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Draft data. Times, fares and step counts are desk estimates awaiting field checks. Unknown times stay unknown. How we verify

When to go · Lewistown, Montana

Lewistown, Montana, month by month

The best months for Lewistown, Montana: Jan, Jun, Jul, Aug, Sep. Months to avoid: Feb, Dec.

Month by month

  1. JanuaryGreatInside Lewistown, Montana's best window: Jun–Sep for hiking, fishing and trails; late Jan for the Montana Winter Fair.1 °C / -11 °C, 7 rain daysCrowds: Low
  2. FebruaryAvoidListed as a month to avoid: Dec–Feb unless you are here for winter events; deep snow and closed forest roads.3 °C / -9 °C, 6 rain daysCrowds: Low · 1 festival or holiday
  3. MarchGoodOutside the best window (Jun–Sep for hiking, fishing and trails; late Jan for the Montana Winter Fair). Across United States: Spring break fills Florida beaches and parks; the desert parks come into season.8 °C / -5 °C, 8 rain daysCrowds: Medium · 2 festivals or holidays
  4. AprilGoodOutside the best window (Jun–Sep for hiking, fishing and trails; late Jan for the Montana Winter Fair). Across United States: Good month for the Southwest, Washington cherry blossoms, the South; mountain roads still closed.13 °C / -1 °C, 9 rain daysCrowds: Medium · 1 festival or holiday
  5. MayGoodOutside the best window (Jun–Sep for hiking, fishing and trails; late Jan for the Montana Winter Fair). Across United States: Warm and green; Memorial Day (last Monday) opens the summer season; timed-entry systems start at some parks.18 °C / 4 °C, 11 rain daysCrowds: Medium · 1 festival or holiday
  6. JuneGreatInside Lewistown, Montana's best window: Jun–Sep for hiking, fishing and trails; late Jan for the Montana Winter Fair.23 °C / 8 °C, 11 rain daysCrowds: High
  7. JulyGreatInside Lewistown, Montana's best window: Jun–Sep for hiking, fishing and trails; late Jan for the Montana Winter Fair.29 °C / 11 °C, 7 rain daysCrowds: High · 1 festival or holiday
  8. AugustGreatInside Lewistown, Montana's best window: Jun–Sep for hiking, fishing and trails; late Jan for the Montana Winter Fair.29 °C / 11 °C, 7 rain daysCrowds: High
  9. SeptemberGreatInside Lewistown, Montana's best window: Jun–Sep for hiking, fishing and trails; late Jan for the Montana Winter Fair.23 °C / 6 °C, 7 rain daysCrowds: Medium · 1 festival or holiday
  10. OctoberGoodOutside the best window (Jun–Sep for hiking, fishing and trails; late Jan for the Montana Winter Fair). Across United States: Best all-round month: New England foliage, desert parks, cooler cities. High roads start closing late in the month.14 °C / 1 °C, 7 rain daysCrowds: Medium
  11. NovemberMixedOutside the best window (Jun–Sep for hiking, fishing and trails; late Jan for the Montana Winter Fair). Across United States: Quiet between holidays; Thanksgiving week is the busiest travel period of the year.6 °C / -5 °C, 7 rain daysCrowds: Medium · 1 festival or holiday
  12. DecemberAvoidListed as a month to avoid: Dec–Feb unless you are here for winter events; deep snow and closed forest roads.1 °C / -10 °C, 7 rain daysCrowds: High · 1 festival or holiday