Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
In Alpine, the month of December is known for its lowest average temperatures, reaching a high of 24.3°F (-4.3°C) and a low of 8.8°F (-12.9°C).Humidity
In December, the average relative humidity is 91%.Rainfall
In Alpine, Wyoming, in December, during 5.8 rainfall days, 2.01" (51mm) of precipitation is typically accumulated. In Alpine, during the entire year, the rain falls for 127 days and collects up to 24.29" (617mm) of precipitation.Snowfall
January through June, September through December are months with snowfall. In Alpine, Wyoming, in December, snow falls for 22.3 days, with typically accumulated 15.83" (402mm) of snow. In Alpine, during the entire year, snow falls for 126.6 days and aggregates up to 110.28" (2801mm) of snow.Daylight
December has the shortest days of the year, 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
In December, the average sunshine is 4.2h.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 minimal health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: In December, a regular UV index of 1 translates into these guidelines:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What month is the coldest?
How cold is December?
What is the average humidity in December?
How many days does it rain in December?
How much does it snow in December?
What is the month with the shortest days in Alpine?
How many hours of daylight does Alpine have in December?
When are sunrise and sunset in December?
How many hours of sunshine does Alpine have in December?
What are the months with the lowest UV index?
What is the UV index intensity in December in Alpine?
Average temperature in December
Alpine, 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, 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, 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, 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, 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, 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, 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, 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, WY
- Average daylight in December: 9h and 1min
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 1min
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, 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, 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, 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, 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).
Alpine, Wyoming, USA
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