December weather forecastAlpine Junction, WY
December
Weather in December
The first month of the winter, December, is also a subzero cold month in Alpine Junction, Wyoming, with an average temperature varying between 8.8°F (-12.9°C) and 24.3°F (-4.3°C).Temperature
December, with its average high-temperature of 24.3°F (-4.3°C) and an average low-temperature of 8.8°F (-12.9°C), holds the record as the coldest month.Humidity
The average relative humidity in December in Alpine Junction is 91%.Rainfall
In Alpine Junction, during December, the rain falls for 5.8 days and regularly aggregates up to 2.01" (51mm) of precipitation. Throughout the year, in Alpine Junction, there are 127 rainfall days, and 24.29" (617mm) of precipitation is accumulated.Snowfall
January through June, September through December are months with snowfall. In Alpine Junction, during December, snow falls for 22.3 days and regularly aggregates up to 15.83" (402mm) of snow. In Alpine Junction, during the entire year, snow falls for 126.6 days and aggregates up to 110.28" (2801mm) of snow.Daylight
The month with the shortest days in Alpine Junction is December, with an average of 9h and 6min of daylight.On the first day of the month, sunrise is at 7:36 am and sunset at 4:49 pm. On the last day of December, sunrise is at 7:55 am and sunset at 4:59 pm MST.
Sunshine
The average sunshine in December in Alpine Junction, Wyoming, is 4.2h.UV index
January through March, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Alpine Junction. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for average individuals.Note: The maximum daily UV index of 1 in December converts into the following recommendations:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. 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
Alpine Junction, WY
- Average high temperature in December: 24.3°F
The warmest month (with the highest average high temperature) is July (77.5°F).
The month with the lowest average high temperature is December (24.3°F).
- Average low temperature in December: 8.8°F
The months with the highest average low temperature are July and August (45.3°F).
The coldest month (with the lowest average low temperature) is January (7.3°F).
Average pressure in December
Alpine Junction, WY
- Average pressure in December: 30.25"Hg
The month with the highest atmospheric pressure is January (30.28"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in December
Alpine Junction, WY
- Average wind speed in December: 4.4mph
The windiest month (with the highest average wind speed) is June (5.7mph).
The calmest month (with the lowest average wind speed) is January (4.3mph).
Average humidity in December
Alpine Junction, WY
- Average humidity in December: 91%
The month with the highest relative humidity is February (94%).
The month with the lowest relative humidity is August (46%).
Average rainfall in December
Alpine Junction, WY
- Average rainfall in December: 2.01"
The wettest month (with the highest rainfall) is February (2.91").
The driest month (with the least rainfall) is July (0.91").
Average rainfall days in December
Alpine Junction, WY
- Average rainfall days in December: 5.8 days
The month with the highest number of rainy days is May (17.9 days).
The month with the least rainy days is January (4.6 days).
Average snowfall in December
Alpine Junction, WY
- Average snowfall in December: 15.83"
The month with the highest snowfall is February (22.91").
The months with the least snowfall are July and August (0").
Average snowfall days in December
Alpine Junction, WY
- Average snowfall days in December: 22.3 days
The months with the highest number of snowfall days are February and December (22.3 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in December /
Average sunshine in December
Alpine Junction, 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 12min
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 0min).
Average sunshine days in December
Alpine Junction, WY
- Average sunshine days in December: 9.3 days
The month with the most sunshine days is September (16.2 days).
The month with the least sunshine days is April (5.3 days).
Average UV index in December
Alpine Junction, 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
Alpine Junction, WY
- Average cloud cover in December: 61
The month with the most cloud cover is February (Cloud cover 67).
The months with the least cloud cover are July and August (Cloud cover 13).
Average visibility in December
Alpine Junction, WY
- Average visibility in December: 3mi
The months with the highest visibility are May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February and December (3mi).
