Trenton August Weather

Averages and records for weather in Trenton, New Jersey in the month of August.
Typical Trenton August Weather
1991–2020
Average daily high 84.3 °F
Average daily low 64.6 °F
Average monthly precipitation 4.2 inches
Average monthly snow none
Daily chance of precipitation 32.0%
Daily chance of snow 0%
Trenton August Weather Records
1865–2024
Highest temperature 105 °F August 7, 1918
Lowest temperature 39 °F August 29, 1986
Highest daily low 84 °F August 11, 1895
Lowest daily high 59 °F August 26, 1940
Hottest average high temperature 88.9 °F 1983
Coldest average high temperature 76.5 °F 1866
Most daily precipitation 5.2 inches August 7, 1921
Most monthly precipitation 15.7 inches 2011
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 85.8 66.4 99 54
August 2 85.7 66.3 100 53
August 3 85.6 66.2 98 52
August 4 85.5 66.1 98 52
August 5 85.4 66.1 98 51
August 6 85.2 65.9 100 48
August 7 85.1 65.8 105 49
August 8 85.1 65.6 99 51
August 9 84.9 65.5 99 50
August 10 84.8 65.3 96 54
August 11 84.7 65.2 98 52
August 12 84.6 65.0 96 53
August 13 84.6 64.9 98 50
August 14 84.5 64.9 99 52
August 15 84.4 64.8 97 53
August 16 84.3 64.6 96 51
August 17 84.1 64.5 96 43
August 18 83.9 64.3 96 53
August 19 83.7 64.0 95 53
August 20 83.5 63.9 99 49
August 21 83.5 63.9 96 47
August 22 83.4 63.8 97 46
August 23 83.2 63.6 95 48
August 24 83.1 63.4 93 48
August 25 83.0 63.2 94 48
August 26 82.9 63.1 99 52
August 27 82.7 62.9 98 51
August 28 82.5 62.6 98 44
August 29 82.3 62.4 97 39
August 30 82.1 62.1 99 40
August 31 81.9 61.9 99 46
Weather Station Details
Years Station Coordinates
1999–2024 Trenton Mercer County Airport location
1977–1998 Trenton State College location
1913–1976 Trenton location
1865–1913 Trenton 2 location