Thomaston Climate Graph - Connecticut Climate Chart
Climate summaryWhat is the average weather in Thomaston, Connecticut?
Thomaston experiences a humid continental climate, marked by a very large seasonal temperature contrast. Summers are warm, while winters are cold. The area is wet overall, with precipitation spread relatively evenly through the year, though summer is the wettest season.
Based on climate normals · 1991–2020 Thomaston weather averages