Decatur

What is the climate like in Decatur?

The best time to visit Decatur is typically August – September, with trip comfort peaking in September (7.2/10). Decatur 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 July and the driest is December; the year sees roughly 44 in (1123 mm) of precipitation.

• Best time to visitAugust – September — comfort peaks in September (7.2/10)
• Warmest monthJuly — average high 85°F (30°C)
• Coolest monthJanuary — average low 23°F (-5°C)
• Wettest monthJuly (5.2 in (133 mm))
• Driest monthDecember (2.3 in (59 mm))
• Annual precipitation44 in (1123 mm)
• Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
• Records fromDecatur Wtp, 1 km away (1893-2026)