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Temperature in New Jersey in December

New Jersey is a region in the United States of America. In December the average maximum daytime temperatures are low and range from 5°C in Vernon to 10°C in Cape May. Nighttime temperatures generally drop to 2°C in Cape May and -4°C in Vernon. December is a winter month.

What is the temperature of the different cities in New Jersey in December?

Discover the typical December temperatures for the most popular locations of New Jersey on the map below. Detailed insights are just a click away.

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Legend very warm warm pleasant moderate cold very cold
Very warm means maximum temperatures above 30°C. Warm: 22°C to 30°C. Pleasant: 18°C to 22°C Moderate: 12°C to 18°C. Cold: 2°C to 12°C. Very cold: lower than 2°C

  • What is the warmest city in December in New Jersey?
  • Cape May tops the warmest city list in our database with average maximum daytime temperatures around 10°C and a minimum nighttime temperature of around 2°C.

  • What is the coldest city in December in New Jersey?
  • When looking through our records, we find that Vernon stands out as the coolest city in New Jersey for the month of December. Daytime highs average 5°C and it cools down to about -4°C at night.

  • How much sun does New Jersey get in December?
  • Most cities enjoy a balanced amount of sunshine, with around 141 hours of sunlight anticipated in Jersey City. This ensures the days are neither too dim nor excessively sunny.

  • What is the water's temperature in December?
  • The water temperature averages approximately 6°C in Cape May this month, so not the best month to swim.

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