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Connecticut climate
Climate normals for 49 cities in Connecticut — find your city, or get the regional gist.
Across the 49 cities we cover in Connecticut, annual averages run 10–11°C. Annual precipitation ranges 1099–1347 mm across those cities. All covered cities classify as Humid subtropical (Köppen Cfa).
Largest cities
Largest cities in Connecticut
The most populous cities — most visitors want one of these. Tap a name for month-by-month detail.
Bridgeport
Population 148k
Warm summers, cold winters
Avg
−1°C in January, 24°C in July
New Haven
Population 130k
Warm summers, cold winters
Avg
−2°C in January, 23°C in July
Stamford
Population 129k
Warm summers, cold winters
Avg
−1°C in January, 24°C in July
North Stamford
Population 121k
Warm summers, cold winters
Avg
−1°C in January, 24°C in July
Hartford
Population 121k
Warm summers, cold winters
Avg
−3°C in January, 22°C in July
Waterbury
Population 109k
Warm summers, cold winters
Avg
−2°C in January, 23°C in July
Find a city in Connecticut
Search 49 cities by name.