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
The coldest temperatures occur during December, when averages reach a peak of 27.7°F (-2.4°C) and a low of 12.4°F (-10.9°C).Humidity
In December, the average relative humidity is 75%.Rainfall
January and December are months with the least rain when the rain falls for 6.7 days and typically aggregates up to 0.35" (9mm) of rain.Snowfall
January through June, September through December are months with snowfall. In Wapiti, during December, snow falls for 9.3 days and regularly aggregates up to 2.68" (68mm) of snow. Throughout the year, there are 67.3 snowfall days, and 29.72" (755mm) of snow is accumulated.Daylight
December has the shortest days of the year in Wapiti, with an average of 8h and 54min of daylight.On the first day of the month, sunrise is at 7:34 am and sunset at 4:39 pm. On the last day of December, sunrise is at 7:53 am and sunset at 4:48 pm MST.
Sunshine
In December, the average sunshine is 6.8h.UV index
The months with the lowest UV index are January through April, October through December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for the average person.Note: The maximum daily UV index of 2 in December interprets into the following recommendations:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. 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 part of the year is the coldest?
How cold is it in December?
What is the average humidity in December?
What is the driest month?
How much does it rain in December?
How much does it snow in December?
What is the month with the shortest days in Wapiti?
How many hours of daylight does Wapiti have in December?
When are sunrise and sunset in December?
How long on average sun shines in December?
When is the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Wapiti, WY
- Average high temperature in December: 27.7°F
The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is December (27.7°F).
- Average low temperature in December: 12.4°F
The month with the highest average low temperature is July (54.7°F).
The coldest month (with the lowest average low temperature) is December (12.4°F).
Average pressure in December
Wapiti, WY
- Average pressure in December: 30.18"Hg
The months with the highest atmospheric pressure are January and December (30.18"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in December
Wapiti, WY
- Average wind speed in December: 8.5mph
The windiest month (with the highest average wind speed) is January (8.9mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in December
Wapiti, WY
- Average humidity in December: 75%
The month with the highest relative humidity is February (77%).
The months with the lowest relative humidity are July and August (41%).
Average rainfall in December
Wapiti, WY
- Average rainfall in December: 0.35"
The wettest month (with the highest rainfall) is May (1.77").
The driest months (with the least rainfall) are January and December (0.35").
Average rainfall days in December
Wapiti, WY
- Average rainfall days in December: 6.7 days
The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is December (6.7 days).
Average snowfall in December
Wapiti, WY
- Average snowfall in December: 2.68"
The month with the highest snowfall is February (5.2").
The months with the least snowfall are July and August (0").
Average snowfall days in December
Wapiti, WY
- Average snowfall days in December: 9.3 days
The month with the highest number of snowfall days is February (13.2 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in December /
Average sunshine in December
Wapiti, WY
- Average daylight in December: 8h and 5min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in December: 6h and 5min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is February (Average sunshine: 6h and 42min).
Average sunshine days in December
Wapiti, WY
- Average sunshine days in December: 19.2 days
The month with the most sunshine days is January (19.3 days).
The month with the least sunshine days is May (7.2 days).
Average UV index in December
Wapiti, WY
- Average UV index in December: 2
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, April, October, November and December (UV index 2).
Average cloud cover in December
Wapiti, WY
- Average cloud cover in December: 28
The months with the most cloud cover are February and April (Cloud cover 32).
The month with the least cloud cover is July (Cloud cover 15).
Average visibility in December
Wapiti, 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).
Wapiti, Wyoming, USA
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