Connecticut Climate (Weather Averages)

The Connecticut Climate Guide is perfect for planning your holiday. Monthly weather averages give the best indication of what the weather is usually like for every month of the year including figures for temperature, rainfall and sunshine.

Connecticut Weather Connecticut Summary Connecticut Climate Connecticut Today Connecticut Forecast Connecticut When Best
Connecticut Weather Connecticut Summary Connecticut Climate Connecticut Today Connecticut Forecast Connecticut When Best
J F M A M J J A S O N D
Max Daytime Temperature (°C) 2°C (36°F) Max Daytime Temperature in January in Connecticut (Hartford) 3°C (37°F) Max Daytime Temperature in February in Connecticut (Hartford) 8°C (46°F) Max Daytime Temperature in March in Connecticut (Hartford) 15°C (59°F) Max Daytime Temperature in April in Connecticut (Hartford) 21°C (70°F) Max Daytime Temperature in May in Connecticut (Hartford) 26°C (79°F) Max Daytime Temperature in June in Connecticut (Hartford) 29°C (84°F) Max Daytime Temperature in July in Connecticut (Hartford) 28°C (82°F) Max Daytime Temperature in August in Connecticut (Hartford) 24°C (75°F) Max Daytime Temperature in September in Connecticut (Hartford) 18°C (64°F) Max Daytime Temperature in October in Connecticut (Hartford) 11°C (52°F) Max Daytime Temperature in November in Connecticut (Hartford) 4°C (39°F) Max Daytime Temperature in December in Connecticut (Hartford)
Min Night-time Temperature (°C) -8°C (18°F) Min Night-time Temperature in January in Connecticut (Hartford) -7°C (19°F) Min Night-time Temperature in February in Connecticut (Hartford) -2°C (28°F) Min Night-time Temperature in March in Connecticut (Hartford) 3°C (37°F) Min Night-time Temperature in April in Connecticut (Hartford) 8°C (46°F) Min Night-time Temperature in May in Connecticut (Hartford) 13°C (55°F) Min Night-time Temperature in June in Connecticut (Hartford) 16°C (61°F) Min Night-time Temperature in July in Connecticut (Hartford) 15°C (59°F) Min Night-time Temperature in August in Connecticut (Hartford) 11°C (52°F) Min Night-time Temperature in September in Connecticut (Hartford) 5°C (41°F) Min Night-time Temperature in October in Connecticut (Hartford) 0°C (32°F) Min Night-time Temperature in November in Connecticut (Hartford) -6°C (21°F) Min Night-time Temperature in December in Connecticut (Hartford)
Hours of Sunshine (Daily) 6 Hours of Bright Sunshine per day (58% of Daylight Hours) in January in Connecticut (Hartford) 6 Hours of Bright Sunshine per day (59% of Daylight Hours) in February in Connecticut (Hartford) 7 Hours of Bright Sunshine per day (58% of Daylight Hours) in March in Connecticut (Hartford) 8 Hours of Bright Sunshine per day (58% of Daylight Hours) in April in Connecticut (Hartford) 8 Hours of Bright Sunshine per day (58% of Daylight Hours) in May in Connecticut (Hartford) 9 Hours of Bright Sunshine per day (59% of Daylight Hours) in June in Connecticut (Hartford) 9 Hours of Bright Sunshine per day (63% of Daylight Hours) in July in Connecticut (Hartford) 9 Hours of Bright Sunshine per day (62% of Daylight Hours) in August in Connecticut (Hartford) 7 Hours of Bright Sunshine per day (59% of Daylight Hours) in September in Connecticut (Hartford) 6 Hours of Bright Sunshine per day (58% of Daylight Hours) in October in Connecticut (Hartford) 5 Hours of Bright Sunshine per day (48% of Daylight Hours) in November in Connecticut (Hartford) 5 Hours of Bright Sunshine per day (49% of Daylight Hours) in December in Connecticut (Hartford)
Hours of Daylight (Daily) 10 Hours of Daylight in January in Connecticut (Hartford) 11 Hours of Daylight in February in Connecticut (Hartford) 12 Hours of Daylight in March in Connecticut (Hartford) 13 Hours of Daylight in April in Connecticut (Hartford) 15 Hours of Daylight in May in Connecticut (Hartford) 15 Hours of Daylight in June in Connecticut (Hartford) 15 Hours of Daylight in July in Connecticut (Hartford) 14 Hours of Daylight in August in Connecticut (Hartford) 12 Hours of Daylight in September in Connecticut (Hartford) 11 Hours of Daylight in October in Connecticut (Hartford) 10 Hours of Daylight in November in Connecticut (Hartford) 9 Hours of Daylight in December in Connecticut (Hartford)
Heat and Humidity Discomfort No Heat & Humidity in January in Connecticut (Hartford) No Heat & Humidity in February in Connecticut (Hartford) No Heat & Humidity in March in Connecticut (Hartford) No Heat & Humidity in April in Connecticut (Hartford) No Heat & Humidity in May in Connecticut (Hartford) Low Heat & Humidity in June in Connecticut (Hartford) Moderate Heat & Humidity in July in Connecticut (Hartford) Moderate Heat & Humidity in August in Connecticut (Hartford) No Heat & Humidity in September in Connecticut (Hartford) No Heat & Humidity in October in Connecticut (Hartford) No Heat & Humidity in November in Connecticut (Hartford) No Heat & Humidity in December in Connecticut (Hartford)
Days with some Rainfall 11 Days with some Rainfall in January in Connecticut (Hartford) 10 Days with some Rainfall in February in Connecticut (Hartford) 11 Days with some Rainfall in March in Connecticut (Hartford) 11 Days with some Rainfall in April in Connecticut (Hartford) 12 Days with some Rainfall in May in Connecticut (Hartford) 11 Days with some Rainfall in June in Connecticut (Hartford) 9 Days with some Rainfall in July in Connecticut (Hartford) 10 Days with some Rainfall in August in Connecticut (Hartford) 9 Days with some Rainfall in September in Connecticut (Hartford) 8 Days with some Rainfall in October in Connecticut (Hartford) 11 Days with some Rainfall in November in Connecticut (Hartford) 12 Days with some Rainfall in December in Connecticut (Hartford)
Monthly Rainfall (mm) 88 mm (3.5 inches) Monthly Rainfall in January in Connecticut (Hartford) 81 mm (3.2 inches) Monthly Rainfall in February in Connecticut (Hartford) 96 mm (3.8 inches) Monthly Rainfall in March in Connecticut (Hartford) 104 mm (4.1 inches) Monthly Rainfall in April in Connecticut (Hartford) 103 mm (4.1 inches) Monthly Rainfall in May in Connecticut (Hartford) 98 mm (3.9 inches) Monthly Rainfall in June in Connecticut (Hartford) 94 mm (3.7 inches) Monthly Rainfall in July in Connecticut (Hartford) 96 mm (3.8 inches) Monthly Rainfall in August in Connecticut (Hartford) 98 mm (3.9 inches) Monthly Rainfall in September in Connecticut (Hartford) 95 mm (3.7 inches) Monthly Rainfall in October in Connecticut (Hartford) 105 mm (4.1 inches) Monthly Rainfall in November in Connecticut (Hartford) 99 mm (3.9 inches) Monthly Rainfall in December in Connecticut (Hartford)
UV Index (Maximum) UV (Maximum) Index 1 (Low) in January in Connecticut (Hartford) UV (Maximum) Index 2 (Low) in February in Connecticut (Hartford) UV (Maximum) Index 4 (Moderate) in March in Connecticut (Hartford) UV (Maximum) Index 6 (High) in April in Connecticut (Hartford) UV (Maximum) Index 7 (High) in May in Connecticut (Hartford) UV (Maximum) Index 8 (Very High) in June in Connecticut (Hartford) UV (Maximum) Index 8 (Very High) in July in Connecticut (Hartford) UV (Maximum) Index 8 (Very High) in August in Connecticut (Hartford) UV (Maximum) Index 6 (High) in September in Connecticut (Hartford) UV (Maximum) Index 4 (Moderate) in October in Connecticut (Hartford) UV (Maximum) Index 2 (Low) in November in Connecticut (Hartford) UV (Maximum) Index 1 (Low) in December in Connecticut (Hartford)
J F M A M J J A S O N D
 		    
