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When to go · Fort Collins

Fort Collins, month by month

The best months for Fort Collins: May, Jun, Sep, Oct. Months to avoid: Jan, Feb, Jul, Aug, Dec.

Month by month

  1. JanuaryAvoidListed as a month to avoid: Jul–Aug (afternoon heat and storm risk), Dec–Feb (cold, icy trails).5 °C (41 °F) / -9 °C (16 °F), 5 rain daysCrowds: Low
  2. FebruaryAvoidListed as a month to avoid: Jul–Aug (afternoon heat and storm risk), Dec–Feb (cold, icy trails).7 °C (45 °F) / -8 °C (18 °F), 5 rain daysCrowds: Low · 1 festival or holiday
  3. MarchGoodOutside the best window (May–Jun, Sep–Oct). Across United States: Spring break fills Florida beaches and parks; the desert parks come into season.12 °C (54 °F) / -4 °C (25 °F), 7 rain daysCrowds: Medium · 2 festivals or holidays
  4. AprilGoodOutside the best window (May–Jun, Sep–Oct). Across United States: Good month for the Southwest, Washington cherry blossoms, the South; mountain roads still closed.16 °C (61 °F) / 0 °C (32 °F), 8 rain daysCrowds: Medium · 1 festival or holiday
  5. MayGreatInside Fort Collins's best window: May–Jun, Sep–Oct.21 °C (70 °F) / 5 °C (41 °F), 10 rain daysCrowds: Medium · 1 festival or holiday
  6. JuneGreatInside Fort Collins's best window: May–Jun, Sep–Oct.27 °C (81 °F) / 10 °C (50 °F), 9 rain daysCrowds: High
  7. JulyAvoidListed as a month to avoid: Jul–Aug (afternoon heat and storm risk), Dec–Feb (cold, icy trails).31 °C (88 °F) / 14 °C (57 °F), 9 rain daysCrowds: High · 1 festival or holiday
  8. AugustAvoidListed as a month to avoid: Jul–Aug (afternoon heat and storm risk), Dec–Feb (cold, icy trails).30 °C (86 °F) / 13 °C (55 °F), 9 rain daysCrowds: High
  9. SeptemberGreatInside Fort Collins's best window: May–Jun, Sep–Oct.25 °C (77 °F) / 8 °C (46 °F), 7 rain daysCrowds: Medium · 1 festival or holiday
  10. OctoberGreatInside Fort Collins's best window: May–Jun, Sep–Oct.18 °C (64 °F) / 2 °C (36 °F), 6 rain daysCrowds: Medium
  11. NovemberMixedOutside the best window (May–Jun, Sep–Oct). Across United States: Quiet between holidays; Thanksgiving week is the busiest travel period of the year.11 °C (52 °F) / -4 °C (25 °F), 5 rain daysCrowds: Medium · 1 festival or holiday
  12. DecemberAvoidListed as a month to avoid: Jul–Aug (afternoon heat and storm risk), Dec–Feb (cold, icy trails).5 °C (41 °F) / -9 °C (16 °F), 5 rain daysCrowds: High · 1 festival or holiday

Compare two months

Weather, crowds and prices for any two months in Fort Collins, side by side.

  • Verdict

    May: Great

    Jun: Great

  • Daytime high

    May: 21 °C (70 °F)

    Jun: 27 °C (81 °F)

  • Night low

    May: 5 °C (41 °F)

    Jun: 10 °C (50 °F)

  • Rain days

    May: 10

    Jun: 9 (better)

  • Crowds

    May: Medium

    Jun: High

  • Prices

    May: Medium

    Jun: High

  • Festivals listed

    May: 1

    Jun: 0

May: Inside Fort Collins's best window: May–Jun, Sep–Oct.

June: Inside Fort Collins's best window: May–Jun, Sep–Oct.

Fort Collins: figures are long-term averages from this guide, not a forecast.