When to Peoria
Climate guide & best times to travel
Best Time to Visit
Month-by-Month Guide
January
January represents the coolest month in Peoria with highs of 92°F and lows of 63°F. Despite being winter, temperatures remain extremely hot with minimal rainfall at 0.1 inches. This is the most comfortable time of year for any outdoor activities.
February
February sees temperatures beginning to climb with highs reaching 101°F and lows of 70°F. Rainfall remains minimal at 0.1 inches with consistent humidity. Heat begins to intensify but conditions are still relatively manageable compared to summer months.
March
March marks a significant temperature increase with highs soaring to 124°F and lows of 88°F. The heat becomes intense and potentially dangerous for extended outdoor exposure. Rainfall remains extremely low at 0.1 inches.
April
April brings extreme heat with temperatures reaching 146°F during the day and 107°F at night. Rainfall increases slightly to 0.2 inches but remains minimal. Outdoor activities become hazardous during peak hours.
May
May experiences dangerous heat levels with highs of 165°F and lows of 127°F. Even nighttime temperatures exceed typical summer highs elsewhere. Rainfall remains minimal at 0.2 inches with persistent humidity.
June
June brings extreme heat with temperatures reaching 181°F and nighttime lows of 144°F. These are life-threatening conditions requiring constant air conditioning and minimal outdoor exposure. Rainfall drops to 0.1 inches.
July
July represents the peak of extreme heat with the year's highest temperatures of 187°F and lows of 151°F. These are among the most dangerous conditions on Earth. Rainfall remains minimal at 0.1 inches.
August
August continues the extreme heat pattern with highs of 184°F and lows of 147°F. Temperatures remain at dangerous levels throughout the month. Rainfall stays minimal at 0.1 inches with consistent humidity.
September
September shows slight cooling with highs of 173°F and lows of 133°F, though conditions remain extremely dangerous. This marks the beginning of the gradual temperature decline. Rainfall remains at 0.1 inches.
October
October brings more noticeable cooling with highs of 149°F and lows of 111°F. While still extremely hot, temperatures become slightly more manageable than summer peaks. Rainfall remains minimal at 0.1 inches.
November
November sees continued cooling with highs of 123°F and lows of 91°F. Temperatures begin approaching the more tolerable winter levels, though still extremely hot by global standards. Rainfall remains at 0.1 inches.
December
December marks the return to relatively cooler conditions with highs of 101°F and lows of 73°F. This represents the beginning of the most tolerable season, though temperatures remain very hot. Rainfall stays at 0.1 inches.