December weather forecastFort Bridger, WY
December
Weather in December
The first month of the winter, December, is also a subzero cold month in Fort Bridger, Wyoming, with an average temperature fluctuating between 26.6°F (-3°C) and 12.6°F (-10.8°C).Temperature
Temperature readings reach their annual highs in December, averaging 26.6°F (-3°C) and a minimum average of 12.6°F (-10.8°C).Humidity
In December, the average relative humidity is 80%.Rainfall
In Fort Bridger, during December, the rain falls for 8.3 days and regularly aggregates up to 0.79" (20mm) of precipitation. In Fort Bridger, during the entire year, the rain falls for 112.2 days and collects up to 11.57" (294mm) of precipitation.Snowfall
Months with snowfall are January through June, September through December. In Fort Bridger, during December, snow falls for 13.3 days and regularly aggregates up to 5.79" (147mm) of snow. In Fort Bridger, during the entire year, snow falls for 85.7 days and aggregates up to 41.18" (1046mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 18min of daylight.On the first day of December, sunrise is at 7:28 am and sunset at 4:53 pm. On the last day of the month, sunrise is at 7:47 am and sunset at 5:02 pm MST.
Sunshine
With an average of 6.4h 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. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for average individuals.Note: A daily maximum UV index of 2 in December translates into the following instructions:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Fort Bridger, WY
- Average high temperature in December: 26.6°F
The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is December (26.6°F).
- Average low temperature in December: 12.6°F
The month with the highest average low temperature is July (55.6°F).
The coldest month (with the lowest average low temperature) is January (12.2°F).
Average pressure in December
Fort Bridger, WY
- Average pressure in December: 30.24"Hg
The month with the highest atmospheric pressure is January (30.28"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in December
Fort Bridger, WY
- Average wind speed in December: 8.9mph
The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is July (7.6mph).
Average humidity in December
Fort Bridger, WY
- Average humidity in December: 80%
The months with the highest relative humidity are January and February (82%).
The months with the lowest relative humidity are July and August (36%).
Average rainfall in December
Fort Bridger, WY
- Average rainfall in December: 0.79"
The wettest month (with the highest rainfall) is May (2.01").
The driest months (with the least rainfall) are January and July (0.63").
Average rainfall days in December
Fort Bridger, WY
- Average rainfall days in December: 8.3 days
The month with the highest number of rainy days is May (16.1 days).
The month with the least rainy days is November (6 days).
Average snowfall in December
Fort Bridger, WY
- Average snowfall in December: 5.79"
The month with the highest snowfall is March (8.78").
The months with the least snowfall are July and August (0").
Average snowfall days in December
Fort Bridger, WY
- Average snowfall days in December: 13.3 days
The month with the highest number of snowfall days is March (15.1 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in December /
Average sunshine in December
Fort Bridger, WY
- Average daylight in December: 9h and 18min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in December: 6h and 24min
The months with the most sunshine are July and August (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 6h and 24min).
Average sunshine days in December
Fort Bridger, WY
- Average sunshine days in December: 15.7 days
The month with the most sunshine days is October (19.2 days).
The month with the least sunshine days is April (9.4 days).
Average UV index in December
Fort Bridger, WY
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, April, October, November and December (UV index 2).
Average cloud cover in December
Fort Bridger, WY
- Average cloud cover in December: 33
The month with the most cloud cover is February (Cloud cover 36).
The month with the least cloud cover is August (Cloud cover 12).
Average visibility in December
Fort Bridger, WY
- Average visibility in December: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).
