When to go · Carbondale, Illinois
Carbondale, Illinois, month by month
The best months for Carbondale, Illinois: Apr, May, Sep, Oct. Months to avoid: Jan, Feb, Jul, Aug, Dec.
Month by month
- JanuaryAvoidListed as a month to avoid: Jul–Aug (heat and humidity), late Dec–Feb (ice, closures).5 °C / -5 °C, 8 rain days41 °F / 23 °F, 8 rain daysCrowds: Low
- FebruaryAvoidListed as a month to avoid: Jul–Aug (heat and humidity), late Dec–Feb (ice, closures).8 °C / -3 °C, 8 rain days46 °F / 27 °F, 8 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.14 °C / 2 °C, 10 rain days57 °F / 36 °F, 10 rain daysCrowds: Medium · 2 festivals or holidays
- AprilGreatInside Carbondale, Illinois's best window: Apr–May, Sep–Oct.20 °C / 8 °C, 11 rain days68 °F / 46 °F, 11 rain daysCrowds: Medium · 1 festival or holiday
- MayGreatInside Carbondale, Illinois's best window: Apr–May, Sep–Oct.25 °C / 13 °C, 11 rain days77 °F / 55 °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.30 °C / 18 °C, 9 rain days86 °F / 64 °F, 9 rain daysCrowds: High
- JulyAvoidListed as a month to avoid: Jul–Aug (heat and humidity), late Dec–Feb (ice, closures).32 °C / 21 °C, 9 rain days90 °F / 70 °F, 9 rain daysCrowds: High · 1 festival or holiday
- AugustAvoidListed as a month to avoid: Jul–Aug (heat and humidity), late Dec–Feb (ice, closures).32 °C / 20 °C, 8 rain days90 °F / 68 °F, 8 rain daysCrowds: High
- SeptemberGreatInside Carbondale, Illinois's best window: Apr–May, Sep–Oct.28 °C / 15 °C, 7 rain days82 °F / 59 °F, 7 rain daysCrowds: Medium · 1 festival or holiday
- OctoberGreatInside Carbondale, Illinois's best window: Apr–May, Sep–Oct.21 °C / 8 °C, 8 rain days70 °F / 46 °F, 8 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.14 °C / 3 °C, 9 rain days57 °F / 37 °F, 9 rain daysCrowds: Medium · 1 festival or holiday
- DecemberAvoidListed as a month to avoid: Jul–Aug (heat and humidity), late Dec–Feb (ice, closures).7 °C / -3 °C, 9 rain days45 °F / 27 °F, 9 rain daysCrowds: High · 1 festival or holiday