Parsippany-Troy Hills
New Jersey, USA
Long-term weather forecast
Long-term weather forecast

December weather forecast and climate
Parsippany-Troy Hills, NJ

An aerial view of Parsippany City in the Troy Hills, New Jersey, with colorful brown and golden trees around the scenic Lake Parsippany
An aerial view of Parsippany City in the Troy Hills, New Jersey, with colorful brown and golden trees around the scenic Lake Parsippany
December, the first month of the winter, in Parsippany-Troy Hills, is also a frosty month, with average temperature fluctuating between 24.1°F (-4.4°C) and 44.1°F (6.7°C).

Temperature

In December, the average high-temperature drops, from a cool 55°F (12.8°C) in November, to a chilly 44.1°F (6.7°C). The average low-temperature, in December, is 24.1°F (-4.4°C).

Rainfall

Throughout December, 4.1" (104.9mm) of precipitation is accumulated. During the entire year, Parsippany-Troy Hills aggregates up to 50.9" (1292.9mm) of precipitation.

Daylight

The month with the shortest days in Parsippany-Troy Hills is December, with an average of 9.3h of daylight.

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

In December, in Parsippany-Troy Hills, New Jersey, the average high-temperature is 44.1°F (6.7°C), and the average low-temperature is 24.1°F (-4.4°C).

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

Throughout December, in Parsippany-Troy Hills, New Jersey, 4.1" (104.9mm) of precipitation is accumulated.

What is the month with the shortest days in Parsippany-Troy Hills?

December has the shortest days of the year in Parsippany-Troy Hills, New Jersey, with an average of 9.3h of daylight.

How many hours of daylight does Parsippany-Troy Hills have in December?

In December, the average length of the day in Parsippany-Troy Hills, New Jersey, is 9.3h.
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).