December weather forecast
Bismarck, ND

The historical building of the State Capitol in Bismarck, North Dakota
The historical building of the State Capitol in Bismarck, North Dakota

Weather in December

The first month of the winter, December, is still a freezing cold month in Bismarck, North Dakota, with an average temperature varying between 11.3°F (-11.5°C) and 23.2°F (-4.9°C).

Temperature

In December, the average high-temperature declines considerably from a cold 38.7°F (3.7°C) in November to a subzero cold 23.2°F (-4.9°C). The average low-temperature, in Bismarck, is 11.3°F (-11.5°C).

Humidity

In Bismarck, the average relative humidity in December is 86%.

Rainfall

In Bismarck, in December, it is raining for 3.6 days, with typically 0.75" (19mm) of accumulated 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 Bismarck, North Dakota, during 15.7 snowfall days, 3.98" (101mm) of snow is typically accumulated. In Bismarck, during the entire year, snow falls for 73.7 days and aggregates up to 23.11" (587mm) of snow.

Daylight

With an average of 8h and 37min of daylight, December has the shortest days of the year.
On the first day of December, sunrise is at 8:07 am and sunset at 4:56 pm. On the last day of the month, sunrise is at 8:28 am and sunset at 5:04 pm CST.

Sunshine

The average sunshine in December is 4h.

UV index

January, November and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for average individuals.
Note: The daily maximum UV index of 1 in December interpret into the following advice:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
[Resources]

FAQ

What is the average humidity in December in Bismarck?

In December, the average relative humidity in Bismarck, North Dakota, is 86%.

How much does it rain in Bismarck in December?

In December, in Bismarck, the rain falls for 3.6 days. Throughout December, 0.75" (19mm) of precipitation is accumulated.

How much does it snow in Bismarck in December?

In Bismarck, during December, snow falls for 15.7 days and regularly aggregates up to 3.98" (101mm) of snow.

What is the month with the shortest days in Bismarck?

With an average of 8h and 37min of daylight, December has the shortest days of the year in Bismarck.

How many hours of daylight does Bismarck have in December?

The average day length in December in Bismarck, North Dakota, is 8h and 37min.

When are sunrise and sunset in December in Bismarck?

On the first day of December in Bismarck, sunrise is at 8:07 am and sunset at 4:56 pm. On the last day of the month, sunrise is at 8:28 am and sunset at 5:04 pm CST.

How long on average sun shines in December in Bismarck?

In December, the average sunshine duration in Bismarck, North Dakota, is 4h.

What are the months with the lowest UV index in Bismarck?

The months with the lowest UV index in Bismarck are January, November and December, with an average maximum UV index of 1.

How high is the UV index in December in Bismarck?

In Bismarck, North Dakota, the average daily maximum UV index in December is 1. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Bismarck, ND

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).

[Resources]

Average pressure in December
Bismarck, ND

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).

[Resources]

Average wind speed in December
Bismarck, ND

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).

[Resources]

Average humidity in December
Bismarck, ND

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%).

[Resources]

Average rainfall in December
Bismarck, ND

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").

[Resources]

Average rainfall days in December
Bismarck, ND

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).

[Resources]

Average snowfall in December
Bismarck, ND

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").

[Resources]

Average snowfall days in December
Bismarck, ND

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).

[Resources]

Average daylight in December /
Average sunshine in December
Bismarck, ND

Average daylight in December / Average sunshine in December - Bismarck, ND
  • Average daylight in December: 8h and 37min

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 37min).

  • 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).

[Resources]

Average sunshine days in December
Bismarck, ND

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).

[Resources]

Average UV index in December
Bismarck, ND

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).

[Resources]

Average cloud cover in December
Bismarck, ND

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).

[Resources]

Average visibility in December
Bismarck, ND

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).

[Resources]

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location
* you will be automatically redirected to the weather forecast for your location