New Haven August Weather

Averages and records for weather in New Haven, Connecticut in the month of August.
Typical New Haven August Weather
1991–2020
Average daily high 81.6 °F
Average daily low 66.7 °F
Average monthly precipitation 4.0 inches
Average monthly snow none
Daily chance of precipitation 29.8%
Daily chance of snow 0%
New Haven August Weather Records
1896–2024
Highest temperature 101 °F August 11, 1900
Lowest temperature 38 °F August 25, 1940
Highest daily low 79 °F August 2, 2006
Lowest daily high 58 °F August 10, 1962
Hottest average high temperature 86.2 °F 2016
Coldest average high temperature 75.8 °F 1903
Most daily precipitation 4.7 inches August 19, 1991
Most monthly precipitation 13.3 inches 1952
Most daily snow none -
Most monthly snow none -
Note: Daily averages are a moving average which includes 14 days before and after
Day Average (°F) Record (°F)
High Low High Low
August 1 82.9 68.1 97 52
August 2 82.8 67.9 98 51
August 3 82.7 67.9 97 51
August 4 82.6 67.9 96 50
August 5 82.5 67.8 98 51
August 6 82.3 67.7 98 48
August 7 82.2 67.5 98 52
August 8 82.2 67.5 95 47
August 9 82.2 67.4 100 53
August 10 82.1 67.3 96 50
August 11 82.0 67.2 101 51
August 12 81.9 67.0 97 48
August 13 81.8 66.9 95 46
August 14 81.7 66.9 97 46
August 15 81.7 66.8 96 50
August 16 81.6 66.6 94 50
August 17 81.4 66.5 94 49
August 18 81.3 66.3 93 47
August 19 81.0 66.1 93 49
August 20 80.9 65.9 96 50
August 21 80.8 65.9 93 46
August 22 80.7 65.8 93 46
August 23 80.5 65.6 92 42
August 24 80.4 65.4 92 48
August 25 80.2 65.2 96 38
August 26 80.1 65.1 99 47
August 27 79.9 64.9 97 47
August 28 79.7 64.6 97 45
August 29 79.5 64.3 98 44
August 30 79.4 64.1 96 46
August 31 79.2 63.9 94 45
Weather Station Details
Years Station Coordinates
1949–2024 Sikorsky Memorial Airport location
1896–1948 Bridgeport location