January weather forecast
Parsippany-Troy Hills, NJ

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An aerial panorama of Parsippany City in the Troy Hills, New Jersey, with colorful brown and golden trees around the scenic Lake Parsippany
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 January

January in Parsippany-Troy Hills, New Jersey, USA, launches the year with the coldest temperatures. The monthly averages fluctuate between 18°F (-7.8°C) at the lowest end and 39°F (3.9°C) on the highest end. Compared with the crisp weather enjoyed in December, January's chill requires increased heating and layered clothing. This frigid weather often results in frosty mornings, creating captivating scenery. Looking ahead, February does not present any significant relief from these winter temperatures.

Temperature

The coldest time of the year is January, with temperatures averaging a high of 39°F (3.9°C) and a low of 18°F (-7.8°C).

Rainfall

During January, Parsippany-Troy Hills regularly aggregates up to 3.54" (90mm) of precipitation. During the entire year, Parsippany-Troy Hills aggregates up to 50.91" (1293mm) of precipitation.

Daylight

In January, the average length of the day is 9h and 38min.
On the first day of January, sunrise is at 7:22 am and sunset at 4:40 pm. On the last day of the month, sunrise is at 7:08 am and sunset at 5:13 pm EST.
Updated: Aug 25, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest time of year?

Parsippany-Troy Hills's January weather, marked by an average high temperature of 39°F (3.9°C) and an average low temperature of 18°F (-7.8°C), is the coldest in the year.

How cold does it get in January?

The average high-temperature, in January, in Parsippany-Troy Hills, is 39°F (3.9°C), while the average low-temperature is 18°F (-7.8°C).

How much does it rain in January?

Throughout January, 3.54" (90mm) of precipitation is accumulated.

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

The average day length in January is 9h and 38min.

What time are sunrise and sunset in January in Parsippany-Troy Hills?

On the first day of January, sunrise is at 7:22 am and sunset at 4:40 pm. On the last day of the month, sunrise is at 7:08 am and sunset at 5:13 pm EST.

Average temperature in January
Parsippany-Troy Hills, NJ

Average temperature in January - Parsippany-Troy Hills, NJ
  • Average high temperature in January: 39°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 January: 18°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 January
Parsippany-Troy Hills, NJ

Average rainfall in January - Parsippany-Troy Hills, NJ
  • Average rainfall in January: 3.5"

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 January
Parsippany-Troy Hills, NJ

Average daylight in January - Parsippany-Troy Hills, NJ
  • Average daylight in January: 9h and 4min

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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