December weather forecastFrancis, UT
December
Weather in December
The first month of the winter, December, is still a freezing cold month in Francis, Utah, with an average temperature ranging between min 10.8°F (-11.8°C) and max 27.3°F (-2.6°C).Temperature
December is the coldest month, with an average high-temperature of 27.3°F (-2.6°C) and an average low-temperature of 10.8°F (-11.8°C).Humidity
The average relative humidity in December is 85%.Rainfall
The months with the most rainfall are February and December, with an average 2.13" (54mm) of precipitation.Snowfall
Months with snowfall are January through June, September through December. December is the month with the most snowfall. Snow falls for 16.4 days and accumulates 17.24" (438mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 18min of daylight.On the first day of the month, sunrise is at 7:30 am and sunset at 4:58 pm. On the last day of December, sunrise is at 7:48 am and sunset at 5:08 pm MST.
Sunshine
In December, the average sunshine is 5.4h.UV index
The average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum daily UV index of 2 in December interprets into the following recommendations:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Francis, UT
- Average high temperature in December: 27.3°F
The warmest month (with the highest average high temperature) is July (77.4°F).
The month with the lowest average high temperature is December (27.3°F).
- Average low temperature in December: 10.8°F
The month with the highest average low temperature is July (50.5°F).
The coldest month (with the lowest average low temperature) is January (9.5°F).
Average pressure in December
Francis, UT
- Average pressure in December: 30.22"Hg
The month with the highest atmospheric pressure is January (30.27"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in December
Francis, UT
- Average wind speed in December: 5mph
The windiest month (with the highest average wind speed) is June (6.3mph).
The calmest month (with the lowest average wind speed) is January (4.8mph).
Average humidity in December
Francis, UT
- Average humidity in December: 85%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is August (45%).
Average rainfall in December
Francis, UT
- Average rainfall in December: 2.13"
The wettest months (with the highest rainfall) are February and December (2.13").
The driest month (with the least rainfall) is September (0.67").
Average rainfall days in December
Francis, UT
- Average rainfall days in December: 6.7 days
The month with the highest number of rainy days is May (11.6 days).
The month with the least rainy days is November (4 days).
Average snowfall in December
Francis, UT
- Average snowfall in December: 17.24"
The month with the highest snowfall is December (17.24").
The months with the least snowfall are July and August (0").
Average snowfall days in December
Francis, UT
- Average snowfall days in December: 16.4 days
The month with the highest number of snowfall days is February (18.5 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in December /
Average sunshine in December
Francis, UT
- Average daylight in December: 9h and 18min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in December: 5h and 24min
The month with the most sunshine is August (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 5h and 12min).
Average sunshine days in December
Francis, UT
- Average sunshine days in December: 13.8 days
The months with the most sunshine days are June and October (20.3 days).
The month with the least sunshine days is February (9.2 days).
Average UV index in December
Francis, UT
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is February (UV index 1).
Average cloud cover in December
Francis, UT
- Average cloud cover in December: 45
The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 11).
Average visibility in December
Francis, UT
- Average visibility in December: 4mi
The months with the highest visibility are May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (4mi).





