December weather forecast
Hillsborough Township, NJ

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Weather in December

The weather in December embraces the true essence of winter in Hillsborough Township. Plummeting to 23°F (-5°C), it perceives a significant drop in temperatures from November. Accompanied by short daylight hours, the cold is indeed felt more intensely this month. While December pioneers the winter conditions, the reliable progression of Hillsborough Township's weather continuum predictably lays the groundwork for January's climatic patterns.

Temperature

With the onset of December, Hillsborough Township experiences a modest temperature adjustment, with the average high-temperature receding from a cool 54°F (12.2°C) in November to a cold 42.1°F (5.6°C). Hillsborough Township's nights in December cool down to an average low-temperature of 23°F (-5°C).

Rainfall

During December, Hillsborough Township regularly aggregates up to 3.86" (98mm) of precipitation. Throughout the year, in Hillsborough Township, New Jersey, 47.83" (1215mm) of rain is accumulated.

Daylight

December has the shortest days of the year in Hillsborough Township, with an average of 9h and 18min of daylight.
On the first day of the month, sunrise is at 7:03 am and sunset at 4:32 pm. On the last day of December, in Hillsborough Township, sunrise is at 7:21 am and sunset at 4:41 pm EST.
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Frequently asked questions

How cold is it in Hillsborough Township in December?

The average high-temperature and low-temperature during December are 42.1°F (5.6°C) and 23°F (-5°C) respectively.

How much does it rain in Hillsborough Township in December?

During December, Hillsborough Township regularly aggregates up to 3.86" (98mm) of precipitation.

What is the month with the shortest days in Hillsborough Township?

December has the shortest days of the year in Hillsborough Township, New Jersey, with an average of 9h and 18min of daylight.

What is the average length of the day in December in Hillsborough Township?

In December, the average day length is 9h and 20min.

What time are sunrise and sunset in December in Hillsborough Township?

In December, on the first day of the month, sunrise is at 7:03 am and sunset at 4:32 pm. On the last day of the month, in Hillsborough Township, New Jersey, sunrise is at 7:21 am and sunset at 4:41 pm EST.

Average temperature in December
Hillsborough Township, NJ

Average temperature in December - Hillsborough Township, NJ
  • Average high temperature in December: 42°F

The warmest month (with the highest average high temperature) is July (85°F).
The month with the lowest average high temperature is January (38°F).

  • Average low temperature in December: 23°F

The month with the highest average low temperature is July (61°F).
The coldest month (with the lowest average low temperature) is January (18°F).

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Average rainfall in December
Hillsborough Township, NJ

Average rainfall in December - Hillsborough Township, NJ
  • Average rainfall in December: 3.8"

The wettest month (with the highest rainfall) is July (4.8").
The driest month (with the least rainfall) is February (2.8").

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Average daylight in December
Hillsborough Township, NJ

Average daylight in December - Hillsborough Township, NJ
  • Average daylight in December: 9h and 2min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).

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Hillsborough Township, New Jersey, USA

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