When to go · Peoria, Illinois
Peoria, Illinois, month by month
The best months for Peoria, Illinois: May, Jun, Sep, Oct. Months to avoid: Jan, Feb, Jul, Aug.
Month by month
- JanuaryAvoidListed as a month to avoid: Jan–Feb (cold, snow), late Jul–Aug (humid).1 °C (34 °F) / -8 °C (18 °F), 8 rain days34 °F (1 °C) / 18 °F (-8 °C), 8 rain daysCrowds: Low
- FebruaryAvoidListed as a month to avoid: Jan–Feb (cold, snow), late Jul–Aug (humid).4 °C (39 °F) / -6 °C (21 °F), 7 rain days39 °F (4 °C) / 21 °F (-6 °C), 7 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.11 °C (52 °F) / -1 °C (30 °F), 9 rain days52 °F (11 °C) / 30 °F (-1 °C), 9 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.18 °C (64 °F) / 6 °C (43 °F), 10 rain days64 °F (18 °C) / 43 °F (6 °C), 10 rain daysCrowds: Medium · 1 festival or holiday
- MayGreatInside Peoria, Illinois's best window: May–Jun, Sep–Oct.23 °C (73 °F) / 12 °C (54 °F), 11 rain days73 °F (23 °C) / 54 °F (12 °C), 11 rain daysCrowds: Medium · 1 festival or holiday
- JuneGreatInside Peoria, Illinois's best window: May–Jun, Sep–Oct.28 °C (82 °F) / 17 °C (63 °F), 10 rain days82 °F (28 °C) / 63 °F (17 °C), 10 rain daysCrowds: High
- JulyAvoidListed as a month to avoid: Jan–Feb (cold, snow), late Jul–Aug (humid).30 °C (86 °F) / 19 °C (66 °F), 9 rain days86 °F (30 °C) / 66 °F (19 °C), 9 rain daysCrowds: High · 1 festival or holiday
- AugustAvoidListed as a month to avoid: Jan–Feb (cold, snow), late Jul–Aug (humid).29 °C (84 °F) / 18 °C (64 °F), 8 rain days84 °F (29 °C) / 64 °F (18 °C), 8 rain daysCrowds: High
- SeptemberGreatInside Peoria, Illinois's best window: May–Jun, Sep–Oct.26 °C (79 °F) / 14 °C (57 °F), 8 rain days79 °F (26 °C) / 57 °F (14 °C), 8 rain daysCrowds: Medium · 1 festival or holiday
- OctoberGreatInside Peoria, Illinois's best window: May–Jun, Sep–Oct.19 °C (66 °F) / 7 °C (45 °F), 8 rain days66 °F (19 °C) / 45 °F (7 °C), 8 rain daysCrowds: Medium
- NovemberMixedOutside the best window (May–Jun, Sep–Oct). Across United States: Quiet between holidays; Thanksgiving week is the busiest travel period of the year.10 °C (50 °F) / 1 °C (34 °F), 8 rain days50 °F (10 °C) / 34 °F (1 °C), 8 rain daysCrowds: Medium · 1 festival or holiday
- DecemberMixedOutside the best window (May–Jun, Sep–Oct). Across United States: Holiday lights in New York, ski season opens; flights and hotels peak around Christmas and New Year.4 °C (39 °F) / -5 °C (23 °F), 8 rain days39 °F (4 °C) / 23 °F (-5 °C), 8 rain daysCrowds: High · 1 festival or holiday
Compare two months
Weather, crowds and prices for any two months in Peoria, Illinois, side by side.
Verdict
May: Great
Jun: Great
Daytime high
May: 23 °C (73 °F)73 °F (23 °C)
Jun: 28 °C (82 °F)82 °F (28 °C)
Night low
May: 12 °C (54 °F)54 °F (12 °C)
Jun: 17 °C (63 °F)63 °F (17 °C)
Rain days
May: 11
Jun: 10 (better)
Crowds
May: Medium
Jun: High
Prices
May: Medium
Jun: High
Festivals listed
May: 1
Jun: 0
May: Inside Peoria, Illinois's best window: May–Jun, Sep–Oct.
June: Inside Peoria, Illinois's best window: May–Jun, Sep–Oct.
Peoria, Illinois: figures are long-term averages from this guide, not a forecast.