December weather forecastBismarck, ND
December
Weather in December
December in Bismarck carries the full blast of winter with it. It's characterized by low temperatures, high humidity, and prominent snowfall. With temperatures nosediving from 23.2°F (-4.9°C) to 11.3°F (-11.5°C), the city sees the highest amount of snowfall at 3.98" (101mm), contributing to the winter wonderland ambiance. Despite the low temperatures, the holiday spirit is high, marking the end of the year under a blanket of snow and twinkling lights.Temperature
Bismarck sees a considerable decrease in average high-temperatures during December, falling from a wintry 38.7°F (3.7°C) in November to a subzero cold 23.2°F (-4.9°C). In the month of December, an average of 11.3°F (-11.5°C) marks the low-temperature in Bismarck.Humidity
In December, the average relative humidity is 86%.Rainfall
In Bismarck, North Dakota, during December, the rain falls for 3.6 days and regularly aggregates up to 0.75" (19mm) of precipitation. Throughout the year, there are 105.9 rainfall days, and 15" (381mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Bismarck, in December, snow falls for 15.7 days, with typically accumulated 3.98" (101mm) of snow. In Bismarck, during the entire year, snow falls for 73.7 days and aggregates up to 23.11" (587mm) of snow.Daylight
The month with the shortest days is December, with an average of 8h and 36min of daylight.On the first day of the month, sunrise is at 8:08 am and sunset at 4:56 pm. On the last day of December, sunrise is at 8:28 am and sunset at 5:04 pm CST.
Sunshine
In Bismarck, the average sunshine in December is 4h.UV index
The months with the lowest UV index are January, November and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum UV index of 1 during December leads to these instructions:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Bismarck, ND
- Average high temperature in December: 23.2°F
The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is January (20.8°F).
- Average low temperature in December: 11.3°F
The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (6.1°F).
Average pressure in December
Bismarck, ND
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is February (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in December
Bismarck, ND
- Average wind speed in December: 9.6mph
The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest month (with the lowest average wind speed) is August (8.3mph).
Average humidity in December
Bismarck, ND
- Average humidity in December: 86%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (55%).
Average rainfall in December
Bismarck, ND
- Average rainfall in December: 0.75"
The wettest month (with the highest rainfall) is June (2.28").
The driest month (with the least rainfall) is January (0.59").
Average rainfall days in December
Bismarck, ND
- Average rainfall days in December: 3.6 days
The month with the highest number of rainy days is May (15.5 days).
The month with the least rainy days is February (3.4 days).
Average snowfall in December
Bismarck, ND
- Average snowfall in December: 3.98"
The month with the highest snowfall is February (4.33").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Bismarck, ND
- Average snowfall days in December: 15.7 days
The month with the highest number of snowfall days is December (15.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Bismarck, ND
- Average daylight in December: 8h and 36min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in December: 4h and 0min
The month with the most sunshine is July (Average sunshine: 11h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in December
Bismarck, ND
- Average sunshine days in December: 14.1 days
The month with the most sunshine days is September (19.9 days).
The month with the least sunshine days is March (12.3 days).
Average UV index in December
Bismarck, 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, November and December (UV index 1).
Average cloud cover in December
Bismarck, ND
- Average cloud cover in December: 58
The month with the most cloud cover is February (Cloud cover 60).
The months with the least cloud cover are July and August (Cloud cover 21).
Average visibility in December
Bismarck, 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).
