Historical weather data, all-time temperature records, and monthly climate averages for Clayton, OH. Explore typical weather conditions by week for trip planning, and see how today compares to the historical record.
April 5 in Clayton splits the difference between winter and spring — average highs of 56° with lows still dipping to 37°. The date has a wild range on record: a balmy 83° in 1988 versus a brutal 17° in 1995. There's a nearly coin-flip chance (49%) of precipitation, and a 12% shot at snow that refuses to be completely ruled out.
Clayton's weather has real teeth on both ends — the thermometer has swung from a suffocating 102° in June 1988 all the way down to -25° in January 1994, a 127-degree spread. January 2026 delivered the snowiest single day on record at 12.4 inches, while a January 1959 storm dropped 4.16 inches of rain in one day.
Clayton runs warmest in mid-July, when average highs peak at 85°, and coldest in mid-January, when they bottom out around 34°. Spring heats up quickly — highs jump 23 degrees between March and May — making April and May a pleasant window before summer humidity arrives. If you're trying to dodge rain, avoid late June through early July, the wettest stretch of the year averaging over an inch per week.