December weather forecastClyde Park, MT
December
Weather in December
The first month of the winter, December, is still a freezing cold month in Clyde Park, Montana, with an average temperature varying between 25.2°F (-3.8°C) and 11.8°F (-11.2°C).Temperature
With average high and low temperatures of 25.2°F (-3.8°C) and 11.8°F (-11.2°C) respectively, December is Clyde Park's coldest month.Humidity
The average relative humidity in December is 85%.Rainfall
The months with the least rainfall are January and December Rain falls for 6.8 days and accumulates 1.02" (26mm) of rain.Snowfall
Months with snowfall are January through June, September through December. In December, it is snowing for 15.7 days. Throughout December, 7.87" (200mm) of snow is accumulated. In Clyde Park, during the entire year, snow falls for 100.5 days and aggregates up to 58.7" (1491mm) of snow.Daylight
The month with the shortest days is December, with an average of 8h and 42min of daylight.On the first day of December, sunrise is at 7:44 am and sunset at 4:39 pm. On the last day of the month, sunrise is at 8:03 am and sunset at 4:47 pm MST.
Sunshine
The average sunshine in December is 5.7h.UV index
The average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for the average person.Note: A maximum high UV index of 2 in December translates into the following recommendations:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Clyde Park, MT
- Average high temperature in December: 25.2°F
The warmest month (with the highest average high temperature) is July (77°F).
The month with the lowest average high temperature is December (25.2°F).
- Average low temperature in December: 11.8°F
The month with the highest average low temperature is August (47.8°F).
The coldest month (with the lowest average low temperature) is February (11.7°F).
Average pressure in December
Clyde Park, 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 (29.89"Hg).
Average wind speed in December
Clyde Park, MT
- Average wind speed in December: 8.9mph
The windiest month (with the highest average wind speed) is January (9.2mph).
The calmest month (with the lowest average wind speed) is July (5.2mph).
Average humidity in December
Clyde Park, MT
- Average humidity in December: 85%
The month with the highest relative humidity is February (87%).
The month with the lowest relative humidity is August (50%).
Average rainfall in December
Clyde Park, MT
- Average rainfall in December: 1.02"
The wettest month (with the highest rainfall) is May (2.56").
The driest months (with the least rainfall) are January and December (1.02").
Average rainfall days in December
Clyde Park, MT
- Average rainfall days in December: 6.8 days
The month with the highest number of rainy days is May (19.5 days).
The month with the least rainy days is December (6.8 days).
Average snowfall in December
Clyde Park, MT
- Average snowfall in December: 7.87"
The month with the highest snowfall is March (9.72").
The months with the least snowfall are July and August (0").
Average snowfall days in December
Clyde Park, MT
- Average snowfall days in December: 15.7 days
The month with the highest number of snowfall days is February (17.9 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in December /
Average sunshine in December
Clyde Park, 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 42min
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
Clyde Park, MT
- Average sunshine days in December: 13.6 days
The month with the most sunshine days is September (16.8 days).
The month with the least sunshine days is April (7.1 days).
Average UV index in December
Clyde Park, MT
- Average UV index in December: 2
The month with the highest UV index is July (UV index 5).
The month with the lowest UV index is February (UV index 1).
Average cloud cover in December
Clyde Park, MT
- Average cloud cover in December: 45
The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 16).
Average visibility in December
Clyde Park, MT
- Average visibility in December: 5mi
The months with the highest visibility are May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is February (4mi).
