December weather forecastFrontier, WY
December
Weather in December
December, the first month of the winter in Frontier, is also a subzero cold month, with temperature in the range of an average low of 10°F (-12.2°C) and an average high of 25.7°F (-3.5°C).Temperature
With its high average temperature of 25.7°F (-3.5°C) and a low of 10°F (-12.2°C), December is regarded as the coldest month.Humidity
In Frontier, Wyoming, the average relative humidity in December is 85%.Rainfall
In December, the rain falls for 6.4 days. Throughout December, 0.83" (21mm) of precipitation is accumulated. Throughout the year, there are 96.8 rainfall days, and 11.46" (291mm) of precipitation is accumulated.Snowfall
January through June, September through December are months with snowfall. In Frontier, in December, during 13.5 snowfall days, 4.84" (123mm) of snow is typically accumulated. Throughout the year, there are 88.9 snowfall days, and 38.86" (987mm) 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 7:30 am and sunset at 4:52 pm. On the last day of the month, sunrise is at 7:49 am and sunset at 5:01 pm MST.
Sunshine
In Frontier, the average sunshine in December is 5.9h.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 reading of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: During December, 2 as the daily maximum UV index converts into the following advice:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Consider this! The reflection from snow 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
Frontier, WY
- Average high temperature in December: 25.7°F
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is December (25.7°F).
- Average low temperature in December: 10°F
The month with the highest average low temperature is July (55°F).
The coldest month (with the lowest average low temperature) is January (9.9°F).
Average pressure in December
Frontier, WY
- Average pressure in December: 30.24"Hg
The month with the highest atmospheric pressure is January (30.29"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in December
Frontier, WY
- Average wind speed in December: 7.8mph
The windiest month (with the highest average wind speed) is April (9.8mph).
The calmest month (with the lowest average wind speed) is July (7.5mph).
Average humidity in December
Frontier, WY
- Average humidity in December: 85%
The months with the highest relative humidity are January and February (87%).
The month with the lowest relative humidity is August (35%).
Average rainfall in December
Frontier, WY
- Average rainfall in December: 0.83"
The wettest month (with the highest rainfall) is May (2.01").
The driest month (with the least rainfall) is August (0.59").
Average rainfall days in December
Frontier, WY
- Average rainfall days in December: 6.4 days
The month with the highest number of rainy days is May (13.3 days).
The month with the least rainy days is February (5 days).
Average snowfall in December
Frontier, WY
- Average snowfall in December: 4.84"
The month with the highest snowfall is March (6.81").
The months with the least snowfall are July and August (0").
Average snowfall days in December
Frontier, WY
- Average snowfall days in December: 13.5 days
The month with the highest number of snowfall days is February (15.3 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in December /
Average sunshine in December
Frontier, 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 months with the most sunshine are July and August (Average sunshine: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 5h and 42min).
Average sunshine days in December
Frontier, WY
- Average sunshine days in December: 15.8 days
The month with the most sunshine days is October (19.4 days).
The month with the least sunshine days is April (9.7 days).
Average UV index in December
Frontier, 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
Frontier, WY
- Average cloud cover in December: 43
The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 12).
Average visibility in December
Frontier, WY
- Average visibility in December: 5mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and February (4mi).
