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, with average temperatures reaching a high of 31.3°F (-0.4°C) and a low of 18.1°F (-7.7°C), is the coldest month in Douglas.Humidity
The average relative humidity in December is 71%.Rainfall
In Douglas, in December, during 5 rainfall days, 0.71" (18mm) of precipitation is typically accumulated. Throughout the year, there are 93.9 rainfall days, and 12.09" (307mm) of precipitation is accumulated.Snowfall
January through May, September through December are months with snowfall. In Douglas, in December, snow falls for 11.5 days, with typically accumulated 4.21" (107mm) of snow. Throughout the year, in Douglas, there are 60.9 snowfall days, and 34.21" (869mm) 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 the month, sunrise is at 7:13 am and sunset at 4:28 pm. On the last day of December, in Douglas, Wyoming, sunrise is at 7:31 am and sunset at 4:37 pm MST.
Sunshine
In Douglas, the average sunshine in December is 6.6h.UV index
January, February, April, 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 health risk from exposure to the Sun's UV rays for average individuals.Note: The UV index of 2 during December leads to these advisories:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What time of the year is the coldest in Douglas?
How cold is December in Douglas?
What is the average humidity in December in Douglas?
How much does it rain in Douglas in December?
How much does it snow in Douglas in December?
What is the month with the shortest days in Douglas?
What is the average length of the day in December in Douglas?
When is the sunrise / sunset in December in Douglas?
How long on average sun shines in December in Douglas?
What is the month with the lowest UV index in Douglas?
What is the UV index intensity in December in Douglas?
Average temperature in December
Douglas, WY
- Average high temperature in December: 31.3°F
The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is December (31.3°F).
- Average low temperature in December: 18.1°F
The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is December (18.1°F).
Average pressure in December
Douglas, WY
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in December
Douglas, WY
- Average wind speed in December: 12.2mph
The windiest month (with the highest average wind speed) is January (12.9mph).
The calmest month (with the lowest average wind speed) is August (8.9mph).
Average humidity in December
Douglas, WY
- Average humidity in December: 71%
The month with the highest relative humidity is February (73%).
The month with the lowest relative humidity is August (40%).
Average rainfall in December
Douglas, WY
- Average rainfall in December: 0.71"
The wettest month (with the highest rainfall) is May (2.28").
The driest month (with the least rainfall) is September (0.43").
Average rainfall days in December
Douglas, WY
- Average rainfall days in December: 5 days
The month with the highest number of rainy days is May (15.2 days).
The month with the least rainy days is January (4.3 days).
Average snowfall in December
Douglas, WY
- Average snowfall in December: 4.21"
The month with the highest snowfall is April (5.59").
The months with the least snowfall are June, July and August (0").
Average snowfall days in December
Douglas, WY
- Average snowfall days in December: 11.5 days
The month with the highest number of snowfall days is February (12.2 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Douglas, WY
- Average daylight in December: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in December: 6h and 4min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is February (Average sunshine: 6h and 18min).
Average sunshine days in December
Douglas, WY
- Average sunshine days in December: 18.4 days
The month with the most sunshine days is October (21.6 days).
The month with the least sunshine days is April (11.3 days).
Average UV index in December
Douglas, WY
- Average UV index in December: 2
The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January, February, April, November and December (UV index 2).
Average cloud cover in December
Douglas, WY
- Average cloud cover in December: 30
The month with the most cloud cover is February (Cloud cover 34).
The month with the least cloud cover is August (Cloud cover 13).
Average visibility in December
Douglas, 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).
Douglas, Wyoming, USA
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