March weather in Hartford, CT
The average temperature in Hartford in March is 38.6°F (29.6°F–47.6°F). Average precipitation: 3.51 inches.
March is a spring month in Hartford, and is cooler than the annual average of 52°F. Daily temperatures swing about 18°F between overnight low and afternoon high. Expect about 11 days with precipitation. Daylight averages about 11h 43m. For travel, March is cool.
Avg High
47.6°F
Avg Low
29.6°F
Precipitation
3.51 in
Daylight
11h 43m
March records in Hartford
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| March 1 | 64.0°F (1976) | 1.9°F (1980) | 1.20 in (1925) |
| March 2 | 64.9°F (2004) | 1.9°F (1980) | 1.98 in (2007) |
| March 3 | 68.0°F (2024) | 3.9°F (1950) | 1.80 in (1972) |
| March 4 | 64.0°F (2024) | 1.9°F (1950) | 1.59 in (1940) |
| March 5 | 63.0°F (1974) | 3.9°F (1948) | 1.61 in (2025) |
| March 6 | 64.0°F (1935) | -4.0°F (1948) | 2.21 in (1943) |
| March 7 | 68.0°F (1974) | 1.0°F (2003) | 1.90 in (1979) |
| March 8 | 66.0°F (2012) | 7.0°F (1999) | 1.16 in (1941) |
| March 9 | 79.0°F (2016) | 1.0°F (1997) | 2.26 in (1998) |
| March 10 | 75.9°F (2026) | 3.0°F (1984) | 1.72 in (1998) |
| March 11 | 73.0°F (2026) | 7.0°F (1984) | 1.52 in (2000) |
| March 12 | 75.0°F (1977) | 3.9°F (1984) | 1.11 in (1962) |
| March 13 | 72.0°F (1946) | 5.0°F (1941) | 2.15 in (1953) |
| March 14 | 78.1°F (1946) | 7.0°F (1941) | 1.51 in (2023) |
| March 15 | 68.0°F (1945) | 10.9°F (1993) | 1.69 in (1953) |
| March 16 | 73.9°F (1990) | 3.9°F (1997) | 1.84 in (2026) |
| March 17 | 75.9°F (1990) | 9.0°F (1997) | 1.75 in (1972) |
| March 18 | 75.9°F (2022) | 3.9°F (1967) | 2.06 in (1936) |
| March 19 | 78.1°F (2012) | -4.0°F (1967) | 1.30 in (1983) |
| March 20 | 81.0°F (1945) | 1.9°F (1949) | 1.70 in (1998) |
| March 21 | 82.0°F (1921) | 5.0°F (1999) | 1.11 in (1933) |
| March 22 | 82.0°F (2012) | 12.0°F (1934) | 2.40 in (1980) |
| March 23 | 73.9°F (2012) | 6.1°F (1999) | 2.52 in (1977) |
| March 24 | 70.0°F (1979) | 5.0°F (1998) | 0.89 in (2022) |
| March 25 | 75.9°F (1963) | 12.0°F (1956) | 1.88 in (1930) |
| March 26 | 78.1°F (2021) | 3.0°F (1997) | 0.79 in (1970) |
| March 27 | 78.1°F (1991) | 18.0°F (1974) | 1.34 in (1978) |
| March 28 | 82.9°F (1945) | 8.1°F (1923) | 2.80 in (1932) |
| March 29 | 86.0°F (1945) | 3.9°F (1923) | 1.89 in (2010) |
| March 30 | 79.0°F (1998) | 17.1°F (1970) | 2.28 in (1951) |
| March 31 | 82.0°F (1977) | 6.1°F (1997) | 1.48 in (1960) |