Trenton May Weather

Averages and records for weather in Trenton, New Jersey in the month of May.
Typical Trenton May Weather
1991–2020
Average daily high 72.6 °F
Average daily low 51.4 °F
Average monthly precipitation 3.7 inches
Average monthly snow none
Daily chance of precipitation 37.7%
Daily chance of snow 0%
Trenton May Weather Records
1865–2024
Highest temperature 99 °F May 31, 1986
Lowest temperature 31 °F May 10, 2020
Highest daily low 75 °F May 31, 1895
Lowest daily high 43 °F May 5, 1917
Hottest average high temperature 81.9 °F 1911
Coldest average high temperature 63.0 °F 1917
Most daily precipitation 4.2 inches May 19, 1900
Most monthly precipitation 10.8 inches 1894
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
May 1 68.2 46.8 91 32
May 2 68.5 47.1 88 36
May 3 68.7 47.4 91 35
May 4 68.8 47.7 89 32
May 5 68.9 47.8 91 35
May 6 69.2 48.0 91 36
May 7 69.5 48.2 93 35
May 8 69.7 48.5 93 36
May 9 70.0 48.8 92 31
May 10 70.4 49.2 95 31
May 11 70.8 49.5 92 34
May 12 71.1 49.8 93 33
May 13 71.5 50.2 90 35
May 14 71.8 50.6 89 31
May 15 72.2 51.0 89 34
May 16 72.4 51.3 88 40
May 17 72.7 51.6 91 36
May 18 73.1 51.9 96 37
May 19 73.4 52.2 96 37
May 20 73.7 52.5 94 34
May 21 73.9 52.7 94 36
May 22 74.1 53.1 95 36
May 23 74.3 53.3 99 41
May 24 74.7 53.6 94 38
May 25 75.0 53.9 94 40
May 26 75.4 54.2 94 42
May 27 75.7 54.5 94 41
May 28 76.2 55.0 94 37
May 29 76.6 55.4 93 35
May 30 76.7 55.8 96 38
May 31 76.9 56.1 99 42
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