Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
Millville in December undergoes a slight reduction in the average high-temperature, shifting from November's fresh 54°F (12.2°C) to a frosty 45.7°F (7.6°C). Throughout the nights in December, Millville experiences an average low-temperature of 34.7°F (1.5°C).Humidity
The average relative humidity in December is 77%.Rainfall
December is the month with the most rainfall. Rain falls for 11.3 days and accumulates 2.76" (70mm) of precipitation.Snowfall
Months with snowfall are January through March, November and December. In Millville, in December, during 2.4 snowfall days, 0.83" (21mm) of snow is typically accumulated. In Millville, during the entire year, snow falls for 13.4 days and aggregates up to 5.91" (150mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 24min of daylight.On the first day of December in Millville, sunrise is at 7:01 am and sunset at 4:37 pm. On the last day of the month, sunrise is at 7:20 am and sunset at 4:46 pm EST.
Sunshine
In December, the average sunshine in Millville is 5.2h.UV index
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum UV index of 2 during December translates into these guidelines:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Millville in December?
What is the average humidity in December?
What is the rainiest month?
How many days does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
What time are sunrise and sunset in December?
How many hours of sunshine does Millville have in December?
When is the lowest UV index?
How high is the UV index in December?
Average temperature in December
Millville, NJ
- Average high temperature in December: 45.7°F
The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is January (39°F).
- Average low temperature in December: 34.7°F
The month with the highest average low temperature is July (69.6°F).
The coldest month (with the lowest average low temperature) is January (28.2°F).
Average pressure in December
Millville, NJ
- Average pressure in December: 30.09"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in December
Millville, NJ
- Average wind speed in December: 8.6mph
The windiest month (with the highest average wind speed) is April (9.5mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).
Average humidity in December
Millville, NJ
- Average humidity in December: 77%
The months with the highest relative humidity are May, June and September (79%).
The month with the lowest relative humidity is April (73%).
Average rainfall in December
Millville, NJ
- Average rainfall in December: 2.76"
The wettest month (with the highest rainfall) is December (2.76").
The driest month (with the least rainfall) is January (1.61").
Average rainfall days in December
Millville, NJ
- Average rainfall days in December: 11.3 days
The month with the highest number of rainy days is July (16.8 days).
The month with the least rainy days is November (9.3 days).
Average snowfall in December
Millville, NJ
- Average snowfall in December: 0.83"
The month with the highest snowfall is March (2.48").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Millville, NJ
- Average snowfall days in December: 2.4 days
The month with the highest number of snowfall days is January (4.2 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Millville, NJ
- Average daylight in December: 9h and 2min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in December: 5h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).
Average sunshine days in December
Millville, NJ
- Average sunshine days in December: 17.2 days
The month with the most sunshine days is November (19.7 days).
The months with the least sunshine days are May and July (13.1 days).
Average UV index in December
Millville, NJ
- Average UV index in December: 2
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in December
Millville, NJ
- Average cloud cover in December: 45
The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 28).
Average visibility in December
Millville, NJ
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Millville, New Jersey, USA
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