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
December reveals a small adjustment in temperature, transitioning from an average high of a fresh 52.5°F (11.4°C) in November to a chilly 43.9°F (6.6°C). December nights cool down to an average low-temperature of 32.7°F (0.4°C).Humidity
In Perrineville, the average relative humidity in December is 78%.Rainfall
In December, in Perrineville, the rain falls for 11 days. Throughout December, 2.95" (75mm) of precipitation is accumulated. Throughout the year, in Perrineville, New Jersey, there are 154.3 rainfall days, and 29.25" (743mm) of precipitation is accumulated.Snowfall
January through May, November and December are months with snowfall. In Perrineville, New Jersey, during December, snow falls for 3.2 days and regularly aggregates up to 1.14" (29mm) of snow. In Perrineville, during the entire year, snow falls for 18.9 days and aggregates up to 8.39" (213mm) of snow.Daylight
December has the shortest days of the year in Perrineville, with an average of 9h and 24min of daylight.On the first day of December in Perrineville, sunrise is at 7:01 am and sunset at 4:32 pm. On the last day of the month, sunrise is at 7:20 am and sunset at 4:42 pm EST.
Sunshine
In Perrineville, the average sunshine in December is 5h.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: In December, the average maximum UV index of 2 translates into the following recommendations:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Frequently asked questions
How cold is it in Perrineville in December?
What is the average humidity in December in Perrineville?
How much does it rain in Perrineville in December?
How many days does it snow in December in Perrineville?
What is the month with the shortest days in Perrineville?
What is the average length of the day in December in Perrineville?
When is the sunrise / sunset in December in Perrineville?
How long on average sun shines in December in Perrineville?
What are the months with the lowest UV index in Perrineville?
How high is the UV index in December in Perrineville?
Average temperature in December
Perrineville, NJ
- Average high temperature in December: 43.9°F
The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (37.4°F).
- Average low temperature in December: 32.7°F
The month with the highest average low temperature is July (67.8°F).
The coldest month (with the lowest average low temperature) is January (25.3°F).
Average pressure in December
Perrineville, 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
Perrineville, NJ
- Average wind speed in December: 8.5mph
The windiest month (with the highest average wind speed) is March (9.3mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).
Average humidity in December
Perrineville, NJ
- Average humidity in December: 78%
The months with the highest relative humidity are June and October (79%).
The month with the lowest relative humidity is April (73%).
Average rainfall in December
Perrineville, NJ
- Average rainfall in December: 2.95"
The wettest month (with the highest rainfall) is July (3.5").
The driest month (with the least rainfall) is September (1.69").
Average rainfall days in December
Perrineville, NJ
- Average rainfall days in December: 11 days
The month with the highest number of rainy days is July (18 days).
The month with the least rainy days is January (8.4 days).
Average snowfall in December
Perrineville, NJ
- Average snowfall in December: 1.14"
The month with the highest snowfall is March (3.23").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in December
Perrineville, NJ
- Average snowfall days in December: 3.2 days
The month with the highest number of snowfall days is January (5.3 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
Perrineville, NJ
- Average daylight in December: 9h and 2min
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
Perrineville, NJ
- Average sunshine days in December: 18.4 days
The month with the most sunshine days is November (19 days).
The month with the least sunshine days is July (10.8 days).
Average UV index in December
Perrineville, 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
Perrineville, NJ
- Average cloud cover in December: 47
The months with the most cloud cover are February, March and December (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 31).
Average visibility in December
Perrineville, 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).
Perrineville, New Jersey, USA
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