Cool
Average highs are around 14°C, so pack for cooler days.
Weather Guide
Bismarck, North Dakota, United States Average Monthly Weather
Weather score50Mixed annual avg
Best months: July, August, June
Across the year, average daytime temperatures are around 12°C, sunshine averages 7.3h per day, and rainfall totals about 403mm.
Annual weather
Annual averages
Temp
12°C
Rain
403mm
Annual total
Sun
7.3h
Weather score
50
Mixed avg
Seasonal climate calendar
Trip feel
Drier
Rainfall averages 25mm, which is relatively low for holiday planning.
Some sun
Sunshine averages 6h per day, enough for a balanced month.
Map
Weather map
Compare Bismarck, North Dakota, United States with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
October14°C average high
October is close to Bismarck's yearly temperature average, giving a typical read on daytime heat.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
Rain
October25mm average rain
October sits on the drier side of Bismarck's year, which helps with sightseeing and transfers.
Driest monthsJanuary to April and September to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
October6 hours average sun
October is below Bismarck's yearly sunshine average, so bright-day planning is less reliable than in peak months.
Brightest monthsJune to August
This stretch has the strongest sunshine in the monthly averages.
Weather score
October40 weather score
October scores below Bismarck's yearly average, so the weather trade-offs are more noticeable.
Best weather monthsJuly to August
These months have the strongest weather score in the monthly averages.
