May weather in Norwalk, CT
The average temperature in Norwalk in May is 61.1°F (50.0°F–72.3°F). Average precipitation: 4.12 inches.
May is a spring month in Norwalk, and is warmer than the annual average of 52.6°F. Daily temperatures swing about 22.3°F between overnight low and afternoon high. Expect about 12 days with precipitation. Daylight averages about 14h 18m. For travel, May is a comfortable month to visit.
Avg High
72.3°F
Avg Low
50.0°F
Precipitation
4.12 in
Daylight
14h 18m
May records in Norwalk
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 89.1°F (2001) | 28.9°F (1961) | 2.80 in (2014) |
| May 2 | 93.0°F (2001) | 30.9°F (1960) | 2.25 in (1976) |
| May 3 | 93.0°F (2001) | 28.0°F (1957) | 2.00 in (1985) |
| May 4 | 93.9°F (2001) | 28.9°F (1986) | 1.18 in (1984) |
| May 5 | 91.0°F (2001) | 28.9°F (1974) | 1.27 in (1990) |
| May 6 | 91.0°F (2000) | 28.0°F (1974) | 2.30 in (1991) |
| May 7 | 95.0°F (2000) | 28.0°F (1970) | 0.90 in (1956) |
| May 8 | 93.9°F (2000) | 30.0°F (1974) | 1.35 in (1994) |
| May 9 | 93.0°F (2000) | 28.0°F (1956) | 1.80 in (1978) |
| May 10 | 91.9°F (1979) | 30.0°F (1962) | 1.22 in (1998) |
| May 11 | 90.0°F (1993) | 28.0°F (1966) | 1.14 in (1989) |
| May 12 | 89.1°F (2004) | 30.9°F (1983) | 1.30 in (2019) |
| May 13 | 87.1°F (1956) | 32.0°F (1967) | 1.23 in (1971) |
| May 14 | 86.0°F (1956) | 30.0°F (1996) | 1.30 in (1978) |
| May 15 | 87.1°F (2004) | 32.0°F (1971) | 1.70 in (1978) |
| May 16 | 87.1°F (1998) | 35.1°F (1977) | 3.00 in (1989) |
| May 17 | 90.0°F (1974) | 30.0°F (1956) | 2.55 in (1989) |
| May 18 | 95.0°F (2017) | 30.9°F (1983) | 1.58 in (2002) |
| May 19 | 95.0°F (1962) | 32.0°F (2002) | 2.66 in (1999) |
| May 20 | 97.0°F (1996) | 30.9°F (2002) | 1.28 in (1969) |
| May 21 | 93.9°F (1996) | 32.0°F (2002) | 0.65 in (1957) |
| May 22 | 91.9°F (1992) | 33.1°F (2002) | 1.45 in (2001) |
| May 23 | 93.0°F (1964) | 34.0°F (1976) | 1.18 in (2014) |
| May 24 | 91.9°F (1975) | 30.9°F (1956) | 2.29 in (1979) |
| May 25 | 91.0°F (1991) | 28.9°F (1956) | 1.52 in (1978) |
| May 26 | 91.0°F (2016) | 33.1°F (1956) | 2.11 in (2003) |
| May 27 | 89.1°F (1965) | 35.1°F (1972) | 1.30 in (1961) |
| May 28 | 93.0°F (2016) | 35.1°F (1994) | 1.64 in (1961) |
| May 29 | 93.0°F (1969) | 36.0°F (1964) | 4.53 in (1968) |
| May 30 | 93.9°F (2013) | 36.0°F (1964) | 3.18 in (1984) |
| May 31 | 95.0°F (2013) | 35.1°F (1961) | 2.36 in (1992) |