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 (32 °F) / -9 °C (16 °F), 8 rain days32 °F (0 °C) / 16 °F (-9 °C), 8 rain daysCrowds: Low
- FebruaryAvoidListed as a month to avoid: Jan–Feb (cold, snow delays at O'Hare).3 °C (37 °F) / -7 °C (19 °F), 7 rain days37 °F (3 °C) / 19 °F (-7 °C), 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 (48 °F) / -2 °C (28 °F), 9 rain days48 °F (9 °C) / 28 °F (-2 °C), 9 rain daysCrowds: Medium · 2 festivals or holidays
- AprilGreatInside Rosemont's best window: Apr–May, Sep–Oct.16 °C (61 °F) / 4 °C (39 °F), 10 rain days61 °F (16 °C) / 39 °F (4 °C), 10 rain daysCrowds: Medium · 1 festival or holiday
- MayGreatInside Rosemont's best window: Apr–May, Sep–Oct.22 °C (72 °F) / 10 °C (50 °F), 11 rain days72 °F (22 °C) / 50 °F (10 °C), 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 (81 °F) / 15 °C (59 °F), 10 rain days81 °F (27 °C) / 59 °F (15 °C), 10 rain daysCrowds: High
- JulyMixedOutside the best window (Apr–May, Sep–Oct). Across United States: Peak season: parks full, 4 July crowds, 40 °C (104 °F)+ 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 (40 °C)+ in the desert, humid East. Alaska and the Pacific Northwest are at their best.29 °C (84 °F) / 18 °C (64 °F), 9 rain days84 °F (29 °C) / 64 °F (18 °C), 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 (82 °F) / 18 °C (64 °F), 9 rain days82 °F (28 °C) / 64 °F (18 °C), 9 rain daysCrowds: High
- SeptemberGreatInside Rosemont's best window: Apr–May, Sep–Oct.24 °C (75 °F) / 13 °C (55 °F), 8 rain days75 °F (24 °C) / 55 °F (13 °C), 8 rain daysCrowds: Medium · 1 festival or holiday
- OctoberGreatInside Rosemont's best window: Apr–May, Sep–Oct.17 °C (63 °F) / 7 °C (45 °F), 9 rain days63 °F (17 °C) / 45 °F (7 °C), 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 (48 °F) / 0 °C (32 °F), 9 rain days48 °F (9 °C) / 32 °F (0 °C), 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 (36 °F) / -6 °C (21 °F), 9 rain days36 °F (2 °C) / 21 °F (-6 °C), 9 rain daysCrowds: High · 1 festival or holiday
Compare two months
Weather, crowds and prices for any two months in Rosemont, side by side.
Verdict
Apr: Great
May: Great
Daytime high
Apr: 16 °C (61 °F)61 °F (16 °C)
May: 22 °C (72 °F)72 °F (22 °C)
Night low
Apr: 4 °C (39 °F)39 °F (4 °C)
May: 10 °C (50 °F)50 °F (10 °C)
Rain days
Apr: 10 (better)
May: 11
Crowds
Apr: Medium
May: Medium
Prices
Apr: Medium
May: Medium
Festivals listed
Apr: 1
May: 1
April: Inside Rosemont's best window: Apr–May, Sep–Oct.
May: Inside Rosemont's best window: Apr–May, Sep–Oct.
Rosemont: figures are long-term averages from this guide, not a forecast.