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
As November gives way to December, the average high-temperature displays a considerable decrease, falling from an icy 33.8°F (1°C) to a subzero cold 17.2°F (-8.2°C). During the month of December, the temperature in Mountain generally drops to a low average of 7°F (-13.9°C).Humidity
In December, the average relative humidity in Mountain is 89%.Rainfall
In Mountain, North Dakota, in December, during 3.5 rainfall days, 0.71" (18mm) of precipitation is typically accumulated. In Mountain, during the entire year, the rain falls for 101.7 days and collects up to 14.96" (380mm) of precipitation.Snowfall
January through May, September through December are months with snowfall in Mountain. December is the month with the most snowfall in Mountain, North Dakota. Snow falls for 13.5 days and accumulates 3.43" (87mm) of snow.Daylight
With an average of 8h and 24min of daylight, December has the shortest days of the year in Mountain.On the first day of December in Mountain, North Dakota, sunrise is at 8:03 am and sunset at 4:37 pm. On the last day of the month, sunrise is at 8:24 am and sunset at 4:45 pm CST.
Sunshine
In December, the average sunshine in Mountain is 3.8h.UV index
The months with the lowest UV index in Mountain are January, February, November 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 ordinary individuals.Note: In December, an average UV index of 1 transforms into the following instructions:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Mountain?
What is the average humidity in December in Mountain?
How many days does it rain in December in Mountain?
What is the snowiest month in Mountain?
How many days does it snow in December in Mountain?
What is the month with the shortest days in Mountain?
How many hours of daylight does Mountain have in December?
When are sunrise and sunset in December in Mountain?
How many hours of sunshine does Mountain have in December?
What are the months with the lowest UV index in Mountain?
How high is the UV index in December in Mountain?
Average temperature in December
Mountain, ND
- Average high temperature in December: 17.2°F
The warmest month (with the highest average high temperature) is August (79.9°F).
The month with the lowest average high temperature is January (14.2°F).
- Average low temperature in December: 7°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 (0.9°F).
Average pressure in December
Mountain, ND
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is February (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in December
Mountain, ND
- Average wind speed in December: 9.6mph
The windiest month (with the highest average wind speed) is October (10.4mph).
The calmest month (with the lowest average wind speed) is August (8.1mph).
Average humidity in December
Mountain, 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 (59%).
Average rainfall in December
Mountain, ND
- Average rainfall in December: 0.71"
The wettest month (with the highest rainfall) is June (2.56").
The driest month (with the least rainfall) is February (0.51").
Average rainfall days in December
Mountain, ND
- Average rainfall days in December: 3.5 days
The month with the highest number of rainy days is June (16.5 days).
The month with the least rainy days is February (2 days).
Average snowfall in December
Mountain, ND
- Average snowfall in December: 3.43"
The month with the highest snowfall is December (3.43").
The months with the least snowfall are June, July and August (0").
Average snowfall days in December
Mountain, ND
- Average snowfall days in December: 13.5 days
The month with the highest number of snowfall days is January (14.4 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Mountain, ND
- Average daylight in December: 8h and 2min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in December: 3h and 5min
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 12min).
Average sunshine days in December
Mountain, ND
- Average sunshine days in December: 16.5 days
The month with the most sunshine days is August (19.2 days).
The month with the least sunshine days is June (10.3 days).
Average UV index in December
Mountain, 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, November and December (UV index 1).
Average cloud cover in December
Mountain, ND
- Average cloud cover in December: 61
The month with the most cloud cover is January (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 24).
Average visibility in December
Mountain, 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).
Mountain, North Dakota, USA
Weather forecast for your location
2. Allow the app to use your location