Historical weather data, all-time temperature records, and monthly climate averages for Canton, IL. Explore typical weather conditions by week for trip planning, and see how today compares to the historical record.
April 4th in Canton has a wide range of possibilities — over 82 years of records, the date has swung from a bitter 17° in 1975 to a shirt-sleeve 83° as recently as 2023. Today's historical average sits at a mild 56° high and 35° low, with about a 1-in-3 chance of some rain. Snow is essentially off the table at just 1%.
Canton's weather has some real teeth to it — the all-time high of 105° in June 1988 and the all-time low of -25° in January 1977 represent a jaw-dropping 130-degree spread. A single July day in 2020 dropped 5.19 inches of rain, and a January 1979 snowstorm buried the area under 12.2 inches in one shot.
Summers are the headliner here, with highs peaking around 86° in mid-July before a gradual cool-down through fall. Winters are genuinely cold — average highs bottom out at 31° in the third week of January. If you're watching for rain, late April is the wettest stretch of the year, averaging over an inch of precipitation in a single week.