December weather forecastTownsend, MT
December
Weather in December
December, the final month of the year in Townsend, Montana, signifies the height of winter. A striking drop in temperature is observed to a low of 13.1°F (-10.5°C), setting the tone for classic winter conditions. Overcast skies, reduced sunshine hours, and substantial snowfall become common. Although this month shares many characteristics with November, it differs remarkably in terms of temperature lows and snowfall. The transition from December to the New Year presents a steady winter pattern, encapsulating the tranquillity of winter in Montana.Temperature
In Townsend, December records the lowest average temperatures, peaking at 27.1°F (-2.7°C) and reaching a low of 13.1°F (-10.5°C).Humidity
In December, the average relative humidity is 84%.Rainfall
The month with the least rainfall is December, when the rain falls for 6.3 days and typically collects 0.51" (13mm) of precipitation.Snowfall
Months with snowfall are January through May, September through December. In Townsend, in December, snow falls for 13.1 days, with typically accumulated 3.74" (95mm) of snow. In Townsend, during the entire year, snow falls for 72.8 days and aggregates up to 26.22" (666mm) of snow.Daylight
December has the shortest days of the year in Townsend, with an average of 8h and 42min of daylight.On the first day of December in Townsend, sunrise is at 7:49 am and sunset at 4:41 pm. On the last day of the month, sunrise is at 8:09 am and sunset at 4:49 pm MST.
Sunshine
In December, the average sunshine is 5.8h.UV index
February and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: The UV index of 1 in December translates into these instructions:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Townsend, MT
- Average high temperature in December: 27.1°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 (27.1°F).
- Average low temperature in December: 13.1°F
The months with the highest average low temperature are July and August (49.3°F).
The coldest month (with the lowest average low temperature) is December (13.1°F).
Average pressure in December
Townsend, MT
- Average pressure in December: 30.17"Hg
The months with the highest atmospheric pressure are January and December (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in December
Townsend, MT
- Average wind speed in December: 6.6mph
The windiest month (with the highest average wind speed) is December (6.6mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).
Average humidity in December
Townsend, MT
- Average humidity in December: 84%
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is August (46%).
Average rainfall in December
Townsend, MT
- Average rainfall in December: 0.51"
The wettest month (with the highest rainfall) is June (1.65").
The driest month (with the least rainfall) is December (0.51").
Average rainfall days in December
Townsend, MT
- Average rainfall days in December: 6.3 days
The month with the highest number of rainy days is April (14.7 days).
The month with the least rainy days is January (6.2 days).
Average snowfall in December
Townsend, MT
- Average snowfall in December: 3.74"
The month with the highest snowfall is February (5.71").
The months with the least snowfall are June, July and August (0").
Average snowfall days in December
Townsend, MT
- Average snowfall days in December: 13.1 days
The month with the highest number of snowfall days is February (15.4 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Townsend, MT
- Average daylight in December: 8h and 42min
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 48min
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 30min).
Average sunshine days in December
Townsend, MT
- Average sunshine days in December: 16.5 days
The month with the most sunshine days is August (19.6 days).
The month with the least sunshine days is April (10.5 days).
Average UV index in December
Townsend, 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 February and December (UV index 1).
Average cloud cover in December
Townsend, MT
- Average cloud cover in December: 43
The month with the most cloud cover is February (Cloud cover 48).
The months with the least cloud cover are July and August (Cloud cover 15).
Average visibility in December
Townsend, MT
- Average visibility in December: 5mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March and December (5mi).
