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
The commencement of December indicates a gentle shift in the average high-temperature, receding from November's cool 51.8°F (11°C) to a frosty 43°F (6.1°C). Throughout December nights, Post Corner experiences a consistent temperature average of 31.1°F (-0.5°C).Humidity
The average relative humidity in December in Post Corner is 78%.Rainfall
In Post Corner, New Jersey, in December, during 8.2 rainfall days, 1.26" (32mm) of precipitation is typically accumulated. Throughout the year, there are 119.3 rainfall days, and 12.72" (323mm) of precipitation is accumulated.Snowfall
January through May, November and December are months with snowfall in Post Corner. In Post Corner, in December, snow falls for 2.7 days, with typically accumulated 0.75" (19mm) of snow. In Post Corner, during the entire year, snow falls for 16.4 days and aggregates up to 4.41" (112mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 24min of daylight.On the first day of the month, sunrise is at 7:02 am and sunset at 4:33 pm. On the last day of December, sunrise is at 7:21 am and sunset at 4:42 pm EST.
Sunshine
In Post Corner, 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 in Post Corner. A UV Index of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum UV index of 2 during December leads to these instructions:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. To protect against the Sun's most potent rays, avoid direct exposure around midday. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Frequently asked questions
Is it cold in Post Corner during December?
What is the average humidity in December in Post Corner?
How many days does it rain in December in Post Corner?
How much does it snow in Post Corner in December?
What is the month with the shortest days in Post Corner?
What is the average length of the day in December in Post Corner?
When is the sunrise / sunset in December in Post Corner?
How many hours of sunshine does Post Corner have in December?
What is the month with the lowest UV index in Post Corner?
How high is the UV index in December in Post Corner?
Average temperature in December
Post Corner, NJ
- Average high temperature in December: 43°F
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (36.9°F).
- Average low temperature in December: 31.1°F
The month with the highest average low temperature is July (66.9°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure in December
Post Corner, 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
Post Corner, NJ
- Average wind speed in December: 7.8mph
The windiest month (with the highest average wind speed) is March (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).
Average humidity in December
Post Corner, NJ
- Average humidity in December: 78%
The month with the highest relative humidity is October (79%).
The month with the lowest relative humidity is April (73%).
Average rainfall in December
Post Corner, NJ
- Average rainfall in December: 1.26"
The wettest month (with the highest rainfall) is July (1.69").
The driest month (with the least rainfall) is September (0.67").
Average rainfall days in December
Post Corner, NJ
- Average rainfall days in December: 8.2 days
The month with the highest number of rainy days is July (13.9 days).
The month with the least rainy days is January (6.1 days).
Average snowfall in December
Post Corner, NJ
- Average snowfall in December: 0.75"
The month with the highest snowfall is March (1.42").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in December
Post Corner, NJ
- Average snowfall days in December: 2.7 days
The month with the highest number of snowfall days is January (4.6 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
Post Corner, 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 30min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in December
Post Corner, NJ
- Average sunshine days in December: 20.5 days
The month with the most sunshine days is January (21.8 days).
The month with the least sunshine days is July (13.3 days).
Average UV index in December
Post Corner, 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
Post Corner, 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 33).
Average visibility in December
Post Corner, NJ
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
Post Corner, New Jersey, USA
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