December weather forecastAlzada, MT
December
Weather in December
The first month of the winter, December, is still a freezing cold month in Alzada, Montana, with an average temperature fluctuating between 30.4°F (-0.9°C) and 18.1°F (-7.7°C).Temperature
Alzada experiences its lowest average temperatures in December, reaching a peak of 30.4°F (-0.9°C) and a minimum of 18.1°F (-7.7°C).Humidity
In Alzada, the average relative humidity in December is 78%.Rainfall
In Alzada, in December, during 3.5 rainfall days, 0.59" (15mm) of precipitation is typically accumulated. Throughout the year, there are 100 rainfall days, and 12.83" (326mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, September through December. In Alzada, in December, snow falls for 9.4 days, with typically accumulated 2.95" (75mm) of snow. In Alzada, during the entire year, snow falls for 52.1 days and aggregates up to 23.54" (598mm) of snow.Daylight
With an average of 8h and 48min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:16 am and sunset at 4:17 pm. On the last day of the month, sunrise is at 7:35 am and sunset at 4:26 pm MST.
Sunshine
In Alzada, the average sunshine in December is 5.8h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for the ordinary person.Note: The UV index of 2 in December translates into these instructions:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. It's recommended to limit sun exposure when its radiation is at its peak during midday. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Alzada, MT
- Average high temperature in December: 30.4°F
The warmest month (with the highest average high temperature) is July (85.8°F).
The month with the lowest average high temperature is December (30.4°F).
- Average low temperature in December: 18.1°F
The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is February (17.1°F).
Average pressure in December
Alzada, 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 (29.84"Hg).
Average wind speed in December
Alzada, MT
- Average wind speed in December: 10.1mph
The windiest months (with the highest average wind speed) are January and October (10.4mph).
The calmest month (with the lowest average wind speed) is August (8.3mph).
Average humidity in December
Alzada, MT
- Average humidity in December: 78%
The month with the highest relative humidity is January (80%).
The month with the lowest relative humidity is August (47%).
Average rainfall in December
Alzada, MT
- Average rainfall in December: 0.59"
The wettest month (with the highest rainfall) is May (2.05").
The driest month (with the least rainfall) is January (0.43").
Average rainfall days in December
Alzada, MT
- Average rainfall days in December: 3.5 days
The month with the highest number of rainy days is May (14.3 days).
The month with the least rainy days is January (2.8 days).
Average snowfall in December
Alzada, MT
- Average snowfall in December: 2.95"
The month with the highest snowfall is April (4.88").
The months with the least snowfall are June, July and August (0").
Average snowfall days in December
Alzada, MT
- Average snowfall days in December: 9.4 days
The month with the highest number of snowfall days is February (10.3 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Alzada, MT
- Average daylight in December: 8h and 48min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in December: 5h and 48min
The month with the most sunshine is August (Average sunshine: 11h and 54min).
The month with the least sunshine is February (Average sunshine: 5h and 30min).
Average sunshine days in December
Alzada, MT
- Average sunshine days in December: 19.5 days
The month with the most sunshine days is November (21.3 days).
The month with the least sunshine days is April (12.6 days).
Average UV index in December
Alzada, MT
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Alzada, MT
- Average cloud cover in December: 40
The month with the most cloud cover is February (Cloud cover 42).
The month with the least cloud cover is August (Cloud cover 15).
Average visibility in December
Alzada, 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).
