Trenton July Weather

Averages and records for weather in Trenton, New Jersey in the month of July.
Typical Trenton July Weather
1991–2020
Average daily high 86.4 °F
Average daily low 66.4 °F
Average monthly precipitation 4.7 inches
Average monthly snow none
Daily chance of precipitation 34.8%
Daily chance of snow 0%
Trenton July Weather Records
1865–2024
Highest temperature 106 °F July 22, 2011
Lowest temperature 46 °F July 1, 1988
Highest daily low 83 °F July 23, 2011
Lowest daily high 62 °F July 3, 1933
Hottest average high temperature 91.9 °F 2011
Coldest average high temperature 79.9 °F 1978
Most daily precipitation 6.7 inches July 6, 1880
Most monthly precipitation 15.1 inches 1880
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
July 1 85.0 64.6 98 46
July 2 85.2 64.8 100 53
July 3 85.5 65.0 102 50
July 4 85.8 65.2 99 47
July 5 85.9 65.4 102 51
July 6 86.1 65.6 104 50
July 7 86.2 65.7 103 52
July 8 86.4 65.9 100 54
July 9 86.4 66.0 106 51
July 10 86.4 66.1 104 50
July 11 86.3 66.1 100 54
July 12 86.4 66.2 96 53
July 13 86.4 66.3 98 55
July 14 86.4 66.3 98 57
July 15 86.5 66.4 101 53
July 16 86.5 66.5 102 55
July 17 86.5 66.5 100 52
July 18 86.6 66.6 100 55
July 19 86.6 66.6 101 55
July 20 86.7 66.7 101 50
July 21 86.7 66.7 101 55
July 22 86.6 66.7 106 57
July 23 86.5 66.6 104 54
July 24 86.4 66.5 98 47
July 25 86.4 66.5 97 55
July 26 86.3 66.5 99 53
July 27 86.4 66.5 98 53
July 28 86.3 66.5 98 50
July 29 86.3 66.5 100 53
July 30 86.2 66.5 98 52
July 31 86.0 66.4 99 53
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