May weather in Norwich, CT
The average temperature in Norwich in May is 59.4°F (48.9°F–69.9°F). Average precipitation: 3.64 inches.
May is a spring month in Norwich, and is warmer than the annual average of 51.8°F. Daily temperatures swing about 21°F between overnight low and afternoon high. Expect about 11 days with precipitation. Daylight averages about 14h 20m. For travel, May is a comfortable month to visit.
Avg High
69.9°F
Avg Low
48.9°F
Precipitation
3.64 in
Daylight
14h 20m
May records in Norwich
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 82.0°F (1965) | 30.9°F (1978) | 2.42 in (2014) |
| May 2 | 91.9°F (2001) | 30.9°F (1986) | 1.01 in (1989) |
| May 3 | 93.0°F (2001) | 30.9°F (1966) | 1.85 in (1972) |
| May 4 | 93.0°F (2001) | 30.9°F (1986) | 1.74 in (1984) |
| May 5 | 93.0°F (2001) | 32.0°F (1964) | 1.02 in (1978) |
| May 6 | 87.1°F (1993) | 33.1°F (1961) | 1.56 in (2017) |
| May 7 | 82.9°F (2000) | 28.9°F (1996) | 0.85 in (1958) |
| May 8 | 91.9°F (2000) | 30.9°F (2001) | 0.61 in (1980) |
| May 9 | 93.0°F (2000) | 27.0°F (1985) | 1.88 in (1977) |
| May 10 | 95.0°F (1979) | 33.1°F (1977) | 1.54 in (2025) |
| May 11 | 91.0°F (1993) | 33.1°F (2010) | 1.11 in (1989) |
| May 12 | 88.0°F (2001) | 34.0°F (1982) | 1.70 in (1974) |
| May 13 | 90.0°F (2004) | 32.0°F (1963) | 4.31 in (2006) |
| May 14 | 82.9°F (2004) | 30.0°F (1996) | 2.05 in (2002) |
| May 15 | 87.1°F (1998) | 32.0°F (1980) | 1.75 in (1972) |
| May 16 | 89.1°F (1998) | 26.1°F (1964) | 2.37 in (2024) |
| May 17 | 87.1°F (1974) | 34.0°F (1984) | 1.21 in (2011) |
| May 18 | 87.1°F (1989) | 30.9°F (1983) | 2.67 in (2011) |
| May 19 | 93.0°F (2017) | 34.0°F (2002) | 1.57 in (2010) |
| May 20 | 98.1°F (1996) | 33.1°F (2002) | 1.56 in (1969) |
| May 21 | 93.9°F (1996) | 30.9°F (1964) | 1.97 in (2023) |
| May 22 | 95.0°F (1992) | 34.0°F (1990) | 0.44 in (2001) |
| May 23 | 93.9°F (1959) | 36.0°F (1990) | 2.30 in (2025) |
| May 24 | 91.0°F (1964) | 34.0°F (1963) | 2.00 in (1978) |
| May 25 | 91.0°F (1991) | 37.0°F (1963) | 3.64 in (1967) |
| May 26 | 93.9°F (2007) | 36.0°F (1972) | 1.37 in (1958) |
| May 27 | 98.1°F (2010) | 33.1°F (1968) | 2.91 in (2003) |
| May 28 | 98.1°F (2010) | 37.9°F (1994) | 1.58 in (1985) |
| May 29 | 91.9°F (1959) | 37.0°F (1962) | 2.20 in (1981) |
| May 30 | 93.9°F (1987) | 37.9°F (1957) | 2.02 in (2016) |
| May 31 | 91.9°F (1987) | 34.0°F (1961) | 2.86 in (1984) |