January weather forecast and climate
Bismarck, ND

The historical building of the State Capitol in Bismarck, North Dakota
The historical building of the State Capitol in Bismarck, North Dakota
January, like December, is another subzero cold winter month in Bismarck, North Dakota, with average temperature fluctuating between 20.8°F (-6.2°C) and 6.1°F (-14.4°C).

Temperature

With an average high-temperature of 20.8°F (-6.2°C) and an average low-temperature of 6.1°F (-14.4°C), January is the coldest month.

Humidity

With an average relative humidity of 89%, January is the most humid month.

Rainfall

January is the month with the least rainfall in Bismarck. Rain falls for 4 days and accumulates 0.59" (15mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In Bismarck, in January, during 14.8 snowfall days, 3.58" (91mm) of snow is typically accumulated. In Bismarck, North Dakota, during the entire year, snow falls for 73.7 days, and aggregates up to 23.11" (587mm) of snow.

Daylight

In January, the average length of the day is 9.1h.

Sunshine

The month with the least sunshine in Bismarck is January, with an average of 3.8h of sunshine.

UV index

Months with the lowest UV index in Bismarck are January, November and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a low health risk from the exposure to the Sun's UV rays for ordinary individuals.
Note: In January, the average maximum UV index of 1 translate into the following recommendations:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.

What is the coldest month in Bismarck?

The coldest month is January, with an average high-temperature of 20.8°F (-6.2°C) and an average low-temperature of 6.1°F (-14.4°C).

What is the temperature in January in Bismarck?

In January, in Bismarck, North Dakota, the average high-temperature is 20.8°F (-6.2°C), and the average low-temperature is 6.1°F (-14.4°C).

What is the most humid month in Bismarck?

The most humid month is January, with an average relative humidity of 89%.

What is the average humidity in January in Bismarck?

In January, the average relative humidity in Bismarck, North Dakota, is 89%.

How much does it rain in Bismarck in January?

In Bismarck, during January, the rain falls for 4 days and regularly aggregates up to 0.59" (15mm) of precipitation.

What is the driest month in Bismarck?

The month with the least rainfall in Bismarck, North Dakota, is January when the rain falls for 4 days and typically collects 0.59" (15mm) of precipitation.

How many days does it snow in January in Bismarck?

In Bismarck, North Dakota, in January, during 14.8 snowfall days, 3.58" (91mm) of snow is typically accumulated.

What is the average length of the day in January in Bismarck?

The average length of the day in January in Bismarck is 9.1h.

What is the month with the least sunshine in Bismarck?

January has the least sunshine of the year in Bismarck, with an average of 3.8h of sunshine.

How long on average sun shines in January in Bismarck?

In January, the average sunshine in Bismarck, North Dakota, is 3.8h.

What is the month with the lowest UV index in Bismarck?

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

What is the UV index reading in January in Bismarck?

The average daily maximum UV index in January in Bismarck is 1. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to the UV radiation.
Average temperature in January - Bismarck, ND
  • Average high temperature in January: 20.8°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 January: 6.1°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 January - Bismarck, ND
  • Average pressure in January: 30.15"

The month with the highest atmospheric pressure is February (30.17").
The month with the lowest atmospheric pressure is June (29.85").

Average wind speed in January - Bismarck, ND
  • Average wind speed in January: 9.9mph

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 January - Bismarck, ND
  • Average humidity in January: 89%

The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (55%).

Average rainfall in January - Bismarck, ND
  • Average rainfall in January: 0.59"

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 January - Bismarck, ND
  • Average rainfall days in January: 4 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 January - Bismarck, ND
  • Average snowfall in January: 3.58"

The month with the highest snowfall is February (4.33").
Months with the least snowfall are June, July, August and September (0").

Average snowfall days in January - Bismarck, ND
  • Average snowfall days in January: 14.8 days

The month with the highest number of snowfall days is December (15.7 days).
Months with the least snowfall days are June, July, August and September (0 days).

Average daylight in January / Average sunshine in January - Bismarck, ND
  • Average daylight in January: 9.1h

The month with the longest days is June (Average daylight: 15.8h).
The month with the shortest days is December (Average daylight: 8.6h).

  • Average sunshine in January: 3.8h

The month with the most sunshine is July (Average sunshine: 11.4h).
The month with the least sunshine is January (Average sunshine: 3.8h).

Average sunshine days in January - Bismarck, ND
  • Average sunshine days in January: 13.8 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 January - Bismarck, ND
  • Average UV index in January: 1

The month with the highest UV index is July (UV index 6).
Months with the lowest UV index are January, November and December (UV index 1).

Average cloud cover in January - Bismarck, ND
  • Average cloud cover in January: 59

The month with the most cloud cover is February (Cloud cover 60).
Months with the least cloud cover are July and August (Cloud cover 21).

Average visibility in January - Bismarck, ND
  • Average visibility in January: 5mi

Months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
Months with the lowest visibility are January, February, March and December (5mi).