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
December, characterized by an average high temperature of 24.1°F (-4.4°C) and a low temperature of 9.5°F (-12.5°C), is generally the coldest month.Humidity
In Conner, the average relative humidity in December is 90%.Rainfall
In Conner, in December, during 5.2 rainfall days, 1.38" (35mm) of precipitation is typically accumulated. In Conner, during the entire year, the rain falls for 93.6 days and collects up to 15.43" (392mm) of precipitation.Snowfall
January through December are months with snowfall. In December, it is snowing for 16.5 days. Throughout December, 11.34" (288mm) of snow is accumulated. Throughout the year, there are 129.3 snowfall days, and 94.92" (2411mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 8h and 42min of daylight.On the first day of the month, sunrise is at 7:58 am and sunset at 4:53 pm. On the last day of December, sunrise is at 8:18 am and sunset at 5:01 pm MST.
Sunshine
The months with the least sunshine are January and December, with an average of 5.1h of sunshine.UV index
January, 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 low health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: In December, a regular UV index of 1 translates into these guidelines:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest time of year?
How cold is it in Conner in December?
What is the average humidity in December?
How much does it rain in December?
How much does it snow in December?
What is the month with the shortest days in Conner?
How many hours of daylight does Conner have in December?
When is the sunrise / sunset in December?
What is the month with the least sunshine?
How many hours of sunshine does Conner have in December?
When is the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Conner, MT
- Average high temperature in December: 24.1°F
The warmest month (with the highest average high temperature) is July (77.2°F).
The month with the lowest average high temperature is December (24.1°F).
- Average low temperature in December: 9.5°F
The month with the highest average low temperature is August (45.3°F).
The coldest month (with the lowest average low temperature) is December (9.5°F).
Average pressure in December
Conner, MT
- Average pressure in December: 30.22"Hg
The month with the highest atmospheric pressure is January (30.23"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Conner, MT
- Average wind speed in December: 5mph
The windiest month (with the highest average wind speed) is November (5.2mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in December
Conner, MT
- Average humidity in December: 90%
The months with the highest relative humidity are January and February (91%).
The month with the lowest relative humidity is August (48%).
Average rainfall in December
Conner, MT
- Average rainfall in December: 1.38"
The wettest month (with the highest rainfall) is April (1.81").
The driest month (with the least rainfall) is August (0.39").
Average rainfall days in December
Conner, MT
- Average rainfall days in December: 5.2 days
The month with the highest number of rainy days is June (11.7 days).
The months with the least rainy days are January, August and December (5.2 days).
Average snowfall in December
Conner, MT
- Average snowfall in December: 11.34"
The month with the highest snowfall is February (14.8").
The month with the least snowfall is July (0.12").
Average snowfall days in December
Conner, MT
- Average snowfall days in December: 16.5 days
The month with the highest number of snowfall days is March (20.3 days).
The month with the least snowfall days is July (0.2 days).
Average daylight in December /
Average sunshine in December
Conner, 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: 5h and 1min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The months with the least sunshine are January and December (Average sunshine: 5h and 6min).
Average sunshine days in December
Conner, MT
- Average sunshine days in December: 14.4 days
The month with the most sunshine days is August (22.3 days).
The month with the least sunshine days is March (8.8 days).
Average UV index in December
Conner, MT
- Average UV index in December: 1
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February and December (UV index 1).
Average cloud cover in December
Conner, MT
- Average cloud cover in December: 50
The month with the most cloud cover is February (Cloud cover 54).
The month with the least cloud cover is August (Cloud cover 12).
Average visibility in December
Conner, MT
- Average visibility in December: 4mi
The months with the highest visibility are May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February, March and December (4mi).
Conner, Montana, USA
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