Climate ▸Forecast ▸December ▸January ▸
JanuaryFebruaryMarchAprilMayJuneJulyAugustSeptemberOctoberNovemberDecember

Whippany (NJ) Weather and Climate: A Comprehensive Guide

The climate in Whippany is marked by big temperature swings throughout the year. Temperatures range from very warm during the warmest months to cold in the cooler months. It is also known for its large amounts of rain/snowfall. Let’s explore the climate details in depth to provide you with a complete overview.

Average maximum day and minimum night temperature

In Whippany, temperatures differ significantly between summer and winter months. Typically, average maximum daytime temperatures range from a very warm 30°C in July to a chilly 4°C in the coolest month, February.

Nights are cooler, with lows often dropping to around -6°C during the colder months. Check out our detailed temperature page for more information.

Temperature ranges by month

Precipitation and rainy days

Whippany experiences significant rain/snowfall throughout the year, averaging 1271 mm of precipitation annually. Precipitation levels in Whippany remain relatively steady throughout the year. June has the most rain, with 129 mm over 13 days. In November, this drops slightly to 79 mm, making the city's climate fairly predictable.

The mean monthly precipitation over the year, including rain, hail and snow

Sunshine over the year

For those who appreciate different seasons, Whippany serves as an ideal destination. Expect longer, more sun-filled days in July with an average of 9.0 hours of sunshine daily, and embrace the darker days in December, offering only 4.7 hours of daily sunlight. Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Data from: New York City, the United States of America (44 KM, 27 Miles).

Daily hours of sunshine

Data from: New York City, the United States of America (44 KM, 27 Miles).

Forecast for Whippany (NJ)

Fri   Dec 27
6°C | -9°C
S 2 m/s
almost clear and no rain

almost clear and no rain

Sat   Dec 28
8°C | 0°C
S 2 m/s
3 mm
overcast and rain

overcast and rain

Sun   Dec 29
16°C | 4°C
SE 5 m/s
4.7 mm
overcast and slight rain

overcast and slight rain

The best time of year to visit Whippany in the United States of America

During the months of May and September you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.

Other facts from our historical weather data:
  • When is summer in Whippany?
    The hottest season / summer takes place in June, July, August and September.
  • Which is the warmest month in Whippany?
    July has an average maximum temperature of 30°C and is the warmest month of the year.
  • Which is the coldest month in Whippany?
    The coldest month is February with an average maximum temperature of 4°C.
  • Which is the wettest month in Whippany?
    June tops the wettest month list with 129 mm of rainfall.
  • Which is the driest month in Whippany?
    November is the driest month with 79 mm of precipitation.
  • Which is the sunniest month in Whippany?
    July is the sunniest month with an average of 271 hours of sunshine.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.