Average Annual Precipitation for Connecticut

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The tables below give yearly averages for rainfall plus snowfall at cities and towns in Connecticut.

Each place has a total for the amount of precipitation it usually receives in a year. Most places also have information on the number of days with wet weather. This includes the days when precipitation amounts to 0.01 inches (0.25 millimetres) or more.

The annual precipitation totals are averages based on weather data collected from 1981 to 2010 for the NOAA National Climatic Data Center.

You can jump to a separate table for places in Coastal Connecticut and Inland Connecticut.

Coastal Connecticut

Average yearly precipitation
Days Place Inches Millimetres
122 Bridgeport 42.7 1086
119 Groton 49.7 1262
  – New Haven 47.1 1197
  – New London 46.5 1181
120 Norwich 54.8 1392
130 Stamford 53.2 1350

Inland Connecticut

Annual averages for rainfall plus snowfall
Days Place Inches Millimetres
118 Burlington 53.4 1357
129 Danbury 52.8 1342
130 Hartford 45.9 1165
120 Mansfield Hollow Lake 52.1 1323
122 Middletown 51.2 1299
152 Norfolk 53.1 1349
126 West Thompson Lake 51.1 1297
124 Woodbury 51.7 1312
Reference

National Climatic Data Center. NOAA's 1981-2010 Climate Normals.

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Connecticut Precipitation

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