December weather forecastMiddleville, NJ
December
Weather in December
The first month of the winter, December, is also a wintry month in Middleville, New Jersey, with an average temperature varying between 38.5°F (3.6°C) and 27.3°F (-2.6°C).Temperature
December involves a decrease in temperature, down from a chilly 48.2°F (9°C) in November to a cold 38.5°F (3.6°C). Middleville records an average low of 27.3°F (-2.6°C) throughout the nights in December.Humidity
February and December, with an average relative humidity of 82%, are the most humid months in Middleville.Rainfall
In Middleville, New Jersey, in December, during 5.6 rainfall days, 0.67" (17mm) of precipitation is typically accumulated. Throughout the year, in Middleville, there are 89.8 rainfall days, and 8.07" (205mm) of precipitation is accumulated.Snowfall
Months with snowfall in Middleville are January through May, October through December. In Middleville, in December, snow falls for 3.4 days, with typically accumulated 0.71" (18mm) of snow. In Middleville, during the entire year, snow falls for 22.7 days and aggregates up to 3.54" (90mm) of snow.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 Middleville, New Jersey, sunrise is at 7:05 am and sunset at 4:31 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 4:41 pm EST.
Sunshine
In December, the average sunshine is 4.6h.UV index
With an average maximum UV index of 1, December is the month with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: In December, a daily UV index of 1 turns into the following recommendations:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Middleville, NJ
- Average high temperature in December: 38.5°F
The warmest month (with the highest average high temperature) is July (82.8°F).
The month with the lowest average high temperature is January (33.3°F).
- Average low temperature in December: 27.3°F
The month with the highest average low temperature is July (61.7°F).
The coldest month (with the lowest average low temperature) is January (20.1°F).
Average pressure in December
Middleville, NJ
- Average pressure in December: 30.08"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
Middleville, NJ
- Average wind speed in December: 7.1mph
The windiest month (with the highest average wind speed) is March (7.8mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).
Average humidity in December
Middleville, NJ
- Average humidity in December: 82%
The months with the highest relative humidity are February and December (82%).
The month with the lowest relative humidity is April (76%).
Average rainfall in December
Middleville, NJ
- Average rainfall in December: 0.67"
The wettest month (with the highest rainfall) is July (0.98").
The driest month (with the least rainfall) is September (0.24").
Average rainfall days in December
Middleville, NJ
- Average rainfall days in December: 5.6 days
The months with the highest number of rainy days are April and May (10.5 days).
The month with the least rainy days is February (4.5 days).
Average snowfall in December
Middleville, NJ
- Average snowfall in December: 0.71"
The months with the highest snowfall are January and February (0.91").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Middleville, NJ
- Average snowfall days in December: 3.4 days
The month with the highest number of snowfall days is February (7.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Middleville, 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 36min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 18min).
Average sunshine days in December
Middleville, NJ
- Average sunshine days in December: 23.1 days
The month with the most sunshine days is September (23.2 days).
The month with the least sunshine days is April (18 days).
Average UV index in December
Middleville, NJ
- Average UV index in December: 1
The month with the highest UV index is June (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Middleville, NJ
- Average cloud cover in December: 51
The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is July (Cloud cover 37).
Average visibility in December
Middleville, NJ
- Average visibility in December: 5mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October, November and December (5mi).





