December weather forecastMoorestown, NJ
December
Weather in December
The first month of the winter, December, is still a chilly month in Moorestown, New Jersey, with an average temperature ranging between min 32.9°F (0.5°C) and max 44.2°F (6.8°C).Temperature
December is characterized by a reduction in the average high-temperature, from a fresh 53.2°F (11.8°C) in November to a chilly 44.2°F (6.8°C). In December, Moorestown encounters an average low-temperature of 32.9°F (0.5°C) during the night.Humidity
In Moorestown, the average relative humidity in December is 76%.Rainfall
In Moorestown, in December, it is raining for 7.4 days, with typically 1.1" (28mm) of accumulated precipitation. In Moorestown, during the entire year, the rain falls for 121.5 days and collects up to 12.44" (316mm) of precipitation.Snowfall
Months with snowfall in Moorestown are January through May, November and December. In December, it is snowing for 1.5 days. Throughout December, 0.16" (4mm) of snow is accumulated. In Moorestown, during the entire year, snow falls for 10.3 days and aggregates up to 2.36" (60mm) of snow.Daylight
With an average of 9h and 24min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:02 am and sunset at 4:35 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 4:44 pm EST.
Sunshine
In Moorestown, the average sunshine in December is 5h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: The maximum daily UV index of 2 in December interprets into the following recommendations:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. To cut down UV radiation exposure by about half, sport a wide-brim hat. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Moorestown, NJ
- Average high temperature in December: 44.2°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (37.8°F).
- Average low temperature in December: 32.9°F
The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (25.5°F).
Average pressure in December
Moorestown, 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
Moorestown, NJ
- Average wind speed in December: 7.6mph
The windiest months (with the highest average wind speed) are March and April (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).
Average humidity in December
Moorestown, NJ
- Average humidity in December: 76%
The month with the highest relative humidity is October (77%).
The month with the lowest relative humidity is April (70%).
Average rainfall in December
Moorestown, NJ
- Average rainfall in December: 1.1"
The wettest month (with the highest rainfall) is August (1.46").
The driest month (with the least rainfall) is January (0.67").
Average rainfall days in December
Moorestown, NJ
- Average rainfall days in December: 7.4 days
The month with the highest number of rainy days is July (14.4 days).
The month with the least rainy days is November (6.6 days).
Average snowfall in December
Moorestown, NJ
- Average snowfall in December: 0.16"
The month with the highest snowfall is February (0.79").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in December
Moorestown, NJ
- Average snowfall days in December: 1.5 days
The month with the highest number of snowfall days is January (3.6 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Moorestown, NJ
- Average daylight in December: 9h and 24min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in December: 5h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in December
Moorestown, NJ
- Average sunshine days in December: 21.5 days
The month with the most sunshine days is December (21.5 days).
The month with the least sunshine days is July (14 days).
Average UV index in December
Moorestown, 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, November and December (UV index 2).
Average cloud cover in December
Moorestown, NJ
- Average cloud cover in December: 47
The month with the most cloud cover is February (Cloud cover 48).
The months with the least cloud cover are July and August (Cloud cover 32).
Average visibility in December
Moorestown, 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).
