Trenton weather in December 2025

Expect daytime maximum temperatures of 45°F in Trenton, New Jersey in December based on long-term weather averages. There are 5 hours of sunshine per day on average with 11 days with some rainfall and typically 3.7 inches of rainfall in the month.

  • 45°F maximum daytime temperature in December in Trenton45
    45°F max day temperature
  • 5 hours of sunshine per day
  • 11 days with some rainfall in December in Trenton11
    11 days with some rainfall
  • 27°F minimum night-time temperature in December in Trenton27
    27°F min night temperature
  • 9 hours of daylight per day in December in Trenton9
    9 hours of daylight per day
  • No heat & humidity in December in Trenton0
    No heat & humidity
  • 3.7 inches monthly rainfall in December in Trenton3.7
    3.7 inches of monthly rainfall
  • UV (maximum) index 2 (Low) in December in Trenton2
    2 (Low) UV index

More about Trenton

Trenton by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for New Jersey

Radisson Hotels: up to 25% off prepaid rates

  • Save up to 25% on hotel stays when you book advance
  • Radisson Rewards members get extra 10% off hotels
  • Book hotels in Europe, Middle East, Africa, Asia & Pacific
Show discount codeShow discount code ******AID
Redeem Radisson Hotels discount code >>

View all Radisson Hotels offers

The December weather guide for New Jersey (Trenton) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C)  |  Imperial (°F)

Back to top

More about the USA

How cold is it in Trenton in December?

Daytime temperatures usually reach 45°F in Trenton in December, falling to 27°F at night.

How sunny is it in Trenton in December?

There are normally 5 hours of bright sunshine each day in Trenton in December - that's 48% of daylight hours.

Does it rain in Trenton in December?

There are usually 11 days with some rain in Trenton in December and the average monthly rainfall is 3.7 inches. Rain may fall as snow in this month.

Trenton December sunrise & sunset times

Browse the sunrise and sunset times for Trenton in December 2025. Select a month to view Trenton sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st December 2025 07:02 16:34
Tuesday, 16th December 2025 07:15 16:34
Wednesday, 31st December 2025 07:21 16:43

Related posts

Popular travel offers

Explore holidays in the sun for less

More holidays

Airport parking

More parking

Airport lounges

More lounges

Top ^