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
December, with an average high of 24.4°F (-4.2°C) and a low of 8.2°F (-13.2°C), signifies the coldest month of the year.Humidity
The average relative humidity in December is 76%.Rainfall
In Dubois, in December, it is raining for 9.4 days, with typically 0.39" (10mm) of accumulated precipitation. Throughout the year, there are 118.1 rainfall days, and 9.06" (230mm) of precipitation is accumulated.Snowfall
January through June, September through December are months with snowfall. In December, it is snowing for 12.3 days. Throughout December, 2.72" (69mm) of snow is accumulated. Throughout the year, there are 81 snowfall days, and 30.83" (783mm) of snow is accumulated.Daylight
With an average of 9h and 0min of daylight, December has the shortest days of the year.On the first day of December in Dubois, sunrise is at 7:32 am and sunset at 4:43 pm. On the last day of the month, sunrise is at 7:51 am and sunset at 4:52 pm MST.
Sunshine
The months with the least sunshine are January and December, with an average of 6.8h of sunshine.UV index
January through April, October through December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: In December, a daily maximum UV index of 2 leads to the following instructions:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the coldest months?
How cold is December?
What is the average humidity in December?
How many days does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
What time are sunrise and sunset in December?
What is the month with the least sunshine?
How long on average sun shines in December in Dubois?
What is the month with the lowest UV index?
How high is the UV index in December?
Average temperature in December
Dubois, WY
- Average high temperature in December: 24.4°F
The warmest month (with the highest average high temperature) is July (73.8°F).
The month with the lowest average high temperature is December (24.4°F).
- Average low temperature in December: 8.2°F
The month with the highest average low temperature is July (47.7°F).
The coldest month (with the lowest average low temperature) is December (8.2°F).
Average pressure in December
Dubois, WY
- Average pressure in December: 30.21"Hg
The month with the highest atmospheric pressure is January (30.23"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in December
Dubois, WY
- Average wind speed in December: 8.8mph
The windiest month (with the highest average wind speed) is January (9.1mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).
Average humidity in December
Dubois, WY
- Average humidity in December: 76%
The month with the highest relative humidity is February (79%).
The month with the lowest relative humidity is August (41%).
Average rainfall in December
Dubois, WY
- Average rainfall in December: 0.39"
The wettest month (with the highest rainfall) is May (1.46").
The driest month (with the least rainfall) is January (0.35").
Average rainfall days in December
Dubois, WY
- Average rainfall days in December: 9.4 days
The month with the highest number of rainy days is May (14.4 days).
The month with the least rainy days is November (7 days).
Average snowfall in December
Dubois, WY
- Average snowfall in December: 2.72"
The month with the highest snowfall is April (6.54").
The months with the least snowfall are July and August (0").
Average snowfall days in December
Dubois, WY
- Average snowfall days in December: 12.3 days
The month with the highest number of snowfall days is March (14.1 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in December /
Average sunshine in December
Dubois, 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 5min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The months with the least sunshine are January and December (Average sunshine: 6h and 48min).
Average sunshine days in December
Dubois, WY
- Average sunshine days in December: 16.5 days
The month with the most sunshine days is October (18.8 days).
The month with the least sunshine days is May (9 days).
Average UV index in December
Dubois, WY
- Average UV index in December: 2
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, April, October, November and December (UV index 2).
Average cloud cover in December
Dubois, WY
- Average cloud cover in December: 29
The months with the most cloud cover are February and April (Cloud cover 32).
The month with the least cloud cover is August (Cloud cover 13).
Average visibility in December
Dubois, 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).
Dubois, Wyoming, USA
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