December weather forecastFairview, WY
December
Weather in December
December, the first month of the winter in Fairview, is still a freezing cold month, with an average temperature varying between 24.1°F (-4.4°C) and 6.6°F (-14.1°C).Temperature
December is the coldest month of the year, registering average temperatures as high as 24.1°F (-4.4°C) and as low as 6.6°F (-14.1°C).Humidity
The average relative humidity in December is 90%.Rainfall
In Fairview, in December, it is raining for 6.2 days, with typically 2.01" (51mm) of accumulated precipitation. In Fairview, during the entire year, the rain falls for 109.5 days and collects up to 21.61" (549mm) of precipitation.Snowfall
Months with snowfall are January through June, September through December. In December, it is snowing for 21.7 days. Throughout December, 15.51" (394mm) of snow is accumulated. Throughout the year, there are 126.9 snowfall days, and 106.65" (2709mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 6min of daylight.On the first day of December, sunrise is at 7:35 am and sunset at 4:51 pm. On the last day of the month, sunrise is at 7:54 am and sunset at 5:00 pm MST.
Sunshine
The average sunshine in December is 4.8h.UV index
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: The UV index of 1 during December translates into the following guidance:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Opt for tightly woven and loose clothing to enhance protection from the Sun. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Fairview, WY
- Average high temperature in December: 24.1°F
The warmest month (with the highest average high temperature) is July (75.9°F).
The month with the lowest average high temperature is December (24.1°F).
- Average low temperature in December: 6.6°F
The month with the highest average low temperature is July (45.7°F).
The coldest month (with the lowest average low temperature) is January (5.4°F).
Average pressure in December
Fairview, WY
- Average pressure in December: 30.25"Hg
The month with the highest atmospheric pressure is January (30.29"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in December
Fairview, WY
- Average wind speed in December: 4.2mph
The windiest month (with the highest average wind speed) is June (5.7mph).
The calmest months (with the lowest average wind speed) are January and December (4.2mph).
Average humidity in December
Fairview, WY
- Average humidity in December: 90%
The month with the highest relative humidity is February (93%).
The month with the lowest relative humidity is August (45%).
Average rainfall in December
Fairview, WY
- Average rainfall in December: 2.01"
The wettest month (with the highest rainfall) is February (2.72").
The driest months (with the least rainfall) are July and August (0.63").
Average rainfall days in December
Fairview, WY
- Average rainfall days in December: 6.2 days
The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is January (4.7 days).
Average snowfall in December
Fairview, WY
- Average snowfall in December: 15.51"
The month with the highest snowfall is February (19.96").
The months with the least snowfall are July and August (0").
Average snowfall days in December
Fairview, WY
- Average snowfall days in December: 21.7 days
The month with the highest number of snowfall days is December (21.7 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in December /
Average sunshine in December
Fairview, WY
- Average daylight in December: 9h and 6min
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: 4h and 48min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).
Average sunshine days in December
Fairview, WY
- Average sunshine days in December: 9.5 days
The month with the most sunshine days is July (18.8 days).
The month with the least sunshine days is April (7 days).
Average UV index in December
Fairview, WY
- Average UV index in December: 1
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 1).
Average cloud cover in December
Fairview, WY
- Average cloud cover in December: 55
The month with the most cloud cover is February (Cloud cover 63).
The months with the least cloud cover are July and August (Cloud cover 12).
Average visibility in December
Fairview, WY
- Average visibility in December: 4mi
The months with the highest visibility are May, June, July, August, September and October (6mi).
The months with the lowest visibility are January and February (3mi).





