| Month | Average (°F) | Record (°F) | Average (inches) | |||
|---|---|---|---|---|---|---|
| High ☀️ | Low 🌙 | High ☀️ | Low 🌙 | Precipitation 💧 | Snow ❄️ | |
| January | 40.0 | 24.1 | 73 | -16 | 3.4 | 7.9 |
| February | 43.0 | 25.7 | 78 | -14 | 2.7 | 8.6 |
| March | 51.1 | 32.5 | 88 | 0 | 4.1 | 4.9 |
| April | 63.2 | 42.0 | 93 | 11 | 3.6 | 0.5 |
| May | 72.6 | 51.4 | 99 | 31 | 3.7 | 0.0 |
| June | 81.5 | 60.9 | 100 | 38 | 4.6 | 0.0 |
| July | 86.4 | 66.4 | 106 | 46 | 4.7 | 0.0 |
| August | 84.3 | 64.6 | 105 | 39 | 4.1 | 0.0 |
| September | 77.5 | 57.4 | 101 | 34 | 4.1 | 0.0 |
| October | 65.7 | 45.7 | 94 | 21 | 3.8 | 0.1 |
| November | 54.8 | 36.1 | 83 | 9 | 3.3 | 0.5 |
| December | 44.7 | 29.0 | 76 | -8 | 4.1 | 4.2 |
| Entire year | 63.8 | 44.8 | 106 | -16 | 46.3 | 26.7 |
|
More Trenton Weather Records
1865–2023
|
||
|---|---|---|
| Highest daily low | 85 °F | July 16, 1879 |
| Lowest daily high | 3 °F | January 21, 1985 |
| Greatest daily range (Difference of high and low) |
50 °F | December 23, 2022 |
| Difference in high temperature over two conscutive days |
48 °F | Jan 6–7, 2014 |
| Most daily precipitation | 7.3 inches | September 16, 1999 |
| Most monthly precipitation | 15.7 inches | August 2011 |
| Most yearly precipitation | 67.5 inches | 1996 |
| Earliest freeze | October 1 | 1993 |
| Latest freeze | May 14 | 1996 |
| Earliest snow in season | October 10 | 1979 |
| Latest snow in season | April 27 | 1967 |
| Most daily snow | 21.0 inches | March 12, 1888 |
| Most monthly snow | 40.6 inches | February 2010 |
| Most yearly snow | 60.1 inches | 1996 |
| Greatest snow accumulation | 16.0 inches | April 3, 1915 |
| Most days in a year ≥ 80 °F | 116 | 2016 |
| Most days in a year ≥ 90 °F | 52 | 2010 |
| Most days in a year ≥ 100 °F | 4 | 1991 |
|
Trenton Weather Streaks
Most consecutive days...
|
||
|---|---|---|
| With precipitation | 12 days | Jul 31 – Aug 11, 2003 |
| Without precipitation | 38 days | Apr 16 – May 23, 1903 |
| With snow | 6 days | Jan 20–25, 1948 |
| Freezing temperatures High temperature ≤ 32 °F
|
17 days | Jan 19 – Feb 4, 1961 |
| High temperature ≥ 80 °F | 67 days | Jul 5 – Sep 9, 2015 |
| High temperature ≥ 90 °F | 11 days | Jul 23 – Aug 2, 1999 |
| High temperature ≥ 100 °F | 3 days | Jul 21–23, 2011 |