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 Wilsall, December is the month with the lowest recorded average temperatures, measuring a high of 25.2°F (-3.8°C) and a low of 11.8°F (-11.2°C).Humidity
In Wilsall, Montana, the average relative humidity in December is 85%.Rainfall
January and December are months with the least rain in Wilsall, Montana, when the rain falls for 6.8 days and typically aggregates up to 1.02" (26mm) of rain.Snowfall
January through June, September through December are months with snowfall in Wilsall. In Wilsall, in December, snow falls for 15.7 days, with typically accumulated 7.87" (200mm) of snow. Throughout the year, there are 100.5 snowfall days, and 58.7" (1491mm) of snow is accumulated.Daylight
With an average of 8h and 42min of daylight, December has the shortest days of the year in Wilsall, Montana.On the first day of the month, sunrise is at 7:44 am and sunset at 4:39 pm. On the last day of December, sunrise is at 8:04 am and sunset at 4:47 pm MST.
Sunshine
In Wilsall, the average sunshine in December is 5.7h.UV index
The average daily maximum UV index in December in Wilsall is 2. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for the ordinary person.Note: The maximum UV index of 2 during December translates into these guidelines:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Frequently asked questions
What are the coldest months in Wilsall?
How cold is it in Wilsall in December?
What is the average humidity in December in Wilsall?
What is the driest month in Wilsall?
How many days does it rain in December in Wilsall?
How many days does it snow in December in Wilsall?
What is the month with the shortest days in Wilsall?
What is the average length of the day in December in Wilsall?
When are sunrise and sunset in December in Wilsall?
How many hours of sunshine does Wilsall have in December?
What is the UV index reading in December in Wilsall?
Average temperature in December
Wilsall, MT
- Average high temperature in December: 25.2°F
The warmest month (with the highest average high temperature) is July (77°F).
The month with the lowest average high temperature is December (25.2°F).
- Average low temperature in December: 11.8°F
The month with the highest average low temperature is August (47.8°F).
The coldest month (with the lowest average low temperature) is February (11.7°F).
Average pressure in December
Wilsall, MT
- Average pressure in December: 30.17"Hg
The month with the highest atmospheric pressure is January (30.18"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in December
Wilsall, MT
- Average wind speed in December: 8.9mph
The windiest month (with the highest average wind speed) is January (9.2mph).
The calmest month (with the lowest average wind speed) is July (5.2mph).
Average humidity in December
Wilsall, MT
- Average humidity in December: 85%
The month with the highest relative humidity is February (87%).
The month with the lowest relative humidity is August (50%).
Average rainfall in December
Wilsall, MT
- Average rainfall in December: 1.02"
The wettest month (with the highest rainfall) is May (2.56").
The driest months (with the least rainfall) are January and December (1.02").
Average rainfall days in December
Wilsall, MT
- Average rainfall days in December: 6.8 days
The month with the highest number of rainy days is May (19.5 days).
The month with the least rainy days is December (6.8 days).
Average snowfall in December
Wilsall, MT
- Average snowfall in December: 7.87"
The month with the highest snowfall is March (9.72").
The months with the least snowfall are July and August (0").
Average snowfall days in December
Wilsall, MT
- Average snowfall days in December: 15.7 days
The month with the highest number of snowfall days is February (17.9 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in December /
Average sunshine in December
Wilsall, 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 4min
The month with the most sunshine is July (Average sunshine: 11h and 42min).
The month with the least sunshine is January (Average sunshine: 5h and 36min).
Average sunshine days in December
Wilsall, MT
- Average sunshine days in December: 13.6 days
The month with the most sunshine days is September (16.8 days).
The month with the least sunshine days is April (7.1 days).
Average UV index in December
Wilsall, 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
Wilsall, MT
- Average cloud cover in December: 45
The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 16).
Average visibility in December
Wilsall, MT
- Average visibility in December: 5mi
The months with the highest visibility are May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is February (4mi).
Wilsall, Montana, USA
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