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
Temperature records mark December as the coldest month, with highs averaging 25.2°F (-3.8°C) and lows at 9°F (-12.8°C).Humidity
January, February and December, with an average relative humidity of 87%, are the most humid months.Rainfall
The months with the least rainfall are January, November and December Rain falls for 5.7 days and accumulates 0.67" (17mm) of rain.Snowfall
Months with snowfall are January through June, September through December. In December, it is snowing for 15.3 days. Throughout December, 5.51" (140mm) of snow is accumulated. Throughout the year, there are 103.1 snowfall days, and 52.56" (1335mm) of snow is accumulated.Daylight
With an average of 8h and 42min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:52 am and sunset at 4:46 pm. On the last day of December, sunrise is at 8:12 am and sunset at 4:54 pm MST.
Sunshine
December has the least sunshine of the year, with an average of 5.3h of sunshine.UV index
In December, the average daily maximum UV index is 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: A daily maximum UV index of 2 in December translates into the following instructions:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest month?
How cold is December?
What is the most humid month?
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?
What is the average length of the day in December?
When are sunrise and sunset in December?
What is the month with the least sunshine?
How many hours of sunshine does Walkerville have in December?
How high is the UV index in December?
Average temperature in December
Walkerville, MT
- Average high temperature in December: 25.2°F
The warmest month (with the highest average high temperature) is July (76.5°F).
The month with the lowest average high temperature is December (25.2°F).
- Average low temperature in December: 9°F
The month with the highest average low temperature is July (46.9°F).
The coldest month (with the lowest average low temperature) is December (9°F).
Average pressure in December
Walkerville, MT
- Average pressure in December: 30.2"Hg
The month with the highest atmospheric pressure is January (30.21"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in December
Walkerville, MT
- Average wind speed in December: 6.2mph
The windiest month (with the highest average wind speed) is April (6.6mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in December
Walkerville, MT
- Average humidity in December: 87%
The months with the highest relative humidity are January, February and December (87%).
The month with the lowest relative humidity is July (48%).
Average rainfall in December
Walkerville, MT
- Average rainfall in December: 0.67"
The wettest month (with the highest rainfall) is May (2.24").
The driest months (with the least rainfall) are January, November and December (0.67").
Average rainfall days in December
Walkerville, MT
- Average rainfall days in December: 5.7 days
The month with the highest number of rainy days is May (15.9 days).
The month with the least rainy days is November (4.1 days).
Average snowfall in December
Walkerville, MT
- Average snowfall in December: 5.51"
The month with the highest snowfall is March (8.74").
The months with the least snowfall are July and August (0").
Average snowfall days in December
Walkerville, MT
- Average snowfall days in December: 15.3 days
The month with the highest number of snowfall days is February (17.7 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in December /
Average sunshine in December
Walkerville, MT
- Average daylight in December: 8h and 4min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in December: 5h and 2min
The month with the most sunshine is July (Average sunshine: 11h and 30min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).
Average sunshine days in December
Walkerville, MT
- Average sunshine days in December: 15.3 days
The month with the most sunshine days is August (19.1 days).
The month with the least sunshine days is April (9.8 days).
Average UV index in December
Walkerville, MT
- Average UV index in December: 2
The month with the highest UV index is July (UV index 5).
The month with the lowest UV index is February (UV index 1).
Average cloud cover in December
Walkerville, MT
- Average cloud cover in December: 48
The month with the most cloud cover is February (Cloud cover 54).
The month with the least cloud cover is August (Cloud cover 16).
Average visibility in December
Walkerville, MT
- Average visibility in December: 4mi
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 (4mi).
Walkerville, Montana, USA
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