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
With average high temperatures of 28.6°F (-1.9°C) and lows of 16°F (-8.9°C), December is the coldest month.Humidity
In December, the average relative humidity in Valier, Montana, is 76%.Rainfall
In Valier, Montana, during December, the rain falls for 4.5 days and regularly aggregates up to 0.55" (14mm) of precipitation. In Valier, during the entire year, the rain falls for 104.3 days and collects up to 11.93" (303mm) of precipitation.Snowfall
Months with snowfall in Valier are January through May, September through December. In Valier, in December, snow falls for 12.6 days, with typically accumulated 3.27" (83mm) of snow. Throughout the year, in Valier, Montana, there are 68.2 snowfall days, and 25.63" (651mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 8h and 24min of daylight.On the first day of the month, sunrise is at 7:59 am and sunset at 4:36 pm. On the last day of December, in Valier, sunrise is at 8:19 am and sunset at 4:44 pm MST.
Sunshine
With an average of 5.5h of sunshine, December has the least sunshine of the year in Valier.UV index
The months with the lowest UV index in Valier, Montana, are January through March, October through December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: In December, the maximum UV index of 2 suggests these recommendations:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Enhance your sun protection with tightly woven, yet airy clothing. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Frequently asked questions
What are the coldest months in Valier?
How cold is it in Valier in December?
What is the average humidity in December in Valier?
How much does it rain in Valier in December?
How many days does it snow in December in Valier?
What is the month with the shortest days in Valier?
What is the average length of the day in December in Valier?
When is the sunrise / sunset in December in Valier?
What is the month with the least sunshine in Valier?
How long on average sun shines in December in Valier?
What are the months with the lowest UV index in Valier?
How high is the UV index in December in Valier?
Average temperature in December
Valier, MT
- Average high temperature in December: 28.6°F
The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is December (28.6°F).
- Average low temperature in December: 16°F
The month with the highest average low temperature is August (57.7°F).
The coldest month (with the lowest average low temperature) is December (16°F).
Average pressure in December
Valier, MT
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in December
Valier, MT
- Average wind speed in December: 10.3mph
The windiest month (with the highest average wind speed) is April (10.8mph).
The calmest month (with the lowest average wind speed) is August (8.3mph).
Average humidity in December
Valier, MT
- Average humidity in December: 76%
The month with the highest relative humidity is January (77%).
The month with the lowest relative humidity is August (40%).
Average rainfall in December
Valier, MT
- Average rainfall in December: 0.55"
The wettest month (with the highest rainfall) is June (2.36").
The driest month (with the least rainfall) is January (0.51").
Average rainfall days in December
Valier, MT
- Average rainfall days in December: 4.5 days
The month with the highest number of rainy days is May (16.1 days).
The month with the least rainy days is January (4.2 days).
Average snowfall in December
Valier, MT
- Average snowfall in December: 3.27"
The month with the highest snowfall is February (4.88").
The months with the least snowfall are June, July and August (0").
Average snowfall days in December
Valier, MT
- Average snowfall days in December: 12.6 days
The month with the highest number of snowfall days is December (12.6 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in December /
Average sunshine in December
Valier, MT
- Average daylight in December: 8h and 2min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in December: 5h and 3min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).
Average sunshine days in December
Valier, MT
- Average sunshine days in December: 17 days
The month with the most sunshine days is September (19.5 days).
The month with the least sunshine days is April (12.2 days).
Average UV index in December
Valier, MT
- 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, October, November and December (UV index 2).
Average cloud cover in December
Valier, MT
- Average cloud cover in December: 42
The month with the most cloud cover is February (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 14).
Average visibility in December
Valier, MT
- 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).
Valier, Montana, USA
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