When to go · Bismarck
Bismarck, month by month
The best months for Bismarck: Jun, Jul, Aug, Sep, Oct. Months to avoid: Jan, Feb, Dec.
Month by month
- JanuaryAvoidListed as a month to avoid: Dec–Feb (highs near −5 °C, wind chill below −20 °C); late Jul–Aug heat and thunderstorms.Listed as a month to avoid: Dec–Feb (highs near 23 °F, wind chill below −4 °F); late Jul–Aug heat and thunderstorms.-5 °C / -17 °C, 5 rain days23 °F / 1 °F, 5 rain daysCrowds: Low
- FebruaryAvoidListed as a month to avoid: Dec–Feb (highs near −5 °C, wind chill below −20 °C); late Jul–Aug heat and thunderstorms.Listed as a month to avoid: Dec–Feb (highs near 23 °F, wind chill below −4 °F); late Jul–Aug heat and thunderstorms.-2 °C / -13 °C, 5 rain days28 °F / 9 °F, 5 rain daysCrowds: Low · 1 festival or holiday
- MarchGoodOutside the best window (Jun–Sep (warm, long days); Sep–Oct for cool, dry driving weather). Across United States: Spring break fills Florida beaches and parks; the desert parks come into season.4 °C / -7 °C, 6 rain days39 °F / 19 °F, 6 rain daysCrowds: Medium · 2 festivals or holidays
- AprilGoodOutside the best window (Jun–Sep (warm, long days); Sep–Oct for cool, dry driving weather). Across United States: Good month for the Southwest, Washington cherry blossoms, the South; mountain roads still closed.14 °C / -1 °C, 8 rain days57 °F / 30 °F, 8 rain daysCrowds: Medium · 1 festival or holiday
- MayGoodOutside the best window (Jun–Sep (warm, long days); Sep–Oct for cool, dry driving weather). Across United States: Warm and green; Memorial Day (last Monday) opens the summer season; timed-entry systems start at some parks.20 °C / 6 °C, 10 rain days68 °F / 43 °F, 10 rain daysCrowds: Medium · 1 festival or holiday
- JuneGreatInside Bismarck's best window: Jun–Sep (warm, long days); Sep–Oct for cool, dry driving weather.25 °C / 11 °C, 11 rain days77 °F / 52 °F, 11 rain daysCrowds: High
- JulyGreatInside Bismarck's best window: Jun–Sep (warm, long days); Sep–Oct for cool, dry driving weather.29 °C / 14 °C, 10 rain days84 °F / 57 °F, 10 rain daysCrowds: High · 1 festival or holiday
- AugustGreatInside Bismarck's best window: Jun–Sep (warm, long days); Sep–Oct for cool, dry driving weather.29 °C / 13 °C, 9 rain days84 °F / 55 °F, 9 rain daysCrowds: High
- SeptemberGreatInside Bismarck's best window: Jun–Sep (warm, long days); Sep–Oct for cool, dry driving weather.22 °C / 7 °C, 8 rain days72 °F / 45 °F, 8 rain daysCrowds: Medium · 1 festival or holiday
- OctoberGreatInside Bismarck's best window: Jun–Sep (warm, long days); Sep–Oct for cool, dry driving weather.14 °C / 0 °C, 7 rain days57 °F / 32 °F, 7 rain daysCrowds: Medium
- NovemberMixedOutside the best window (Jun–Sep (warm, long days); Sep–Oct for cool, dry driving weather). Across United States: Quiet between holidays; Thanksgiving week is the busiest travel period of the year.4 °C / -7 °C, 6 rain days39 °F / 19 °F, 6 rain daysCrowds: Medium · 1 festival or holiday
- DecemberAvoidListed as a month to avoid: Dec–Feb (highs near −5 °C, wind chill below −20 °C); late Jul–Aug heat and thunderstorms.Listed as a month to avoid: Dec–Feb (highs near 23 °F, wind chill below −4 °F); late Jul–Aug heat and thunderstorms.-3 °C / -14 °C, 6 rain days27 °F / 7 °F, 6 rain daysCrowds: High · 1 festival or holiday