March weather in Norwalk, CT
The average temperature in Norwalk in March is 39.8°F (30.4°F–49.1°F). Average precipitation: 4.73 inches. Average snowfall is 5.9 inches.
March is a spring month in Norwalk, and is cooler than the annual average of 52.6°F. Daily temperatures swing about 18.7°F between overnight low and afternoon high. Expect about 10 days with precipitation. Daylight averages about 11h 43m. For travel, March is cool.
Avg High
49.1°F
Avg Low
30.4°F
Precipitation
4.73 in
Snow
5.9 in
March records in Norwalk
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| March 1 | 64.0°F (1972) | 3.9°F (2014) | 1.51 in (1987) |
| March 2 | 66.0°F (2004) | 3.0°F (1967) | 3.45 in (2007) |
| March 3 | 64.9°F (2004) | 3.9°F (2015) | 1.66 in (2002) |
| March 4 | 63.0°F (1974) | 3.9°F (2014) | 1.92 in (1977) |
| March 5 | 66.9°F (1976) | 9.0°F (1978) | 0.70 in (2015) |
| March 6 | 59.0°F (1964) | -2.9°F (2015) | 3.77 in (1979) |
| March 7 | 69.1°F (1987) | -0.9°F (2015) | 2.03 in (1967) |
| March 8 | 73.9°F (1987) | 3.9°F (2007) | 1.27 in (1973) |
| March 9 | 75.9°F (2016) | 7.0°F (1996) | 2.70 in (1998) |
| March 10 | 77.0°F (2016) | 1.0°F (1984) | 2.26 in (1994) |
| March 11 | 72.0°F (2016) | 0.0°F (1960) | 1.20 in (2000) |
| March 12 | 66.0°F (1973) | 9.0°F (1960) | 1.60 in (1962) |
| March 13 | 84.0°F (1990) | 10.0°F (2017) | 2.06 in (1993) |
| March 14 | 75.9°F (1990) | 12.0°F (2014) | 3.80 in (2010) |
| March 15 | 75.0°F (1990) | 9.0°F (1993) | 1.22 in (1997) |
| March 16 | 77.0°F (1990) | 10.0°F (1992) | 2.00 in (2007) |
| March 17 | 70.0°F (1990) | 12.9°F (1967) | 1.19 in (1972) |
| March 18 | 71.1°F (1989) | 0.0°F (1967) | 0.94 in (1968) |
| March 19 | 73.9°F (2022) | -6.0°F (1967) | 2.24 in (1983) |
| March 20 | 72.0°F (2010) | 9.0°F (1967) | 2.28 in (1990) |
| March 21 | 71.1°F (2020) | 12.9°F (1986) | 2.05 in (1974) |
| March 22 | 72.0°F (1979) | 12.9°F (1986) | 2.49 in (1980) |
| March 23 | 70.0°F (1994) | 12.0°F (2015) | 2.61 in (2010) |
| March 24 | 72.0°F (1988) | 12.0°F (2015) | 1.05 in (1993) |
| March 25 | 73.9°F (1963) | 10.9°F (1956) | 2.59 in (1969) |
| March 26 | 79.0°F (2021) | 12.9°F (1960) | 1.17 in (1973) |
| March 27 | 82.0°F (1998) | 17.1°F (1974) | 1.87 in (1978) |
| March 28 | 81.0°F (1989) | 16.0°F (1966) | 1.60 in (1983) |
| March 29 | 82.0°F (1998) | 17.1°F (1982) | 2.49 in (2010) |
| March 30 | 81.0°F (1998) | 15.1°F (1970) | 2.10 in (2001) |
| March 31 | 84.9°F (1998) | 18.0°F (1965) | 2.80 in (1987) |