December weather forecastEdson, WY
December
Weather in December
The first month of the winter, December, is still a freezing cold month in Edson, Wyoming, with an average temperature fluctuating between 13.1°F (-10.5°C) and 26.4°F (-3.1°C).Temperature
December, with average temperatures reaching a high of 26.4°F (-3.1°C) and a low of 13.1°F (-10.5°C), is the coldest month.Humidity
In December, the average relative humidity in Edson is 81%.Rainfall
In Edson, in December, during 4.5 rainfall days, 0.55" (14mm) of precipitation is typically accumulated. In Edson, Wyoming, during the entire year, the rain falls for 80.5 days and collects up to 8.39" (213mm) of precipitation.Snowfall
Months with snowfall in Edson, Wyoming, are January through May, September through December. In December, in Edson, it is snowing for 11.5 days. Throughout December, 3.78" (96mm) of snow is accumulated. Throughout the year, there are 70.3 snowfall days, and 29.57" (751mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 12min of daylight.On the first day of December in Edson, sunrise is at 7:15 am and sunset at 4:37 pm. On the last day of the month, sunrise is at 7:34 am and sunset at 4:46 pm MST.
Sunshine
The months with the least sunshine in Edson, Wyoming, are February and December, with an average of 5.9h of sunshine.UV index
January through April, October through 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 threat to health from unsafe exposure to UV radiation for the ordinary person.Note: A maximum high UV index of 2 in December translates into the following recommendations:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Edson, WY
- Average high temperature in December: 26.4°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 (26.4°F).
- Average low temperature in December: 13.1°F
The month with the highest average low temperature is July (58.3°F).
The coldest month (with the lowest average low temperature) is December (13.1°F).
Average pressure in December
Edson, WY
- Average pressure in December: 30.19"Hg
The month with the highest atmospheric pressure is January (30.21"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in December
Edson, WY
- Average wind speed in December: 11.7mph
The windiest month (with the highest average wind speed) is November (12.4mph).
The calmest months (with the lowest average wind speed) are July and August (9.3mph).
Average humidity in December
Edson, WY
- Average humidity in December: 81%
The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is August (34%).
Average rainfall in December
Edson, WY
- Average rainfall in December: 0.55"
The wettest month (with the highest rainfall) is April (1.34").
The driest month (with the least rainfall) is August (0.24").
Average rainfall days in December
Edson, WY
- Average rainfall days in December: 4.5 days
The month with the highest number of rainy days is May (12.3 days).
The month with the least rainy days is February (4.3 days).
Average snowfall in December
Edson, WY
- Average snowfall in December: 3.78"
The month with the highest snowfall is March (5.47").
The months with the least snowfall are June, July and August (0").
Average snowfall days in December
Edson, WY
- Average snowfall days in December: 11.5 days
The month with the highest number of snowfall days is February (12.5 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Edson, WY
- Average daylight in December: 9h and 12min
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 12min).
- Average sunshine in December: 5h and 54min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The months with the least sunshine are February and December (Average sunshine: 5h and 54min).
Average sunshine days in December
Edson, WY
- Average sunshine days in December: 17.4 days
The month with the most sunshine days is August (23.6 days).
The month with the least sunshine days is April (12.6 days).
Average UV index in December
Edson, 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
Edson, WY
- Average cloud cover in December: 41
The month with the most cloud cover is February (Cloud cover 43).
The month with the least cloud cover is August (Cloud cover 13).
Average visibility in December
Edson, WY
- Average visibility in December: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is December (5mi).
