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
The coldest temperatures occur during December, when averages reach a peak of 28.8°F (-1.8°C) and a low of 16.2°F (-8.8°C).Humidity
In Augusta, the average relative humidity in December is 75%.Rainfall
The month with the least rainfall in Augusta, Montana, is December, when the rain falls for 3.5 days and typically collects 0.35" (9mm) of precipitation.Snowfall
Months with snowfall in Augusta are January through May, September through December. In December, it is snowing for 8.3 days. Throughout December, 2.4" (61mm) of snow is accumulated. In Augusta, during the entire year, snow falls for 50.3 days and aggregates up to 21.26" (540mm) of snow.Daylight
The month with the shortest days in Augusta, Montana, is December, with an average of 8h and 30min of daylight.On the first day of the month, sunrise is at 7:57 am and sunset at 4:40 pm. On the last day of December, sunrise is at 8:17 am and sunset at 4:48 pm MST.
Sunshine
The month with the least sunshine is December, with an average of 5.8h of sunshine.UV index
The months with the lowest UV index in Augusta are January through March, October through December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum daily UV index of 2 during December translates into the following directions:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
Frequently asked questions
What are the coldest months in Augusta?
How cold is December in Augusta?
What is the average humidity in December in Augusta?
What is the driest month in Augusta?
How many days does it rain in December in Augusta?
How much does it snow in Augusta in December?
What is the month with the shortest days in Augusta?
How many hours of daylight does Augusta have in December?
When is the sunrise / sunset in December in Augusta?
What is the month with the least sunshine in Augusta?
How long on average sun shines in December in Augusta?
What are the months with the lowest UV index in Augusta?
How high is the UV index in December in Augusta?
Average temperature in December
Augusta, MT
- Average high temperature in December: 28.8°F
The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is December (28.8°F).
- Average low temperature in December: 16.2°F
The month with the highest average low temperature is August (55.9°F).
The coldest month (with the lowest average low temperature) is December (16.2°F).
Average pressure in December
Augusta, MT
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in December
Augusta, MT
- Average wind speed in December: 10.7mph
The windiest month (with the highest average wind speed) is January (11.2mph).
The calmest months (with the lowest average wind speed) are July and August (8mph).
Average humidity in December
Augusta, MT
- Average humidity in December: 75%
The month with the highest relative humidity is January (76%).
The month with the lowest relative humidity is August (42%).
Average rainfall in December
Augusta, MT
- Average rainfall in December: 0.35"
The wettest month (with the highest rainfall) is June (1.93").
The driest month (with the least rainfall) is December (0.35").
Average rainfall days in December
Augusta, MT
- Average rainfall days in December: 3.5 days
The month with the highest number of rainy days is May (11.3 days).
The month with the least rainy days is November (2.7 days).
Average snowfall in December
Augusta, MT
- Average snowfall in December: 2.4"
The month with the highest snowfall is February (4.17").
The months with the least snowfall are June, July and August (0").
Average snowfall days in December
Augusta, MT
- Average snowfall days in December: 8.3 days
The month with the highest number of snowfall days is February (11.3 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in December /
Average sunshine in December
Augusta, MT
- Average daylight in December: 8h and 3min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in December: 5h and 5min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 48min).
Average sunshine days in December
Augusta, MT
- Average sunshine days in December: 21.7 days
The month with the most sunshine days is October (23.2 days).
The month with the least sunshine days is February (15.8 days).
Average UV index in December
Augusta, 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
Augusta, MT
- Average cloud cover in December: 38
The month with the most cloud cover is February (Cloud cover 41).
The month with the least cloud cover is July (Cloud cover 14).
Average visibility in December
Augusta, 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).
Augusta, Montana, USA
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