December weather forecastButte, NE
December
Weather in December
December concludes the year with the return of winter's chill. It gains the second position in the race for the coldest month, with high and low average temperatures dropping to 31.5°F (-0.3°C) and 20.7°F (-6.3°C) respectively. The streets and homes adorned with holiday lights against the snow-covered backdrop paint an idyllic winter picture. Visitors to Butte in December should plan for a white Christmas.Temperature
December signals a clear decrease in the average high-temperature, dropping from November's chilly 46.4°F (8°C) to a subzero cold 31.5°F (-0.3°C). Butte observes an average low-temperature of 20.7°F (-6.3°C) during December nights.Humidity
The average relative humidity in December is 78%.Rainfall
In Butte, in December, during 2 rainfall days, 0.98" (25mm) of precipitation is typically accumulated. In Butte, during the entire year, the rain falls for 109.3 days and collects up to 19.41" (493mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. The month with the most snowfall in Butte is December, when snow falls for 5.8 days and typically aggregates up to 3.66" (93mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 6min of daylight.On the first day of December, sunrise is at 7:47 am and sunset at 5:02 pm. On the last day of the month, sunrise is at 8:06 am and sunset at 5:11 pm CST.
Sunshine
In Butte, the average sunshine in December is 5.1h.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 of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum UV index of 2 during December leads to these instructions:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Butte, NE
- Average high temperature in December: 31.5°F
The warmest month (with the highest average high temperature) is July (85.1°F).
The month with the lowest average high temperature is January (29.7°F).
- Average low temperature in December: 20.7°F
The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (17.2°F).
Average pressure in December
Butte, NE
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in December
Butte, NE
- Average wind speed in December: 11.6mph
The windiest month (with the highest average wind speed) is April (12.2mph).
The calmest month (with the lowest average wind speed) is July (9.3mph).
Average humidity in December
Butte, NE
- Average humidity in December: 78%
The month with the highest relative humidity is January (81%).
The month with the lowest relative humidity is October (61%).
Average rainfall in December
Butte, NE
- Average rainfall in December: 0.98"
The wettest month (with the highest rainfall) is May (3.03").
The driest month (with the least rainfall) is January (0.43").
Average rainfall days in December
Butte, NE
- Average rainfall days in December: 2 days
The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is January (1.6 days).
Average snowfall in December
Butte, NE
- Average snowfall in December: 3.66"
The month with the highest snowfall is December (3.66").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Butte, NE
- Average snowfall days in December: 5.8 days
The month with the highest number of snowfall days is February (7.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Butte, NE
- Average daylight in December: 9h and 6min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in December: 5h and 6min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).
Average sunshine days in December
Butte, NE
- Average sunshine days in December: 22.1 days
The month with the most sunshine days is November (23.4 days).
The month with the least sunshine days is June (9.6 days).
Average UV index in December
Butte, NE
- 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
Butte, NE
- Average cloud cover in December: 44
The month with the most cloud cover is January (Cloud cover 49).
The months with the least cloud cover are July, August and September (Cloud cover 25).
Average visibility in December
Butte, NE
- 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).





