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
A notable decrease in the average high-temperature is observed during December, falling from an icy 35.4°F (1.9°C) in November to a freezing cold 20.1°F (-6.6°C). In December, Butte reports a consistent average low-temperature of 8.2°F (-13.2°C) during the nights.Humidity
The average relative humidity in December is 89%.Rainfall
In Butte, in December, during 3 rainfall days, 0.83" (21mm) of precipitation is typically accumulated. In Butte, during the entire year, the rain falls for 105.9 days and collects up to 17.32" (440mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. December is the month with the most snowfall. Snow falls for 16 days and accumulates 4.84" (123mm) of snow.Daylight
December has the shortest days of the year, with an average of 8h and 30min of daylight.On the first day of December in Butte, sunrise is at 8:11 am and sunset at 4:52 pm. On the last day of the month, sunrise is at 8:31 am and sunset at 5:00 pm CST.
Sunshine
The average sunshine in December in Butte is 3.6h.UV index
January, February and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: The daily high UV index of 1 during December translates into the following recommendations:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Enhance your sun protection with tightly woven, yet airy clothing. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Frequently asked questions
How cold is it in Butte in December?
What is the average humidity in December in Butte?
How many days does it rain in December in Butte?
When does it snow the most in Butte?
How many days does it snow in December in Butte?
What is the month with the shortest days in Butte?
What is the average length of the day in December in Butte?
When are sunrise and sunset in December in Butte?
How long on average sun shines in December in Butte?
When is the lowest UV index in Butte?
What is the UV index reading in December in Butte?
Average temperature in December
Butte, ND
- Average high temperature in December: 20.1°F
The warmest month (with the highest average high temperature) is July (80.4°F).
The month with the lowest average high temperature is January (17.1°F).
- Average low temperature in December: 8.2°F
The month with the highest average low temperature is July (59.5°F).
The coldest month (with the lowest average low temperature) is January (3°F).
Average pressure in December
Butte, ND
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is February (30.18"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in December
Butte, ND
- Average wind speed in December: 10.2mph
The windiest month (with the highest average wind speed) is October (11.5mph).
The calmest month (with the lowest average wind speed) is August (8.8mph).
Average humidity in December
Butte, ND
- Average humidity in December: 89%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is August (57%).
Average rainfall in December
Butte, ND
- Average rainfall in December: 0.83"
The wettest month (with the highest rainfall) is June (3.07").
The driest month (with the least rainfall) is February (0.51").
Average rainfall days in December
Butte, ND
- Average rainfall days in December: 3 days
The month with the highest number of rainy days is June (17.3 days).
The month with the least rainy days is February (2.1 days).
Average snowfall in December
Butte, ND
- Average snowfall in December: 4.84"
The month with the highest snowfall is December (4.84").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Butte, ND
- Average snowfall days in December: 16 days
The month with the highest number of snowfall days is December (16 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Butte, ND
- Average daylight in December: 8h and 3min
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 30min).
- Average sunshine in December: 3h and 4min
The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).
Average sunshine days in December
Butte, ND
- Average sunshine days in December: 14.5 days
The month with the most sunshine days is September (18 days).
The month with the least sunshine days is June (9.8 days).
Average UV index in December
Butte, ND
- Average UV index in December: 1
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February and December (UV index 1).
Average cloud cover in December
Butte, ND
- Average cloud cover in December: 63
The month with the most cloud cover is February (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 23).
Average visibility in December
Butte, ND
- Average visibility in December: 5mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March and December (5mi).
Butte, North Dakota, USA
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