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Climate & Weather Averages in New Haven, Connecticut, USA

Currently: 74 °F. Low clouds. (Weather station: Tweed-New Haven Airport, USA). See more current weather

Annual Weather Averages Near New Haven

Averages are for Tweed-New Haven Airport, which is 4 miles from New Haven.

Based on weather reports collected during 1992–2021.

All Year Climate & Weather Averages in New 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 New 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 New 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 New 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 New 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 New 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 New 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 New 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 New 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 New 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 New 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 New 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 New 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

Quick Climate Info

Hottest MonthJuly (75 °F avg)
Coldest MonthJanuary (31 °F avg)
Wettest MonthApril (4.06" avg)
Windiest MonthMarch (15 mph avg)
Annual precip.34.75" (per year)

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