December weather forecastTen Sleep, WY
December
Weather in December
The first month of the winter, December, is also a subzero cold month in Ten Sleep, Wyoming, with an average temperature ranging between max 29.3°F (-1.5°C) and min 14.4°F (-9.8°C).Temperature
Ten Sleep's December weather reaches an average high of 29.3°F (-1.5°C) and an average low of 14.4°F (-9.8°C), making it the coldest month.Humidity
The average relative humidity in December is 75%.Rainfall
The months with the least rainfall are January and December Rain falls for 5.5 days and accumulates 0.31" (8mm) of rain.Snowfall
Months with snowfall are January through May, October through December. In Ten Sleep, Wyoming, in December, during 8.9 snowfall days, 1.65" (42mm) of snow is typically accumulated. In Ten Sleep, during the entire year, snow falls for 44.8 days and aggregates up to 14.49" (368mm) of snow.Daylight
With an average of 9h and 0min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:25 am and sunset at 4:32 pm. On the last day of the month, sunrise is at 7:44 am and sunset at 4:41 pm MST.
Sunshine
In December, the average sunshine is 6.3h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Ten Sleep. A UV Index reading of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for average individuals.Note: The average daily UV index of 2 in December transforms into the following instructions:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Ten Sleep, WY
- Average high temperature in December: 29.3°F
The warmest month (with the highest average high temperature) is July (86.7°F).
The month with the lowest average high temperature is December (29.3°F).
- Average low temperature in December: 14.4°F
The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (13.3°F).
Average pressure in December
Ten Sleep, WY
- Average pressure in December: 30.16"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in December
Ten Sleep, WY
- Average wind speed in December: 5.7mph
The windiest month (with the highest average wind speed) is April (8.2mph).
The calmest month (with the lowest average wind speed) is January (5.3mph).
Average humidity in December
Ten Sleep, WY
- Average humidity in December: 75%
The month with the highest relative humidity is January (81%).
The months with the lowest relative humidity are July and August (32%).
Average rainfall in December
Ten Sleep, WY
- Average rainfall in December: 0.31"
The wettest month (with the highest rainfall) is May (1.42").
The driest months (with the least rainfall) are January and December (0.31").
Average rainfall days in December
Ten Sleep, WY
- Average rainfall days in December: 5.5 days
The month with the highest number of rainy days is May (12.6 days).
The month with the least rainy days is November (4.5 days).
Average snowfall in December
Ten Sleep, WY
- Average snowfall in December: 1.65"
The month with the highest snowfall is February (3.9").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Ten Sleep, WY
- Average snowfall days in December: 8.9 days
The month with the highest number of snowfall days is February (10.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Ten Sleep, WY
- Average daylight in December: 9h and 0min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in December: 6h and 18min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is February (Average sunshine: 6h and 12min).
Average sunshine days in December
Ten Sleep, WY
- Average sunshine days in December: 20.6 days
The month with the most sunshine days is September (22.7 days).
The month with the least sunshine days is April (13.5 days).
Average UV index in December
Ten Sleep, WY
- Average UV index in December: 2
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Ten Sleep, WY
- Average cloud cover in December: 30
The month with the most cloud cover is February (Cloud cover 34).
The months with the least cloud cover are July and August (Cloud cover 12).
Average visibility in December
Ten Sleep, WY
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
