Allegan Climate Graph - Michigan Climate Chart
Climate summaryWhat is the average weather in Allegan, Michigan?
Allegan experiences a humid continental climate, marked by very strong seasonal temperature swings due to its inland location. Summers are warm, while winters are cold. The area is fairly wet, with precipitation spread relatively evenly throughout the year, though winter moisture often arrives as snow.
Based on climate normals · 1991–2020 Allegan weather averages