Kankakee

What is the climate like in Kankakee?

The best time to visit Kankakee is typically August – September, with trip comfort peaking in September (7.2/10). Kankakee is warmest in July, when daily highs average 85°F (29°C), and coolest in January, when lows fall to about 22°F (-6°C). The wettest month is typically May and the driest is November; the year sees roughly 43 in (1087 mm) of precipitation.

• Best time to visitAugust – September — comfort peaks in September (7.2/10)
• Warmest monthJuly — average high 85°F (29°C)
• Coolest monthJanuary — average low 22°F (-6°C)
• Wettest monthMay (5.0 in (128 mm))
• Driest monthNovember (2.4 in (62 mm))
• Annual precipitation43 in (1087 mm)
• Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
• Records fromKankakee Wwtp, 3 km away (1973-2026)