Galesburg

What is the climate like in Galesburg?

The best time to visit Galesburg is typically August – September, with trip comfort peaking in September (7.3/10). Galesburg is warmest in July, when daily highs average 85°F (30°C), and coolest in January, when lows fall to about 20°F (-7°C). The wettest month is typically May and the driest is November; the year sees roughly 40 in (1025 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 20°F (-7°C)
• Wettest monthMay (5.0 in (126 mm))
• Driest monthNovember (2.0 in (52 mm))
• Annual precipitation40 in (1025 mm)
• Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
• Records fromGalesburg, 1 km away (1896-2026)