Bismarck weather in October 2025

Expect daytime maximum temperatures of 15°C in Bismarck, North Dakota in October based on long-term weather averages. There are 6 hours of sunshine per day on average.

  • 15°C maximum daytime temperature in October in Bismarck15
    15°C max day temperature
  • 6 hours of sunshine per day
  • 5 days with some rainfall in October in Bismarck5
    5 days with some rainfall
  • 0°C minimum night-time temperature in October in Bismarck0
    0°C min night temperature
  • 11 hours of daylight per day in October in Bismarck11
    11 hours of daylight per day
  • No heat & humidity in October in Bismarck0
    No heat & humidity
  • 23 mm monthly rainfall in October in Bismarck23
    23 mm of monthly rainfall
  • UV (maximum) index 3 (Moderate) in October in Bismarck3
    3 (Moderate) UV index

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