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 arrival of December signals a subtle shift in temperature, down from a fresh 52.9°F (11.6°C) in November to a chilly 45°F (7.2°C). Herbertsville notes an average temperature descent to a cold 37°F (2.8°C) in December, a small shift from its daytime peak.Humidity
The average relative humidity in December is 76%.Rainfall
In Herbertsville, in December, it is raining for 12.2 days, with typically 3.7" (94mm) of accumulated precipitation. Throughout the year, there are 158.1 rainfall days, and 34.13" (867mm) of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall. In Herbertsville, in December, during 2.4 snowfall days, 1.22" (31mm) of snow is typically accumulated. Throughout the year, there are 14.1 snowfall days, and 4.76" (121mm) of snow is accumulated.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 6:59 am and sunset at 4:31 pm. On the last day of December, in Herbertsville, sunrise is at 7:18 am and sunset at 4:41 pm EST.
Sunshine
In Herbertsville, the average sunshine in December is 5.1h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum daily UV index of 2 in December interprets into the following recommendations:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Frequently asked questions
What is the usual temperature for Herbertsville in December?
What is the average humidity in December in Herbertsville?
How many days does it rain in December in Herbertsville?
How many days does it snow in December in Herbertsville?
What is the month with the shortest days in Herbertsville?
How many hours of daylight does Herbertsville have in December?
When is the sunrise / sunset in December in Herbertsville?
How many hours of sunshine does Herbertsville have in December?
When is the lowest UV index in Herbertsville?
How high is the UV index in December in Herbertsville?
Average temperature in December
Herbertsville, NJ
- Average high temperature in December: 45°F
The warmest month (with the highest average high temperature) is July (79.5°F).
The month with the lowest average high temperature is January (38.8°F).
- Average low temperature in December: 37°F
The months with the highest average low temperature are July and August (71.2°F).
The coldest month (with the lowest average low temperature) is January (29.7°F).
Average pressure in December
Herbertsville, 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
Herbertsville, NJ
- Average wind speed in December: 12.4mph
The windiest month (with the highest average wind speed) is January (13mph).
The calmest month (with the lowest average wind speed) is July (8.5mph).
Average humidity in December
Herbertsville, NJ
- Average humidity in December: 76%
The months with the highest relative humidity are May and June (80%).
The months with the lowest relative humidity are January and November (74%).
Average rainfall in December
Herbertsville, NJ
- Average rainfall in December: 3.7"
The wettest month (with the highest rainfall) is July (3.78").
The driest month (with the least rainfall) is January (2.05").
Average rainfall days in December
Herbertsville, NJ
- Average rainfall days in December: 12.2 days
The month with the highest number of rainy days is July (16.6 days).
The month with the least rainy days is January (9.3 days).
Average snowfall in December
Herbertsville, NJ
- Average snowfall in December: 1.22"
The month with the highest snowfall is January (1.3").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Herbertsville, NJ
- Average snowfall days in December: 2.4 days
The month with the highest number of snowfall days is February (4.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Herbertsville, 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 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
Herbertsville, NJ
- Average sunshine days in December: 15.5 days
The month with the most sunshine days is November (17.6 days).
The month with the least sunshine days is July (12.8 days).
Average UV index in December
Herbertsville, 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, November and December (UV index 2).
Average cloud cover in December
Herbertsville, NJ
- Average cloud cover in December: 47
The months with the most cloud cover are February and December (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in December
Herbertsville, 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).
Herbertsville, New Jersey, USA
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