Historical weather data, all-time temperature records, and monthly climate averages for Washington Court House, OH. Explore typical weather conditions by week for trip planning, and see how today compares to the historical record.
April 5th in Washington Court House splits the difference between winter and spring — historically, highs land around 59° with lows dipping to 37°. The date has swung wildly though, from a balmy 84° back in 1988 to a brutal 16° in 1995. Flip a coin on rain: there's a 48% chance of precipitation, though snow is nearly off the table at just 2%.
Washington Court House has seen some serious weather extremes over its 110 years of records. The thermometer has climbed as high as 107° (July 1934) and cratered to -27° (January 1994) — a jaw-dropping 134-degree swing. On the wet side, a single day in May 1968 dropped 4.73 inches of rain, and a freak November storm in 1950 buried the area under 14 inches of snow.
Summers here are warm and muggy, peaking the week of July 16-22 with average highs of 85°, while January is the depth of winter at just 37°. If you're rain-averse, avoid mid-June — the week of June 11-17 is the wettest of the year, averaging over an inch of precipitation. Spring and fall offer the sweet spot, with May and September both in the comfortable 70s.