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
Thoeny's average high-temperature decreases in December, falling from an icy 38.8°F (3.8°C) in November to a subzero cold 24.8°F (-4°C). During the nights in December, Thoeny experiences a consistent average temperature of 12.7°F (-10.7°C).Humidity
In Thoeny, Montana, the average relative humidity in December is 83%.Rainfall
In Thoeny, during December, the rain falls for 4.2 days and regularly aggregates up to 0.51" (13mm) of precipitation. In Thoeny, Montana, during the entire year, the rain falls for 91.8 days and collects up to 10.63" (270mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. December is the month with the most snowfall in Thoeny. Snow falls for 11.8 days and accumulates 3.43" (87mm) of snow.Daylight
December has the shortest days of the year, with an average of 8h and 18min of daylight.On the first day of December, sunrise is at 7:40 am and sunset at 4:13 pm. On the last day of the month, sunrise is at 8:01 am and sunset at 4:21 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. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: The UV index of 2 during December translates into the following guidance:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Boost your sun resistance with garments that are densely woven yet spacious. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Thoeny?
What is the average humidity in December in Thoeny?
How many days does it rain in December in Thoeny?
When does it snow the most in Thoeny?
How many days does it snow in December in Thoeny?
What is the month with the shortest days in Thoeny?
How many hours of daylight does Thoeny have in December?
What time are sunrise and sunset in December in Thoeny?
How long on average sun shines in December in Thoeny?
When is the lowest UV index in Thoeny?
How high is the UV index in December in Thoeny?
Average temperature in December
Thoeny, 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
Thoeny, 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
Thoeny, 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
Thoeny, 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
Thoeny, 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
Thoeny, 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
Thoeny, 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
Thoeny, 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
Thoeny, 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 18min).
- 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
Thoeny, 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
Thoeny, 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
Thoeny, 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
Thoeny, 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).
Thoeny, Montana, USA
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