Climate almanac
Washington Court House
Ohio, United States · 39.54°, -83.44°
What is the climate like in Washington Court House?
The best time to visit Washington Court House is typically August – October, with trip comfort peaking in September (7.2/10). Washington Court House is warmest in July, when daily highs average 84°F (29°C), and coolest in January, when lows fall to about 25°F (-4°C). The wettest month is typically May and the driest is October; the year sees roughly 47 in (1192 mm) of precipitation.
- Best time to visitAugust – October — comfort peaks in September (7.2/10)
- Warmest monthJuly — average high 84°F (29°C)
- Coolest monthJanuary — average low 25°F (-4°C)
- Wettest monthMay (5.0 in (127 mm))
- Driest monthOctober (3.0 in (76 mm))
- Annual precipitation47 in (1192 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
- Records fromWashington Court House, 1 km away (1916-2026)