibility: 10 mi