When to go · Ontario, Ohio
Ontario, Ohio, month by month
The best months for Ontario, Ohio: May, Jun, Sep, Oct. Months to avoid: Jan, Feb, Nov, Dec.
Month by month
- JanuaryAvoidListed as a month to avoid: Jan–Feb (cold, ice), late Nov–Dec holiday shopping crowds.1 °C / -7 °C, 12 rain days34 °F / 19 °F, 12 rain daysCrowds: Low
- FebruaryAvoidListed as a month to avoid: Jan–Feb (cold, ice), late Nov–Dec holiday shopping crowds.3 °C / -6 °C, 10 rain days37 °F / 21 °F, 10 rain daysCrowds: Low · 1 festival or holiday
- MarchGoodOutside the best window (May–Jun, Sep–Oct). Across United States: Spring break fills Florida beaches and parks; the desert parks come into season.9 °C / -2 °C, 11 rain days48 °F / 28 °F, 11 rain daysCrowds: Medium · 2 festivals or holidays
- 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 / 4 °C, 12 rain days61 °F / 39 °F, 12 rain daysCrowds: Medium · 1 festival or holiday
- MayGreatInside Ontario, Ohio's best window: May–Jun, Sep–Oct.22 °C / 10 °C, 12 rain days72 °F / 50 °F, 12 rain daysCrowds: Medium · 1 festival or holiday
- JuneGreatInside Ontario, Ohio's best window: May–Jun, Sep–Oct.27 °C / 15 °C, 11 rain days81 °F / 59 °F, 11 rain daysCrowds: High
- JulyMixedOutside the best window (May–Jun, Sep–Oct). Across United States: Peak season: parks full, 4 July crowds, 40 °C+ in the desert, humid East. Alaska and the Pacific Northwest are at their best.Outside the best window (May–Jun, Sep–Oct). Across United States: Peak season: parks full, 4 July crowds, 104 °F+ in the desert, humid East. Alaska and the Pacific Northwest are at their best.29 °C / 17 °C, 10 rain days84 °F / 63 °F, 10 rain daysCrowds: High · 1 festival or holiday
- AugustMixedOutside the best window (May–Jun, Sep–Oct). Across United States: Hot and busy; wildfire smoke in the West, hurricane peak begins in the Southeast.28 °C / 16 °C, 9 rain days82 °F / 61 °F, 9 rain daysCrowds: High
- SeptemberGreatInside Ontario, Ohio's best window: May–Jun, Sep–Oct.24 °C / 12 °C, 9 rain days75 °F / 54 °F, 9 rain daysCrowds: Medium · 1 festival or holiday
- OctoberGreatInside Ontario, Ohio's best window: May–Jun, Sep–Oct.17 °C / 6 °C, 10 rain days63 °F / 43 °F, 10 rain daysCrowds: Medium
- NovemberAvoidListed as a month to avoid: Jan–Feb (cold, ice), late Nov–Dec holiday shopping crowds.10 °C / 1 °C, 11 rain days50 °F / 34 °F, 11 rain daysCrowds: Medium · 1 festival or holiday
- DecemberAvoidListed as a month to avoid: Jan–Feb (cold, ice), late Nov–Dec holiday shopping crowds.3 °C / -4 °C, 12 rain days37 °F / 25 °F, 12 rain daysCrowds: High · 1 festival or holiday