When to go · Rosemont
Rosemont, month by month
The best months for Rosemont: Apr, May, Sep, Oct. Months to avoid: Jan, Feb.
Month by month
- JanuaryAvoidListed as a month to avoid: Jan–Feb (cold, snow delays at O'Hare).0 °C / -9 °C, 8 rain days32 °F / 16 °F, 8 rain daysCrowds: Low
- FebruaryAvoidListed as a month to avoid: Jan–Feb (cold, snow delays at O'Hare).3 °C / -7 °C, 7 rain days37 °F / 19 °F, 7 rain daysCrowds: Low · 1 festival or holiday
- MarchGoodOutside the best window (Apr–May, Sep–Oct). Across United States: Spring break fills Florida beaches and parks; the desert parks come into season.9 °C / -2 °C, 9 rain days48 °F / 28 °F, 9 rain daysCrowds: Medium · 2 festivals or holidays
- AprilGreatInside Rosemont's best window: Apr–May, Sep–Oct.16 °C / 4 °C, 10 rain days61 °F / 39 °F, 10 rain daysCrowds: Medium · 1 festival or holiday
- MayGreatInside Rosemont's best window: Apr–May, Sep–Oct.22 °C / 10 °C, 11 rain days72 °F / 50 °F, 11 rain daysCrowds: Medium · 1 festival or holiday
- JuneGoodOutside the best window (Apr–May, Sep–Oct). Across United States: Rockies and northern parks open; desert heat builds; hurricane season starts. Book parks months ahead.27 °C / 15 °C, 10 rain days81 °F / 59 °F, 10 rain daysCrowds: High
- JulyMixedOutside the best window (Apr–May, 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 (Apr–May, 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 / 18 °C, 9 rain days84 °F / 64 °F, 9 rain daysCrowds: High · 1 festival or holiday
- AugustMixedOutside the best window (Apr–May, Sep–Oct). Across United States: Hot and busy; wildfire smoke in the West, hurricane peak begins in the Southeast.28 °C / 18 °C, 9 rain days82 °F / 64 °F, 9 rain daysCrowds: High
- SeptemberGreatInside Rosemont's best window: Apr–May, Sep–Oct.24 °C / 13 °C, 8 rain days75 °F / 55 °F, 8 rain daysCrowds: Medium · 1 festival or holiday
- OctoberGreatInside Rosemont's best window: Apr–May, Sep–Oct.17 °C / 7 °C, 9 rain days63 °F / 45 °F, 9 rain daysCrowds: Medium
- NovemberMixedOutside the best window (Apr–May, Sep–Oct). Across United States: Quiet between holidays; Thanksgiving week is the busiest travel period of the year.9 °C / 0 °C, 9 rain days48 °F / 32 °F, 9 rain daysCrowds: Medium · 1 festival or holiday
- DecemberMixedOutside the best window (Apr–May, Sep–Oct). Across United States: Holiday lights in New York, ski season opens; flights and hotels peak around Christmas and New Year.2 °C / -6 °C, 9 rain days36 °F / 21 °F, 9 rain daysCrowds: High · 1 festival or holiday