December weather forecast and climate
Parsippany-Troy Hills, NJ

What is the temperature in December in Parsippany-Troy Hills?

The average high-temperature, in December, is 44.1°F (6.7°C), while the average low-temperature is 24.1°F (-4.4°C).

How much does it rain in Parsippany-Troy Hills in December?

During December, Parsippany-Troy Hills regularly aggregates up to 4.1" (104.9mm) of precipitation.
Average temperature in December - Parsippany-Troy Hills, NJ
  • Average high temperature in December: 44°F

The warmest month (with the highest average high temperature) is July (86°F).
The month with the lowest average high temperature is January (39°F).

  • Average low temperature in December: 24°F

The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (18°F).

Average rainfall in December - Parsippany-Troy Hills, NJ
  • Average rainfall in December: 4.1"

The wettest month (with the highest rainfall) is September (4.9").
The driest month (with the lowest rainfall) is February (2.9").

Average daylight in December - Parsippany-Troy Hills, NJ
  • Average daylight in December: 9.3h

The month with the longest days is June (Average daylight: 15.1h).
The month with shortest days is December (Average daylight: 9.3h).