Current Weather and Forecast in Hartford, CT
Connecticut, United States 🇺🇸
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About the weather in Hartford
Hartford has a humid subtropical climate. July is the warmest month, with average highs of 85°, and January the coldest, when nights fall to around 22°. September brings the most rain, on about 9 days, while July is the sunniest, with 11.2 hours of sunshine a day. Over a whole year it rains on roughly 128 days.
Hartford climate guide: monthly averages, seasons and the best time to visit
Common questions
When should I visit Hartford?
Aim for August to October and May to June if you get the choice: these are the warmest and brightest weeks of the year, and highs average 75°F (24°C) against roughly 10 wet days a month. For the same question asked the other way round, see where else is warm in August.
Does it snow in Hartford?
Yes - about 14 days a year carry measurable snowfall, concentrated November through April.
How much sun does Hartford get?
8.4 hours a day averaged over the year, peaking in July at 11.2 hours.
Which month is wettest in Hartford?
September, at 5.0 inches (127 mm) over about 9 days. November is the driest month, at 3.1 inches (79 mm).
When is Hartford at its coldest?
January, with highs of 38°F (3°C) and lows near 22°F (-5°C). The coldest day in the 2015-2024 record fell to -16°F (-26°C).
What should I pack for Hartford?
It depends on the month: July runs to 85°F (29°C) while January holds at 38°F (3°C). The full month-by-month breakdown is in the packing notes above.
What is the hottest month in Hartford?
July, averaging 85°F (29°C) by day and 66°F (19°C) overnight. The hottest single day in our 2015-2024 record for this location reached 99°F (37°C).