December weather forecastWest Milford, NJ
December
Weather in December
The first month of the winter, December, is also a wintry month in West Milford, New Jersey, with an average temperature ranging between max 38.8°F (3.8°C) and min 27.9°F (-2.3°C).Temperature
Onset of December comes with a temperature decline, the average high falling from a chilly 48.6°F (9.2°C) in November to a wintry 38.8°F (3.8°C). West Milford, during December nights, observes an average temperature of 27.9°F (-2.3°C).Humidity
February, October and December, with an average relative humidity of 81%, are the most humid months in West Milford.Rainfall
In West Milford, in December, it is raining for 9.2 days, with typically 2.32" (59mm) of accumulated precipitation. In West Milford, during the entire year, the rain falls for 152.2 days and collects up to 26.34" (669mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in West Milford. In December, in West Milford, it is snowing for 5.5 days. Throughout December, 2.68" (68mm) of snow is accumulated. Throughout the year, in West Milford, there are 32 snowfall days, and 17.05" (433mm) of snow is accumulated.Daylight
With an average of 9h and 18min of daylight, December has the shortest days of the year in West Milford.On the first day of December, sunrise is at 7:03 am and sunset at 4:29 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 4:38 pm EST.
Sunshine
In West Milford, the average sunshine in December is 4.8h.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in West Milford, New Jersey. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for average individuals.Note: During December, 2 as the daily maximum UV index converts into the following advice:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
West Milford, NJ
- Average high temperature in December: 38.8°F
The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (33.3°F).
- Average low temperature in December: 27.9°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).
Average pressure in December
West Milford, NJ
- Average pressure in December: 30.07"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
West Milford, NJ
- Average wind speed in December: 7mph
The windiest months (with the highest average wind speed) are January, February and March (7.6mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in December
West Milford, NJ
- Average humidity in December: 81%
The months with the highest relative humidity are February, October and December (81%).
The month with the lowest relative humidity is April (75%).
Average rainfall in December
West Milford, NJ
- Average rainfall in December: 2.32"
The wettest month (with the highest rainfall) is July (2.95").
The driest months (with the least rainfall) are January, February and September (1.54").
Average rainfall days in December
West Milford, NJ
- Average rainfall days in December: 9.2 days
The month with the highest number of rainy days is July (17.5 days).
The month with the least rainy days is January (6.9 days).
Average snowfall in December
West Milford, NJ
- Average snowfall in December: 2.68"
The month with the highest snowfall is February (4.37").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
West Milford, NJ
- Average snowfall days in December: 5.5 days
The month with the highest number of snowfall days is February (9.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
West Milford, NJ
- Average daylight in December: 9h and 18min
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).
- Average sunshine in December: 4h and 48min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).
Average sunshine days in December
West Milford, NJ
- Average sunshine days in December: 16.8 days
The months with the most sunshine days are January and November (18.6 days).
The months with the least sunshine days are June and July (11.3 days).
Average UV index in December
West Milford, NJ
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in December
West Milford, NJ
- Average cloud cover in December: 49
The months with the most cloud cover are February and March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in December
West Milford, NJ
- Average visibility in December: 6mi
The months with the highest visibility are April, August, November and December (6mi).
The months with the lowest visibility are January, February, March, May, June, July, September and October (5mi).
