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Hartford (CT) Climate by Month

The graphs below provide an overview of the climate in Hartford (Connecticut), the United States of America. They present long-term patterns and averages of weather conditions over a 30-year period.

Average day and night temperature

The mean minimum and maximum temperatures over the year.

Monthly precipitation

The mean monthly precipitation over the year, including rain, snow, hail etc.

Forecast for Hartford (CT)

Fri   Jun 14
29°C | 18°C
S 14 km/h
15 mm
broken clouds and thunder

broken clouds and thunder

Sat   Jun 15
27°C | 17°C
N 18 km/h
clear and no rain

clear and no rain

Sun   Jun 16
26°C | 12°C
S 11 km/h
almost clear and no rain

almost clear and no rain

The best time of year to visit Hartford in the United States of America

During the months of May, June and September you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.

Other facts from our historical weather data:

  • When is summer in Hartford?
    The hottest season / summer takes place in June, July, August and September.
  • Which is the warmest month in Hartford?
    July has an average maximum temperature of 29°C and is the warmest month of the year.
  • Which is the coldest month in Hartford?
    The coldest month is February with an average maximum temperature of 3°C.
  • Which is the wettest month in Hartford?
    June tops the wettest month list with 145 mm of rainfall.
  • Which is the driest month in Hartford?
    January is the driest month with 82 mm of precipitation.
  • Which is the sunniest month in Hartford?
    July is the sunniest month with an average of 293 hours of sunshine.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.