Measurements:
°C
°F
Bismarck
6°F
SE 23 mph
Feels like: -14°F
Precip: 0%
World Resorts USA Bismarck Weather August Weather in Bismarck

Bismarck Weather: August

Average Day Temperature: 84.7°F
Average Night Temperature: 66.6°F
Number of Sunny Days: 18 days
Sunshine Hours: 13.4 - 14.9 hours
Number of Rainy Days: 1 day
Precipitation Totals: 0.6 in

Air Temperature in August, °F

Select Year: 2025 2024 2023

The highest day temperature in August 2025 was 95°F. The lowest night temperature was 46°F. The average values for day and night temperatures during August were 81.1°F и 63.9°F respectivly.

Sunny, Cloudy and Gloomy days

Most of the days in August are sunny but you can also expect cloudy and gloomy days.

Precipitation Totals in August, in

Precipitation total in August for Bismarck is 0.6 in.

Wind Speed in August, mph

The average wind speed in August is 8.6 mph. This value is relatively stable throughout the year.

Average Sunny Hours Per Day

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Bismarck in August is 10.1 hours.

Best Time to Visit Bismarck
The most sunny months:
September 21 days
August 18 days
July 17 days
The most warm months:
July 85.8 °F
August 84.7 °F
June 78.0 °F
The most cold months:
January 15.8 °F
February 19.2 °F
December 21.1 °F
The most rainy months:
June 3 days
July 2 days
May 2 days
The most windy months:
April 11 mph
October 9 mph
May 9 mph

Bismarck on the Weather Map

USA Resorts:
NAME
Chicago +42
Hawaii +80
Honolulu +80
Houston +74
Las Vegas +72
Los Angeles +84
Maui +76
Miami +80
Miami Beach +80
New York +48
San Diego +78
San Francisco +58
Sarasota +80
Tampa +82
Washington +52
24 Hours Weather Forecast
Bismarck
Local time: 16:19
18 dec, thursday
1800 8°F
SE
14 mph
2100 8°F
S
10 mph
19 dec, friday
0000 8°F
SW
2 mph
0300 10°F
NW
5 mph
0600 10°F
NW
11 mph
0900 12°F
NW
13 mph
1200 16°F
NW
17 mph
1500 22°F
N
18 mph