Historical Weather in Hartford, CT
See 55+ years of weather history for any date in Hartford going back to 1970.
Part of Connecticut weather history
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Today in Hartford Weather HistorySee records, averages, and 55+ years of data for today's date
→Monthly Climate Averages
Historical temperature and precipitation averages for Hartford, CT, based on 55+ years of weather data.
Warmest MonthJulyAvg High: 85°F / Low: 64°F
Coldest MonthJanuaryAvg High: 35°F / Low: 19°F
Jan
35°/ 19°
💧 8.6"
❄️ 2.1"
Feb
39°/ 21°
💧 8.2"
❄️ 2.2"
Mar
48°/ 29°
💧 9.2"
❄️ 2.1"
Apr
60°/ 39°
💧 9.3"
❄️ 1.9"
May
71°/ 49°
💧 8.6"
❄️ 1.3"
Jun
80°/ 58°
💧 9.2"
Jul
85°/ 64°
💧 10.3"
Aug
83°/ 62°
💧 10.5"
Sep
75°/ 54°
💧 11.5"
Oct
63°/ 42°
💧 11.3"
❄️ 3.0"
Nov
52°/ 34°
💧 9.6"
❄️ 1.9"
Dec
40°/ 24°
💧 8.9"
❄️ 1.9"
Temperatures in Fahrenheit. Precipitation and snowfall in inches.
Hartford Temperature Records
- Record High: The hottest temperature ever recorded in Hartford, CT is 103°F, set on August 9, 2001.
- Record Low: The coldest temperature ever recorded in Hartford, CT is -25°F, set on February 14, 2016.
- Data Coverage: Based on 57 years of data from NOAA weather station: HARTFORD BRAINARD FLD.
All-Time Record High
103°F
August 9, 2001
All-Time Record Low
-25°F
February 14, 2016
Monthly Temperature Records in Hartford
| Month | Record High | Record Low |
|---|---|---|
| January | 72°F(2007) | -21°F(1984) |
| February | 80°F(2018) | -25°F(2016) |
| March | 89°F(1998) | -8°F(2014) |
| April | 96°F(1976) | 8°F(1997) |
| May | 99°F(1996) | 20°F(1997) |
| June | 101°F(2025) | 27°F(1972) |
| July | 103°F(2011) | 37°F(2001) |
| August | 103°F(2001) | 37°F(1987) |
| September | 99°F(1983) | 24°F(1991) |
| October | 89°F(2007) | 16°F(2020) |
| November | 84°F(2024) | 1°F(1987) |
| December | 76°F(1998) | -14°F(1980) |
Hartford Snow RecordsSee the top 10 snowiest days ever recorded
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