April in Decatur averages a daily high of 22.2°C with nights around 10.2°C. Expect roughly 9.3 wet days totalling 135.2mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Decatur is April–May.
Based on DECATUR 4 SE, AL US (5.6km), 1995–2024. 19 years of April data.