Connecticut climate

Historical climate data for 19 cities in Connecticut — drawn from NOAA 1991-2020 normals at each city's primary weather station.

Warmest city
New Britain
°F annual avg
Coldest city
Torrington
47.3°F annual avg
Wettest city
Torrington
54.3 in/yr
Snowiest city
Torrington
59.1 in/yr
Frost-date data is available for 18 cities in Connecticut — the average last spring frost, first fall frost, and growing-season length for each. Find your city →

Connecticut climate rankings

Warmest cities

  1. New Britain — °F
  2. Waterbury — °F
  3. Bristol — °F
  4. Bridgeport — 53.4°F
  5. Norwalk — 52.6°F
  6. Stamford — 52.6°F
  7. Hartford — 52.0°F
  8. New Haven — 52.0°F
  9. West Haven — 52.0°F
  10. Norwich — 51.8°F

Coldest cities

  1. Torrington — 47.3°F
  2. Danbury — 49.6°F
  3. Derby — 50.2°F
  4. Ansonia — 50.2°F
  5. Shelton — 50.2°F
  6. Middletown — 50.7°F
  7. Meriden — 50.7°F
  8. Groton — 51.4°F
  9. New London — 51.4°F
  10. Norwich — 51.8°F

Wettest cities

  1. Torrington — 54.3 in/yr
  2. Norwich — 52.2 in/yr
  3. Bristol — 52.0 in/yr
  4. Shelton — 52.0 in/yr
  5. Derby — 52.0 in/yr
  6. Waterbury — 52.0 in/yr
  7. Ansonia — 52.0 in/yr
  8. Norwalk — 51.6 in/yr
  9. Stamford — 51.6 in/yr
  10. New Britain — 50.9 in/yr

Driest cities

  1. New London — 39.3 in/yr
  2. Groton — 39.3 in/yr
  3. New Haven — 41.8 in/yr
  4. West Haven — 41.8 in/yr
  5. Hartford — 42.8 in/yr
  6. Bridgeport — 44.1 in/yr
  7. Middletown — 44.9 in/yr
  8. Meriden — 44.9 in/yr
  9. Danbury — 48.0 in/yr
  10. New Britain — 50.9 in/yr

All Connecticut cities

Weather stations in Connecticut → National climate rankings →