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
Cardwell's coldest month, December, generally records average temperatures ranging from a high of 28°F (-2.2°C) to a low of 12.7°F (-10.7°C).Humidity
The average relative humidity in December in Cardwell is 84%.Rainfall
In Cardwell, Montana, during December, the rain falls for 9.5 days and regularly aggregates up to 0.67" (17mm) of precipitation. Throughout the year, there are 134.2 rainfall days, and 11.34" (288mm) of precipitation is accumulated.Snowfall
January through June, September through December are months with snowfall. In Cardwell, in December, snow falls for 14.8 days, with typically accumulated 4.72" (120mm) of snow. Throughout the year, there are 79.6 snowfall days, and 30.08" (764mm) of snow is accumulated.Daylight
With an average of 8h and 42min of daylight, December has the shortest days of the year.On the first day of December in Cardwell, sunrise is at 7:49 am and sunset at 4:44 pm. On the last day of the month, sunrise is at 8:09 am and sunset at 4:53 pm MST.
Sunshine
The average sunshine in December in Cardwell is 6.1h.UV index
The month with the lowest UV index in Cardwell is December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum daily UV index of 1 in December interprets into the following recommendations:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What month is the coldest in Cardwell?
How cold is December in Cardwell?
What is the average humidity in December in Cardwell?
How much does it rain in Cardwell in December?
How much does it snow in Cardwell in December?
What is the month with the shortest days in Cardwell?
What is the average length of the day in December in Cardwell?
When is the sunrise / sunset in December in Cardwell?
How long on average sun shines in December in Cardwell?
What is the month with the lowest UV index in Cardwell?
How high is the UV index in December in Cardwell?
Average temperature in December
Cardwell, MT
- Average high temperature in December: 28°F
The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is December (28°F).
- Average low temperature in December: 12.7°F
The month with the highest average low temperature is August (50.5°F).
The coldest month (with the lowest average low temperature) is December (12.7°F).
Average pressure in December
Cardwell, MT
- Average pressure in December: 30.19"Hg
The months with the highest atmospheric pressure are January and December (30.19"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in December
Cardwell, MT
- Average wind speed in December: 4.8mph
The windiest month (with the highest average wind speed) is April (5.5mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in December
Cardwell, MT
- Average humidity in December: 84%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is August (44%).
Average rainfall in December
Cardwell, MT
- Average rainfall in December: 0.67"
The wettest month (with the highest rainfall) is June (1.57").
The driest month (with the least rainfall) is August (0.51").
Average rainfall days in December
Cardwell, MT
- Average rainfall days in December: 9.5 days
The month with the highest number of rainy days is April (16.5 days).
The month with the least rainy days is August (7.6 days).
Average snowfall in December
Cardwell, MT
- Average snowfall in December: 4.72"
The month with the highest snowfall is February (6.02").
The months with the least snowfall are July and August (0").
Average snowfall days in December
Cardwell, MT
- Average snowfall days in December: 14.8 days
The month with the highest number of snowfall days is February (16.5 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in December /
Average sunshine in December
Cardwell, MT
- Average daylight in December: 8h and 4min
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: 6h and 1min
The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 5h and 54min).
Average sunshine days in December
Cardwell, MT
- Average sunshine days in December: 14.4 days
The month with the most sunshine days is September (18.7 days).
The month with the least sunshine days is April (9.3 days).
Average UV index in December
Cardwell, MT
- Average UV index in December: 1
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Cardwell, MT
- Average cloud cover in December: 38
The month with the most cloud cover is February (Cloud cover 43).
The month with the least cloud cover is August (Cloud cover 13).
Average visibility in December
Cardwell, 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 month with the lowest visibility is January (4mi).
Cardwell, Montana, USA
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