December weather forecastBitter Creek, WY
December
Weather in December
The first month of the winter, December, is still a freezing cold month in Bitter Creek, Wyoming, with an average temperature ranging between min 11.5°F (-11.4°C) and max 25.7°F (-3.5°C).Temperature
The coldest time of the year is December, with temperatures averaging a high of 25.7°F (-3.5°C) and a low of 11.5°F (-11.4°C).Humidity
In December, the average relative humidity in Bitter Creek is 82%.Rainfall
In Bitter Creek, during December, the rain falls for 4.7 days and regularly aggregates up to 0.71" (18mm) of precipitation. Throughout the year, there are 93.5 rainfall days, and 10.31" (262mm) of precipitation is accumulated.Snowfall
January through June, September through December are months with snowfall. In Bitter Creek, in December, during 13.5 snowfall days, 4.37" (111mm) of snow is typically accumulated. Throughout the year, there are 75.5 snowfall days, and 30.16" (766mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 12min of daylight.On the first day of December, sunrise is at 7:22 am and sunset at 4:45 pm. On the last day of the month, sunrise is at 7:40 am and sunset at 4:54 pm MST.
Sunshine
The months with the least sunshine are January and December, with an average of 5.9h of sunshine.UV index
The months with the lowest UV index are January through April, October through December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: In December, the maximum UV index of 2 suggests these recommendations:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Bitter Creek, WY
- Average high temperature in December: 25.7°F
The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is December (25.7°F).
- Average low temperature in December: 11.5°F
The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is January (10.8°F).
Average pressure in December
Bitter Creek, 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 (29.89"Hg).
Average wind speed in December
Bitter Creek, WY
- Average wind speed in December: 9.3mph
The windiest month (with the highest average wind speed) is April (12.2mph).
The calmest month (with the lowest average wind speed) is August (8.7mph).
Average humidity in December
Bitter Creek, WY
- Average humidity in December: 82%
The month with the highest relative humidity is January (84%).
The months with the lowest relative humidity are July and August (31%).
Average rainfall in December
Bitter Creek, WY
- Average rainfall in December: 0.71"
The wettest month (with the highest rainfall) is May (1.5").
The driest month (with the least rainfall) is July (0.47").
Average rainfall days in December
Bitter Creek, WY
- Average rainfall days in December: 4.7 days
The month with the highest number of rainy days is May (13.8 days).
The month with the least rainy days is December (4.7 days).
Average snowfall in December
Bitter Creek, WY
- Average snowfall in December: 4.37"
The month with the highest snowfall is March (6.14").
The months with the least snowfall are July and August (0").
Average snowfall days in December
Bitter Creek, WY
- Average snowfall days in December: 13.5 days
The month with the highest number of snowfall days is December (13.5 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in December /
Average sunshine in December
Bitter Creek, WY
- Average daylight in December: 9h and 12min
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 12min).
- Average sunshine in December: 5h and 54min
The months with the most sunshine are July and August (Average sunshine: 11h and 48min).
The months with the least sunshine are January and December (Average sunshine: 5h and 54min).
Average sunshine days in December
Bitter Creek, WY
- Average sunshine days in December: 16.4 days
The month with the most sunshine days is September (19.8 days).
The month with the least sunshine days is April (11.5 days).
Average UV index in December
Bitter Creek, 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
Bitter Creek, 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
Bitter Creek, WY
- Average visibility in December: 5mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (5mi).





