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, marked by an average high-temperature of 28.4°F (-2°C) and a low-temperature of 13.1°F (-10.5°C), is the coldest month.Humidity
In December, the average relative humidity is 74%.Rainfall
In Atlantic City, during December, the rain falls for 6.8 days and regularly aggregates up to 0.51" (13mm) of precipitation. Throughout the year, there are 92 rainfall days, and 10.2" (259mm) of precipitation is accumulated.Snowfall
January through May, September through December are months with snowfall. In Atlantic City, in December, snow falls for 9.9 days, with typically accumulated 3.58" (91mm) of snow. Throughout the year, there are 56.8 snowfall days, and 40.94" (1040mm) of snow is accumulated.Daylight
With an average of 9h and 6min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:25 am and sunset at 4:42 pm. On the last day of the month, sunrise is at 7:44 am and sunset at 4:52 pm MST.
Sunshine
With an average of 6.8h of sunshine, December has the least sunshine of the year.UV index
January through April, October through December, with an average maximum UV index of 2, are months with the lowest UV index in Atlantic City. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for the average person.Note: In December, the UV index of 2 transforms into the following advice:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the coldest months?
How cold is it in December?
What is the average humidity in December?
How many days does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
When is the sunrise / sunset in December?
What is the month with the least sunshine?
How many hours of sunshine does Atlantic City have in December?
When is the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Atlantic City, WY
- Average high temperature in December: 28.4°F
The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is December (28.4°F).
- Average low temperature in December: 13.1°F
The month with the highest average low temperature is July (56.8°F).
The coldest month (with the lowest average low temperature) is December (13.1°F).
Average pressure in December
Atlantic City, WY
- Average pressure in December: 30.21"Hg
The month with the highest atmospheric pressure is January (30.23"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in December
Atlantic City, WY
- Average wind speed in December: 7.2mph
The windiest month (with the highest average wind speed) is March (7.7mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).
Average humidity in December
Atlantic City, WY
- Average humidity in December: 74%
The month with the highest relative humidity is February (78%).
The month with the lowest relative humidity is August (34%).
Average rainfall in December
Atlantic City, WY
- Average rainfall in December: 0.51"
The wettest month (with the highest rainfall) is April (1.81").
The driest month (with the least rainfall) is January (0.43").
Average rainfall days in December
Atlantic City, WY
- Average rainfall days in December: 6.8 days
The month with the highest number of rainy days is May (12.8 days).
The month with the least rainy days is November (4.8 days).
Average snowfall in December
Atlantic City, WY
- Average snowfall in December: 3.58"
The month with the highest snowfall is April (8.15").
The months with the least snowfall are June, July and August (0").
Average snowfall days in December
Atlantic City, WY
- Average snowfall days in December: 9.9 days
The month with the highest number of snowfall days is February (10.1 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Atlantic City, WY
- Average daylight in December: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in December: 6h and 5min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 48min).
Average sunshine days in December
Atlantic City, WY
- Average sunshine days in December: 19.1 days
The month with the most sunshine days is September (22 days).
The month with the least sunshine days is April (12.3 days).
Average UV index in December
Atlantic City, WY
- Average UV index in December: 2
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, April, October, November and December (UV index 2).
Average cloud cover in December
Atlantic City, WY
- Average cloud cover in December: 25
The months with the most cloud cover are February and April (Cloud cover 28).
The months with the least cloud cover are July and August (Cloud cover 12).
Average visibility in December
Atlantic City, WY
- 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).
Atlantic City, Wyoming, USA
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