DeKalb

What is the climate like in DeKalb?

The best time to visit DeKalb is typically August – September, with trip comfort peaking in August (6.9/10). DeKalb is warmest in July, when daily highs average 83°F (28°C), and coolest in January, when lows fall to about 18°F (-8°C). The wettest month is typically May and the driest is February; the year sees roughly 41 in (1032 mm) of precipitation.

• Best time to visitAugust – September — comfort peaks in August (6.9/10)
• Warmest monthJuly — average high 83°F (28°C)
• Coolest monthJanuary — average low 18°F (-8°C)
• Wettest monthMay (5.2 in (132 mm))
• Driest monthFebruary (2.0 in (50 mm))
• Annual precipitation41 in (1032 mm)
• Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
• Records fromDe Kalb, 2 km away (1966-2026)