An aerial panorama of Parsippany City in the Troy Hills, New Jersey, with colorful brown and golden trees around the scenic Lake Parsippany
Weather in December
December in Parsippany-Troy Hills unfolds with a definitive return of winter's chill. Freezing temperatures take the stage in this month, registering lows of 24°F (-4.4°C) and highs barely reaching 44°F (6.7°C). The month marks a full circle back to the characteristic cold of the onset of the year. Given this cold, locals and tourists should anticipate frost-laden mornings and snow-laden walks. As the year closes out, January awaits with a very comparable weather layout.
On the first day of December in Parsippany-Troy Hills, New Jersey, sunrise is at 7:03 am and sunset at 4:30 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 4:39 pm EST.
Temperature
Parsippany-Troy Hills in December experiences a subtle temperature decline, with average high-temperatures reducing from a cool 55°F (12.8°C) in November to a frosty 44.1°F (6.7°C). Parsippany-Troy Hills experiences an average nighttime temperature of 24.1°F (-4.4°C) in the month of December.Rainfall
In Parsippany-Troy Hills, in December, 4.13" (105mm) of precipitation is typically accumulated. Throughout the year, 50.91" (1293mm) of rain is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 18min of daylight.On the first day of December in Parsippany-Troy Hills, New Jersey, sunrise is at 7:03 am and sunset at 4:30 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 4:39 pm EST.
Updated: Aug 25, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December?
The high-temperature, in December, in Parsippany-Troy Hills, records 44.1°F (6.7°C), while the low-temperature is 24.1°F (-4.4°C).
How much does it rain in December?
During December, Parsippany-Troy Hills regularly aggregates up to 4.13" (105mm) of precipitation.
What is the month with the shortest days?
With an average of 9h and 18min of daylight, December has the shortest days of the year.
How many hours of daylight does Parsippany-Troy Hills have in December?
The average day length in December is 9h and 18min.
What time are sunrise and sunset in December in Parsippany-Troy Hills?
In December, on the first day of the month, sunrise is at 7:03 am and sunset at 4:30 pm. On the last day of the month, in Parsippany-Troy Hills, sunrise is at 7:21 am and sunset at 4:39 pm EST.
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 least rainfall) is February (2.9").
Average daylight in December
Parsippany-Troy Hills, NJ
- Average daylight in December: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
Parsippany-Troy Hills, New Jersey, USA
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