Trenton (NJ) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Trenton.
Climate overview of Trenton
Trenton Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Trenton — and find the best time to visit.
Monthly Temperature in Trenton
Depending on the time of the year, temperatures range from very warm to chilly in Trenton. On average, daytime temperatures range from a very warm 31°C (88°F) in July to a chilly 5°C (41°F) in January.
Nighttime temperatures range from 19°C (66°F) in July to -5°C (23°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Trenton
Trenton has a relatively rain/snowy climate with high precipitation levels, averaging 1217 mm (48 in) of rain/snowfall annually. The amount of precipitation varies moderately throughout the year. The wettest month, December, sees around 125 mm (4.9 in) of rainfall, perfect for those who enjoy a bit of rain now and then. The driest month, February, still receives a respectable 73 mm (2.9 in) of snow/rainfall. For more details, please visit our Trenton Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Trenton
In Trenton, summer days are longer and more sunny, with daily sunshine hours peaking at 9.0 hours in July. As the darker season arrives, the brightness of the sun becomes less. December sees a soft sun for only 4.7 hours per average day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Best Time to Visit Trenton
Rainfall during this time ranges from 89 mm (3.5 in) in September to 125 mm (4.9 in) in June. This means you can expect a mix of sunny days and occasional showers. Need help choosing your next travel destination? We offer a specialized tool that matches you with locations based on your weather preferences. Explore destinations that suit your climate preferences.
Frequently asked questions about the climate in Trenton
What is the best time to visit Trenton?
September typically offers the most optimal weather in Trenton. In contrast, January, February and December tend to have less optimal conditions.
What temperatures can I expect in Trenton?
Daytime highs range from 5°C (41°F) in January to 31°C (88°F) in July. Nighttime lows range from -5°C (23°F) to 19°C (66°F). Temperatures vary considerably through the year.
How much rain does Trenton get?
Annual rainfall is around 1217 mm (48 in). December is the wettest month with 125 mm (4.9 in), while February is the driest with 73 mm (2.9 in).
How sunny is Trenton?
Trenton receives around 2,502 hours of sunshine per year. July is the sunniest month with 269 hours, while December is the cloudiest with just 140 hours. Overall, Trenton enjoys abundant sunshine.
Trenton 3-Day Forecast
Trenton (NJ) 3-Day Forecast
Trenton on the map
Trenton is highlighted — select any city to see its climate.
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