October 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 October

October, like September, in Bismarck, North Dakota, is a cool autumn month, with an average temperature varying between 54°F (12.2°C) and 38.5°F (3.6°C).

Temperature

In Bismarck, the average high-temperature in October declines considerably from an agreeable 72°F (22.2°C) in September to a cool 54°F (12.2°C). In Bismarck, North Dakota, in October, the average low-temperature is 38.5°F (3.6°C).

Humidity

The average relative humidity in October in Bismarck is 63%.

Rainfall

In October, in Bismarck, the rain falls for 8.6 days. Throughout October, 1.3" (33mm) of precipitation is accumulated. 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. October is the first month it typically snows in Bismarck. Throughout October, in the average 3.2 snowfall days, it receives 1.65" (42mm) 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 average length of the day in October is 10h and 52min.
On the first day of the month, sunrise is at 7:41 am and sunset at 7:23 pm. On the last day of October, in Bismarck, sunrise is at 8:23 am and sunset at 6:29 pm CDT.

Sunshine

In October, the average sunshine in Bismarck is 6.5h.

UV index

The average daily maximum UV index in October is 2. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for the ordinary person.
Note: In October, the average maximum UV index of 2 translate into the following recommendations:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for the 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. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the temperature in October in Bismarck?

In Bismarck, North Dakota, in October, the average high-temperature is 54°F (12.2°C), and the average low-temperature is 38.5°F (3.6°C). The average heat index (a.k.a. 'apparent temperature', 'real feel'), which represents the influence of relative humidity on air temperature, in August is calculated to be 84.2°F (29°C).

What is the average humidity in October in Bismarck?

The average relative humidity in October in Bismarck is 63%.

How much does it rain in Bismarck in October?

In Bismarck, North Dakota, during October, the rain falls for 8.6 days and regularly aggregates up to 1.3" (33mm) of precipitation.

When does it start snowing in Bismarck?

October is the first month it typically snows. Throughout October, in the average 3.2 snowfall days, it receives 1.65" (42mm) of snow.

How many hours of daylight does Bismarck have in October?

In Bismarck, North Dakota, the average day length in October is 10h and 52min.

What time are sunrise and sunset in October in Bismarck?

In October, on the first day of the month, sunrise is at 7:41 am and sunset at 7:23 pm. On the last day of the month, in Bismarck, North Dakota, sunrise is at 8:23 am and sunset at 6:29 pm CDT.

How long on average sun shines in October in Bismarck?

In Bismarck, North Dakota, the average sunshine duration in October is 6.5h.

What is the UV index reading in October in Bismarck?

The average daily maximum UV index in October is 2. A UV Index estimate of 2, and below, represents a low health risk from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in October
Bismarck, ND

Average temperature in October - Bismarck, ND
  • Average high temperature in October: 54°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 October: 38.5°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).

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Average pressure in October
Bismarck, ND

Average pressure in October - Bismarck, ND
  • Average pressure in October: 29.97"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).

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Average wind speed in October
Bismarck, ND

Average wind speed in October - Bismarck, ND
  • Average wind speed in October: 10.6mph

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).

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Average humidity in October
Bismarck, ND

Average humidity in October - Bismarck, ND
  • Average humidity in October: 63%

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

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Average rainfall in October
Bismarck, ND

Average rainfall in October - Bismarck, ND
  • Average rainfall in October: 1.3"

The wettest month (with the highest rainfall) is June (2.28").
The driest month (with the least rainfall) is January (0.59").

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Average rainfall days in October
Bismarck, ND

Average rainfall days in October - Bismarck, ND
  • Average rainfall days in October: 8.6 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).

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Average snowfall in October
Bismarck, ND

Average snowfall in October - Bismarck, ND
  • Average snowfall in October: 1.65"

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

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Average snowfall days in October
Bismarck, ND

Average snowfall days in October - Bismarck, ND
  • Average snowfall days in October: 3.2 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).

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

Average daylight in October / Average sunshine in October - Bismarck, ND
  • Average daylight in October: 10h and 52min

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 October: 6h and 30min

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).

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Average sunshine days in October
Bismarck, ND

Average sunshine days in October - Bismarck, ND
  • Average sunshine days in October: 18.8 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).

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Average UV index in October
Bismarck, ND

Average UV index in October - Bismarck, ND
  • Average UV index in October: 2

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).

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Average cloud cover in October
Bismarck, ND

Average cloud cover in October - Bismarck, ND
  • Average cloud cover in October: 36

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).

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Average visibility in October
Bismarck, ND

Average visibility in October - Bismarck, ND
  • Average visibility in October: 6mi

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).

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