Bismarck
North Dakota, USA
Long-term weather forecast
Long-term weather forecast

Monthly weather forecast and climate
Bismarck, ND

An across the park view of the historical building of the State Capitol in Bismarck, North Dakota
An across the park view of the historical building of the State Capitol in Bismarck, North Dakota
January, the same as December, in Bismarck, North Dakota, is a freezing cold winter month, with average temperature fluctuating between 2.1°F (-16.6°C) and 23.4°F (-4.8°C). January is the coldest month, with an average high-temperature of 23.4°F (-4.8°C) and an average low-temperature of 2.1°F (-16.6°C). Weather in January »
February, the last month of the winter, in Bismarck, is another freezing cold month, with temperature in the range of an average low of 7.9°F (-13.4°C) and an average high of 28.2°F (-2.1°C). In February, the average high-temperature is essentially the same as in January - a still freezing cold 28.2°F (-2.1°C). Weather in February »

March, the first month of the spring, in Bismarck, is a wintry month, with average temperature varying between 19.4°F (-7°C) and 40.5°F (4.7°C). In March, the average high-temperature rises, from a subzero cold 28.2°F (-2.1°C) in February, to a wintry 40.5°F (4.7°C). Weather in March »

April is a moderate spring month in Bismarck, North Dakota, with average temperature varying between 30.7°F (-0.7°C) and 57°F (13.9°C). In Bismarck, the average high-temperature soars, from a wintry 40.5°F (4.7°C) in March, to a moderate 57°F (13.9°C). Weather in April »

May, the last month of the spring, in Bismarck, is an agreeable month, with temperature in the range of an average low of 42.6°F (5.9°C) and an average high of 68.4°F (20.2°C). In May, the average high-temperature increases, from a mild 57°F (13.9°C) in April, to an agreeable 68.4°F (20.2°C). Weather in May »

June, the first month of the summer, in Bismarck, is a moderately hot month, with average temperature varying between 77.2°F (25.1°C) and 52°F (11.1°C). In Bismarck, the average high-temperature in June marginally rises, from an agreeable 68.4°F (20.2°C) in May, to a warm 77.2°F (25.1°C). Weather in June »

July, the same as June, is a moderately hot summer month in Bismarck, North Dakota, with average temperature fluctuating between 57.4°F (14.1°C) and 84.7°F (29.3°C). The warmest month is July, with an average high-temperature of 84.7°F (29.3°C) and an average low-temperature of 57.4°F (14.1°C). Weather in July »

August, the last month of the summer, in Bismarck, is another warm month, with average temperature varying between 55.6°F (13.1°C) and 83.5°F (28.6°C). In Bismarck, the average high-temperature is practically the same as in July - a still warm 83.5°F (28.6°C). Weather in August »

September, the first month of the autumn, in Bismarck, is also an agreeable month, with average temperature fluctuating between 45°F (7.2°C) and 72.1°F (22.3°C). In Bismarck, the average high-temperature decreases, from a warm 83.5°F (28.6°C) in August, to a pleasant 72.1°F (22.3°C). Weather in September »

October, the same as September, in Bismarck, North Dakota, is another mild autumn month, with average temperature fluctuating between 57.6°F (14.2°C) and 32.2°F (0.1°C). In Bismarck, the average high-temperature in October plummets, from an agreeable 72.1°F (22.3°C) in September, to a mild 57.6°F (14.2°C). Weather in October »

November, the last month of the autumn, in Bismarck, is also a wintry month, with average temperature varying between 18.9°F (-7.3°C) and 39.6°F (4.2°C). In Bismarck, the average high-temperature in November plummets, from a mild 57.6°F (14.2°C) in October, to a cold 39.6°F (4.2°C). Weather in November »

The first month of the winter, December, is still a freezing cold month in Bismarck, North Dakota, with average temperature varying between 26.2°F (-3.2°C) and 6.1°F (-14.4°C). In December, the average high-temperature drops, from a cold 39.6°F (4.2°C) in November, to a freezing cold 26.2°F (-3.2°C). Weather in December »

What is the coldest month in Bismarck?

With an average high-temperature of 23.4°F (-4.8°C) and an average low-temperature of 2.1°F (-16.6°C), January is the coldest month.

How many days does it rain in Bismarck?

Throughout the year, there are 97.7 rainfall days, and 17.9" (453.4mm) of precipitation is accumulated.

What is the driest month in Bismarck?

January is the month with the least rainfall. Rain falls for 7.5 days and accumulates 0.4" (10.9mm) of precipitation.

When does it snow in Bismarck?

Months with snowfall are January through May, September through December.

How much does it snow in Bismarck?

Throughout the year, in Bismarck, there are 45.2 snowfall days, and 51.2" (1300.5mm) of snow is accumulated.

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

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

What is the least humid month in Bismarck?

With an average relative humidity of 60.1%, May is the least humid month in Bismarck, North Dakota.

What is the wettest month in Bismarck?

June is the month with the most rainfall in Bismarck, North Dakota. Rain falls for 11.2 days and accumulates 3.2" (80.5mm) of precipitation.

When are the longest days in Bismarck?

With an average of 15.8h of daylight, June has the longest days of the year in Bismarck.

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

June and July, with an average maximum UV index of 8, are months with the highest UV index in Bismarck, North Dakota.

What is the warmest month in Bismarck?

With an average high-temperature of 84.7°F (29.3°C) and an average low-temperature of 57.4°F (14.1°C), July is the warmest month.

What month has the most sunshine in Bismarck?

The month with the most sunshine in Bismarck is July, with an average of 11.4h of sunshine.

What is the most humid month in Bismarck?

The most humid month is December, with an average relative humidity of 74.5%.

What is the snowiest month in Bismarck?

December is the month with the most snowfall. Snow falls for 10 days and accumulates 9.3" (236.2mm) of snow.

What is the month with the shortest days in Bismarck?

The month with the shortest days in Bismarck, North Dakota, is December, with an average of 8.6h of daylight.

What is the month with the least sunshine in Bismarck?

With an average of 4h of sunshine, December has the least sunshine of the year in Bismarck, North Dakota.
Average temperature - Bismarck, ND
Average humidity - Bismarck, ND
Average rainfall - Bismarck, ND
Average rainfall days - Bismarck, ND

The month with the highest number of rainy days is June (11.2 days).
The month with the lowest number of rainy days is October (6.6 days).

Average snowfall days - Bismarck, ND

The month with the highest number of snowfall days is December (10 days).
Months with the lowest number of snowfall days are June, July and August (0 days).

Average daylight / Average sunshine - Bismarck, ND