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 is the coldest month, with the temperature often reaching an average high of 28.6°F (-1.9°C) and an average low of 16°F (-8.9°C).Humidity
In Ledger, the average relative humidity in December is 76%.Rainfall
In Ledger, during December, the rain falls for 4.5 days and regularly aggregates up to 0.55" (14mm) of precipitation. Throughout the year, there are 104.3 rainfall days, and 11.93" (303mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, September through December. In Ledger, in December, during 12.6 snowfall days, 3.27" (83mm) of snow is typically accumulated. In Ledger, Montana, during the entire year, snow falls for 68.2 days and aggregates up to 25.63" (651mm) of snow.Daylight
December has the shortest days of the year, with an average of 8h and 24min of daylight.On the first day of the month, sunrise is at 7:57 am and sunset at 4:35 pm. On the last day of December, sunrise is at 8:18 am and sunset at 4:43 pm MST.
Sunshine
The month with the least sunshine is December, with an average of 5.5h of sunshine.UV index
January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A daily maximum UV index of 2 in December translates into the following instructions:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
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 December?
What is the average humidity in December?
How many days does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Ledger have in December?
When are sunrise and sunset in December?
What is the month with the least sunshine in Ledger?
How many hours of sunshine does Ledger have in December?
When is the lowest UV index in Ledger?
What is the UV index reading in December?
Average temperature in December
Ledger, MT
- Average high temperature in December: 28.6°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 (28.6°F).
- Average low temperature in December: 16°F
The month with the highest average low temperature is August (57.7°F).
The coldest month (with the lowest average low temperature) is December (16°F).
Average pressure in December
Ledger, MT
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in December
Ledger, MT
- Average wind speed in December: 10.3mph
The windiest month (with the highest average wind speed) is April (10.8mph).
The calmest month (with the lowest average wind speed) is August (8.3mph).
Average humidity in December
Ledger, MT
- Average humidity in December: 76%
The month with the highest relative humidity is January (77%).
The month with the lowest relative humidity is August (40%).
Average rainfall in December
Ledger, MT
- Average rainfall in December: 0.55"
The wettest month (with the highest rainfall) is June (2.36").
The driest month (with the least rainfall) is January (0.51").
Average rainfall days in December
Ledger, MT
- Average rainfall days in December: 4.5 days
The month with the highest number of rainy days is May (16.1 days).
The month with the least rainy days is January (4.2 days).
Average snowfall in December
Ledger, MT
- Average snowfall in December: 3.27"
The month with the highest snowfall is February (4.88").
The months with the least snowfall are June, July and August (0").
Average snowfall days in December
Ledger, MT
- Average snowfall days in December: 12.6 days
The month with the highest number of snowfall days is December (12.6 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in December /
Average sunshine in December
Ledger, MT
- Average daylight in December: 8h and 2min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in December: 5h and 3min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).
Average sunshine days in December
Ledger, MT
- Average sunshine days in December: 17 days
The month with the most sunshine days is September (19.5 days).
The month with the least sunshine days is April (12.2 days).
Average UV index in December
Ledger, MT
- Average UV index in December: 2
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in December
Ledger, MT
- Average cloud cover in December: 42
The month with the most cloud cover is February (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 14).
Average visibility in December
Ledger, MT
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Ledger, Montana, USA
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