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
West Glacier's temperature records reveal December as the coldest month, marked by average highs of 25.7°F (-3.5°C) and lows of 13.8°F (-10.1°C).Humidity
The average relative humidity in December is 91%.Rainfall
In West Glacier, Montana, in December, during 8.9 rainfall days, 1.02" (26mm) of precipitation is typically accumulated. Throughout the year, in West Glacier, there are 126.4 rainfall days, and 11.22" (285mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, September through December. In West Glacier, in December, snow falls for 19.1 days, with typically accumulated 6.77" (172mm) of snow. Throughout the year, in West Glacier, there are 97 snowfall days, and 33.86" (860mm) of snow is accumulated.Daylight
The month with the shortest days in West Glacier is December, with an average of 8h and 24min of daylight.On the first day of December in West Glacier, sunrise is at 8:07 am and sunset at 4:42 pm. On the last day of the month, sunrise is at 8:27 am and sunset at 4:50 pm MST.
Sunshine
In December, the average sunshine is 4h.UV index
January, February, November and December, with an average maximum UV index of 1, are months with the lowest UV index in West Glacier. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: In December, the maximum UV index of 1 transforms into these recommendations:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Frequently asked questions
What part of the year is the coldest in West Glacier?
How cold is December in West Glacier?
What is the average humidity in December in West Glacier?
How many days does it rain in December in West Glacier?
How much does it snow in West Glacier in December?
What is the month with the shortest days in West Glacier?
How many hours of daylight does West Glacier have in December?
What time are sunrise and sunset in December in West Glacier?
How long on average sun shines in December in West Glacier?
When is the lowest UV index in West Glacier?
What is the UV index reading in December in West Glacier?
Average temperature in December
West Glacier, MT
- Average high temperature in December: 25.7°F
The warmest month (with the highest average high temperature) is July (77.9°F).
The month with the lowest average high temperature is December (25.7°F).
- Average low temperature in December: 13.8°F
The month with the highest average low temperature is August (45.5°F).
The coldest month (with the lowest average low temperature) is February (13.5°F).
Average pressure in December
West Glacier, MT
- Average pressure in December: 30.15"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in December
West Glacier, MT
- Average wind speed in December: 3.7mph
The windiest month (with the highest average wind speed) is April (4.6mph).
The calmest months (with the lowest average wind speed) are August and December (3.7mph).
Average humidity in December
West Glacier, MT
- Average humidity in December: 91%
The month with the highest relative humidity is January (93%).
The month with the lowest relative humidity is August (55%).
Average rainfall in December
West Glacier, MT
- Average rainfall in December: 1.02"
The wettest month (with the highest rainfall) is June (1.42").
The driest month (with the least rainfall) is August (0.43").
Average rainfall days in December
West Glacier, MT
- Average rainfall days in December: 8.9 days
The month with the highest number of rainy days is April (15.8 days).
The month with the least rainy days is August (6.3 days).
Average snowfall in December
West Glacier, MT
- Average snowfall in December: 6.77"
The month with the highest snowfall is January (7.72").
The months with the least snowfall are June, July and August (0").
Average snowfall days in December
West Glacier, MT
- Average snowfall days in December: 19.1 days
The month with the highest number of snowfall days is December (19.1 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in December /
Average sunshine in December
West Glacier, MT
- Average daylight in December: 8h and 2min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in December: 4h and 0min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in December
West Glacier, MT
- Average sunshine days in December: 11.8 days
The month with the most sunshine days is July (21.5 days).
The month with the least sunshine days is March (7.7 days).
Average UV index in December
West Glacier, MT
- Average UV index in December: 1
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in December
West Glacier, MT
- Average cloud cover in December: 61
The month with the most cloud cover is January (Cloud cover 65).
The months with the least cloud cover are July and August (Cloud cover 15).
Average visibility in December
West Glacier, MT
- Average visibility in December: 4mi
The months with the highest visibility are May, June, July, August, September and October (6mi).
The month with the lowest visibility is January (3mi).
West Glacier, Montana, USA
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