 
Connecticut Holidays Connecticut Flights Connecticut Hotels Connecticut Hire Cars Connecticut Villas Connecticut Transfers
Connecticut Holidays Connecticut Flights Connecticut Hotels Connecticut Hire Cars Connecticut Villas Connecticut Transfers

The Connecticut Climate Guide shown above is based on the Hartford Climate Guide. Please note that the weather may vary across this region. Below is a list of all the destinations in Connecticut with available Climate Guides.

  Hartford   Mystic   New Haven   Stamford  

Connecticut Weather by Month
Check the weather for a particular month in Connecticut by selecting a month from the list below. Alternatively check which month usually has the Best Weather in Connecticut. If you are not sure where to go, why not try our Holiday Planner.
  · January
  · February
  · March
   · April
  · May
  · June
   · July
  · August
  · September
   · October
  · November
  · December
Popular Climate Guide Regions

1.

Cyprus

2.

Tenerife, Canary Islands, Spain

3.

Tunisia

4.

Sharm el-Sheikh, Egypt

5.

Mauritius

6.

Crete, Greece

7.

Dalaman and Marmaris Coast, Turkey

8.

Cape Verde

9.

Rhodes, Greece

10.

Antalya Coast, Turkey
Popular Climate Guide Destinations

1.

Santa Cruz de Tenerife, Tenerife, Canary Islands, Spain

2.

Nicosia, Cyprus

3.

Sharm el Sheikh Airport, Sharm el-Sheikh, Egypt

4.

Tunis, Tunisia

5.

Port Louis, Mauritius

6.

Khania, Crete, Greece

7.

Dalaman, Dalaman and Marmaris Coast, Turkey

8.

Praia, Santiago, Cape Verde

9.

Rhodes Town, Rhodes, Greece

10.

Antalya, Antalya Coast, Turkey
 		    
 
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