Climate almanac
Danville
Illinois, United States · 40.12°, -87.63°
What is the climate like in Danville?
The best time to visit Danville is typically August – September, with trip comfort peaking in September (7.3/10). Danville is warmest in July, when daily highs average 85°F (30°C), and coolest in January, when lows fall to about 23°F (-5°C). The wettest month is typically April and the driest is November; the year sees roughly 43 in (1082 mm) of precipitation.
- Best time to visitAugust – September — comfort peaks in September (7.3/10)
- Warmest monthJuly — average high 85°F (30°C)
- Coolest monthJanuary — average low 23°F (-5°C)
- Wettest monthApril (4.7 in (119 mm))
- Driest monthNovember (2.7 in (68 mm))
- Annual precipitation43 in (1082 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
- Records fromDanville, 2 km away (1895-2026)