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 Hinsdale, the average high-temperature in December decreases from an icy 38.8°F (3.8°C) in November to a freezing cold 24.8°F (-4°C). During December, the average low-temperature is a frigid cold 12.7°F (-10.7°C).Humidity
In Hinsdale, the average relative humidity in December is 83%.Rainfall
In Hinsdale, in December, during 4.2 rainfall days, 0.51" (13mm) of precipitation is typically accumulated. Throughout the year, in Hinsdale, there are 91.8 rainfall days, and 10.63" (270mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. December is the month with the most snowfall. Snow falls for 11.8 days and accumulates 3.43" (87mm) of snow.Daylight
With an average of 8h and 24min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:39 am and sunset at 4:15 pm. On the last day of the month, sunrise is at 7:59 am and sunset at 4:23 pm MST.
Sunshine
In December, the average sunshine is 4.8h.UV index
January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index in Hinsdale. A UV Index value of 2, and less, symbolizes 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 transforms into these recommendations:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. To protect against the Sun's most potent rays, avoid direct exposure around midday. During bright days, sunglasses that offer UVA and UVB defense are recommended. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Frequently asked questions
How cold is it in Hinsdale in December?
What is the average humidity in December in Hinsdale?
How much does it rain in Hinsdale in December?
When does it snow the most in Hinsdale?
How many days does it snow in December in Hinsdale?
What is the month with the shortest days in Hinsdale?
How many hours of daylight does Hinsdale have in December?
What time are sunrise and sunset in December in Hinsdale?
How many hours of sunshine does Hinsdale have in December?
What are the months with the lowest UV index in Hinsdale?
What is the UV index reading in December in Hinsdale?
Average temperature in December
Hinsdale, MT
- Average high temperature in December: 24.8°F
The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is February (24.4°F).
- Average low temperature in December: 12.7°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is February (10°F).
Average pressure in December
Hinsdale, MT
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is February (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.83"Hg).
Average wind speed in December
Hinsdale, MT
- Average wind speed in December: 8.5mph
The windiest month (with the highest average wind speed) is April (11.3mph).
The calmest month (with the lowest average wind speed) is February (8.3mph).
Average humidity in December
Hinsdale, MT
- Average humidity in December: 83%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is August (41%).
Average rainfall in December
Hinsdale, MT
- Average rainfall in December: 0.51"
The wettest month (with the highest rainfall) is May (1.73").
The driest month (with the least rainfall) is February (0.43").
Average rainfall days in December
Hinsdale, MT
- Average rainfall days in December: 4.2 days
The month with the highest number of rainy days is May (12.7 days).
The month with the least rainy days is February (3.3 days).
Average snowfall in December
Hinsdale, MT
- Average snowfall in December: 3.43"
The month with the highest snowfall is December (3.43").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Hinsdale, MT
- Average snowfall days in December: 11.8 days
The month with the highest number of snowfall days is January (12.3 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Hinsdale, 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: 4h and 5min
The month with the most sunshine is July (Average sunshine: 11h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in December
Hinsdale, MT
- Average sunshine days in December: 17.3 days
The month with the most sunshine days is October (21 days).
The month with the least sunshine days is April (15.4 days).
Average UV index in December
Hinsdale, MT
- Average UV index in December: 2
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in December
Hinsdale, MT
- Average cloud cover in December: 49
The month with the most cloud cover is February (Cloud cover 50).
The months with the least cloud cover are July and August (Cloud cover 18).
Average visibility in December
Hinsdale, MT
- Average visibility in December: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
Hinsdale, Montana, USA
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