| Month | Average (°F) | Record (°F) | Average (inches) | |||
|---|---|---|---|---|---|---|
| High ☀️ | Low 🌙 | High ☀️ | Low 🌙 | Precipitation 💧 | Snow ❄️ | |
| January | 26.3 | 9.2 | 55 | -35 | 1.5 | 10.2 |
| February | 30.0 | 11.9 | 69 | -34 | 1.3 | 8.8 |
| March | 41.6 | 22.6 | 83 | -23 | 1.8 | 4.1 |
| April | 54.6 | 33.7 | 88 | 1 | 3.4 | 1.3 |
| May | 67.0 | 45.0 | 94 | 20 | 3.8 | 0.3 |
| June | 77.0 | 55.1 | 100 | 31 | 4.8 | 0.0 |
| July | 80.7 | 59.0 | 105 | 39 | 3.9 | 0.0 |
| August | 78.9 | 56.8 | 101 | 36 | 3.7 | 0.0 |
| September | 72.2 | 49.0 | 97 | 23 | 3.1 | 0.0 |
| October | 59.0 | 37.9 | 89 | 9 | 2.7 | 0.3 |
| November | 44.2 | 26.4 | 75 | -11 | 2.0 | 1.2 |
| December | 31.7 | 16.1 | 65 | -29 | 1.7 | 9.3 |
| Entire year | 55.4 | 35.4 | 105 | -35 | 34.0 | 35.7 |
|
More Hartford Weather Records
1893–2024
|
||
|---|---|---|
| Highest daily low | 78 °F | August 16, 1988 |
| Lowest daily high | -18 °F | January 19, 1994 |
| Greatest daily range (Difference of high and low) |
58 °F | February 28, 2024 |
| Greatest difference in daily high over two conscutive days |
48 °F | Jan 19–20, 1996 |
| Most daily precipitation | 5.2 inches | September 10, 1986 |
| Most monthly precipitation | 14.1 inches | June 2008 |
| Most yearly precipitation | 48.1 inches | 2018 |
| Most yearly days with precipitation | 146 | 2019 |
| Earliest snow in season | October 20 | 1992 |
| Latest snow in season | May 10 | 1990 |
| Most daily snow | 16.0 inches | November 5, 1896 |
| Most monthly snow | 44.0 inches | December 2008 |
| Most yearly snow | 92.0 inches | 1959 |
| Most snow in a winter | 78.5 inches | 1958–1959 |
| Greatest snow accumulation | 34.0 inches | January 25, 1979 |
| Earliest freeze | September 12 | 1955 |
| Earliest day ≥ 80 °F | March 21 | 2012 |
| Earliest day ≥ 90 °F | May 13 | 2022 |
| Latest freeze | June 9 | 1988 |
| Latest day ≥ 80 °F | October 30 | 1999 |
| Latest day ≥ 90 °F | September 29 | 1953 |
| Most days in a year < 0 °F | 44 | 1963 |
| Most days in a year < 32 °F | 181 | 2018 |
| Most days in a year ≥ 80 °F | 95 | 1999 |
| Most days in a year ≥ 90 °F | 37 | 1999 |
| Most days in a year ≥ 100 °F | 4 | 1988 |
|
Hartford Weather Streaks
Most consecutive days...
|
||
|---|---|---|
| With precipitation | 12 days | May 17–28, 1987 |
| Without precipitation | 29 days | Jan 27 – Feb 24, 1899 |
| With snow | 7 days | Jan 9–15, 1999 |
| High temperature at or below freezing |
58 days | Jan 9 – Mar 7, 1978 |
| High temperature ≥ 80 °F | 33 days | Jul 9 – Aug 10, 1983 |
| High temperature ≥ 90 °F | 10 days | Jun 28 – Jul 7, 2012 |
| High temperature ≥ 100 °F | 3 days | Jul 5–7, 2012 |
| Years | Station | Coordinates |
|---|---|---|
| 1893–2024 | Hartford WWTP | location |