December weather forecastAnaconda, MT
December
Weather in December
Anaconda's December is typically marked by a winter wonderland scenario. The festive spirit is echoed in the city's weather with temperatures often plunging down to 10.8°F (-11.8°C). Snow adds a charm to Christmas decorations and Yuletide celebrations. Despite the harsh cold, the locals create a congenial atmosphere by hosting a series of events and activities. Thus, in Anaconda, December weather does not dampen, but rather enhances, the festive fervor.Temperature
Anaconda, Montana, experiences its lowest average temperatures in December, reaching a peak of 25.3°F (-3.7°C) and a minimum of 10.8°F (-11.8°C).Humidity
In Anaconda, the average relative humidity in December is 87%.Rainfall
The months with the least rainfall in Anaconda are January and December Rain falls for 8.1 days and accumulates 0.94" (24mm) of rain.Snowfall
January through June, September through December are months with snowfall. In Anaconda, during December, snow falls for 17.2 days and regularly aggregates up to 7.4" (188mm) of snow. Throughout the year, there are 117.3 snowfall days, and 65.47" (1663mm) 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 7:54 am and sunset at 4:47 pm. On the last day of December, in Anaconda, sunrise is at 8:14 am and sunset at 4:56 pm MST.
Sunshine
January and December, with an average of 5.4h of sunshine, are months with the least sunshine in Anaconda, Montana.UV index
The months with the lowest UV index are February and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for the ordinary person.Note: In December, the maximum UV index of 1 suggests these recommendations:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Anaconda, MT
- Average high temperature in December: 25.3°F
The warmest month (with the highest average high temperature) is July (75.4°F).
The month with the lowest average high temperature is December (25.3°F).
- Average low temperature in December: 10.8°F
The month with the highest average low temperature is August (44.6°F).
The coldest month (with the lowest average low temperature) is December (10.8°F).
Average pressure in December
Anaconda, MT
- Average pressure in December: 30.19"Hg
The month with the highest atmospheric pressure is January (30.21"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in December
Anaconda, MT
- Average wind speed in December: 6.5mph
The windiest months (with the highest average wind speed) are January and November (6.6mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity in December
Anaconda, MT
- Average humidity in December: 87%
The month with the highest relative humidity is February (89%).
The months with the lowest relative humidity are July and August (50%).
Average rainfall in December
Anaconda, MT
- Average rainfall in December: 0.94"
The wettest month (with the highest rainfall) is June (2.87").
The driest months (with the least rainfall) are January and December (0.94").
Average rainfall days in December
Anaconda, MT
- Average rainfall days in December: 8.1 days
The month with the highest number of rainy days is May (19.4 days).
The month with the least rainy days is November (7.9 days).
Average snowfall in December
Anaconda, MT
- Average snowfall in December: 7.4"
The month with the highest snowfall is February (11.93").
The months with the least snowfall are July and August (0").
Average snowfall days in December
Anaconda, MT
- Average snowfall days in December: 17.2 days
The month with the highest number of snowfall days is February (20.2 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in December /
Average sunshine in December
Anaconda, MT
- Average daylight in December: 8h and 42min
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 24min
The month with the most sunshine is July (Average sunshine: 11h and 36min).
The months with the least sunshine are January and December (Average sunshine: 5h and 24min).
Average sunshine days in December
Anaconda, MT
- Average sunshine days in December: 13.9 days
The month with the most sunshine days is September (17.2 days).
The months with the least sunshine days are February and April (7.2 days).
Average UV index in December
Anaconda, 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 February and December (UV index 1).
Average cloud cover in December
Anaconda, MT
- Average cloud cover in December: 48
The month with the most cloud cover is February (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 16).
Average visibility in December
Anaconda, 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).
