Decatur

What is the climate like in Decatur?

The best time to visit Decatur is typically June – September, with trip comfort peaking in September (7.5/10). Decatur is warmest in July, when daily highs average 84°F (29°C), and coolest in January, when lows fall to about 23°F (-5°C). The wettest month is typically May and the driest is September; the year sees roughly 41 in (1042 mm) of precipitation.

• Best time to visitJune – September — comfort peaks in September (7.5/10)
• Warmest monthJuly — average high 84°F (29°C)
• Coolest monthJanuary — average low 23°F (-5°C)
• Wettest monthMay (4.5 in (115 mm))
• Driest monthSeptember (2.5 in (62 mm))
• Annual precipitation41 in (1042 mm)
• Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
• Records fromDecatur 1 N, 2 km away (1972-2026)