About Preston City, CT's Climate & Weather History

Preston City, in Connecticut, United States, is home to roughly 5,000 people in the Eastern Time Zone at 41.5°N latitude.

In 2025, Preston City recorded an average annual temperature of 51°F. The hottest temperatures reached 98°F in June; the coolest were 0°F in January. Total precipitation for the year was 45 inches, with the wettest month being May. Snowfall for the year totaled approximately 7 inches.