Skip to content
Voykit

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 (34 °F) / -11 °C (12 °F), 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 (37 °F) / -9 °C (16 °F), 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 (46 °F) / -5 °C (23 °F), 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 (55 °F) / -1 °C (30 °F), 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 (64 °F) / 4 °C (39 °F), 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 (73 °F) / 8 °C (46 °F), 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 (84 °F) / 11 °C (52 °F), 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 (84 °F) / 11 °C (52 °F), 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 (73 °F) / 6 °C (43 °F), 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 (57 °F) / 1 °C (34 °F), 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 (43 °F) / -5 °C (23 °F), 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 (34 °F) / -10 °C (14 °F), 7 rain daysCrowds: High · 1 festival or holiday

Compare two months

Weather, crowds and prices for any two months in Lewistown, Montana, side by side.

  • Verdict

    Jan: Great

    Jun: Great

  • Daytime high

    Jan: 1 °C (34 °F)

    Jun: 23 °C (73 °F)

  • Night low

    Jan: -11 °C (12 °F)

    Jun: 8 °C (46 °F)

  • Rain days

    Jan: 7 (better)

    Jun: 11

  • Crowds

    Jan: Low

    Jun: High

  • Prices

    Jan: Low

    Jun: High

  • Festivals listed

    Jan: 0

    Jun: 0

January: Inside Lewistown, Montana's best window: Jun–Sep for hiking, fishing and trails; late Jan for the Montana Winter Fair.

June: Inside Lewistown, Montana's best window: Jun–Sep for hiking, fishing and trails; late Jan for the Montana Winter Fair.

Lewistown, Montana: figures are long-term averages from this guide, not a forecast.