Peoria Climate: Weather by Month and Best Time to Visit

Best months for Peoria: September, August, July.

Year at a glance

1° -7° J 4° -5° F 10° 0° M 17° 6° A 23° 12° M 28° 18° J 29° 20° J 28° 18° A 25° 14° S 18° 8° O 10° 1° N 3° -4° D Rainy days

Weather by month

MonthAvg highAvg lowRainfall Rainy daysHumiditySunshine Score
January 1°C-7°C53 mm 8– – 4.0
February 4°C-5°C52 mm 7– – 4.7
March 10°C0°C75 mm 10– – 5.7
April 17°C6°C111 mm 12– – 6.6
May 23°C12°C118 mm 13– – 7.2
June 28°C18°C111 mm 12– – 7.3
July 29°C20°C97 mm 10– – 7.6
August 28°C18°C79 mm 10– – 7.8
September 25°C14°C76 mm 8– – 8.0
October 18°C8°C78 mm 9– – 7.3
November 10°C1°C71 mm 8– – 6.0
December 3°C-4°C57 mm 8– – 4.6