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 its high average temperature of 27.7°F (-2.4°C) and a low of 14.2°F (-9.9°C), December is regarded as the coldest month.Humidity
In Clancy, the average relative humidity in December is 83%.Rainfall
The months with the least rainfall are January and December Rain falls for 7.9 days and accumulates 0.63" (16mm) of rain.Snowfall
January through May, September through December are months with snowfall. In Clancy, in December, during 14.1 snowfall days, 4.61" (117mm) of snow is typically accumulated. In Clancy, during the entire year, snow falls for 80.4 days and aggregates up to 34.88" (886mm) of snow.Daylight
The month with the shortest days in Clancy is December, with an average of 8h and 42min of daylight.On the first day of the month, sunrise is at 7:51 am and sunset at 4:42 pm. On the last day of December, sunrise is at 8:11 am and sunset at 4:51 pm MST.
Sunshine
In Clancy, the average sunshine in December is 5.8h.UV index
In December, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for the ordinary person.Note: The maximum UV index of 2 during December translates into these guidelines:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest month?
How cold is December?
What is the average humidity in December?
What is the driest month in Clancy?
How many days does it rain in December in Clancy?
How many days does it snow in December in Clancy?
What is the month with the shortest days?
How many hours of daylight does Clancy have in December?
When are sunrise and sunset in December?
How long on average sun shines in December?
What is the UV index intensity in December?
Average temperature in December
Clancy, MT
- Average high temperature in December: 27.7°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is December (27.7°F).
- Average low temperature in December: 14.2°F
The month with the highest average low temperature is July (50.4°F).
The coldest month (with the lowest average low temperature) is December (14.2°F).
Average pressure in December
Clancy, MT
- Average pressure in December: 30.17"Hg
The month with the highest atmospheric pressure is January (30.18"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in December
Clancy, MT
- Average wind speed in December: 6.8mph
The windiest month (with the highest average wind speed) is November (7.1mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in December
Clancy, MT
- Average humidity in December: 83%
The month with the highest relative humidity is January (85%).
The months with the lowest relative humidity are July and August (46%).
Average rainfall in December
Clancy, MT
- Average rainfall in December: 0.63"
The wettest month (with the highest rainfall) is June (2.01").
The driest months (with the least rainfall) are January and December (0.63").
Average rainfall days in December
Clancy, MT
- Average rainfall days in December: 7.9 days
The month with the highest number of rainy days is May (15.8 days).
The month with the least rainy days is November (7 days).
Average snowfall in December
Clancy, MT
- Average snowfall in December: 4.61"
The month with the highest snowfall is February (6.18").
The months with the least snowfall are June, July and August (0").
Average snowfall days in December
Clancy, MT
- Average snowfall days in December: 14.1 days
The month with the highest number of snowfall days is February (16.2 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in December /
Average sunshine in December
Clancy, MT
- Average daylight in December: 8h and 4min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in December: 5h and 5min
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 36min).
Average sunshine days in December
Clancy, MT
- Average sunshine days in December: 15.5 days
The month with the most sunshine days is July (20.5 days).
The month with the least sunshine days is April (9.8 days).
Average UV index in December
Clancy, MT
- Average UV index in December: 2
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is February (UV index 1).
Average cloud cover in December
Clancy, MT
- Average cloud cover in December: 43
The month with the most cloud cover is February (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 15).
Average visibility in December
Clancy, MT
- Average visibility in December: 5mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (5mi).
Clancy, Montana, USA
Weather forecast for your location
2. Allow the app to use your location