May weather in Waterville, ME
The average temperature in Waterville in May is 54.5°F (43.2°F–65.8°F). Average precipitation: 3.33 inches.
May is a spring month in Waterville, and is warmer than the annual average of 45.2°F. Daily temperatures swing about 22.6°F between overnight low and afternoon high. Expect about 13 days with precipitation. Daylight averages about 14h 37m. For travel, May is a comfortable month to visit.
Avg High
65.8°F
Avg Low
43.2°F
Precipitation
3.33 in
Daylight
14h 37m
May records in Waterville
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 82.9°F (2004) | 23.0°F (1982) | 2.91 in (2023) |
| May 2 | 80.1°F (1998) | 28.0°F (1964) | 1.27 in (1989) |
| May 3 | 87.1°F (2018) | 25.0°F (1966) | 0.97 in (1967) |
| May 4 | 91.0°F (2001) | 28.0°F (1985) | 1.33 in (1971) |
| May 5 | 82.9°F (1960) | 27.0°F (1980) | 0.57 in (2011) |
| May 6 | 84.0°F (1960) | 26.1°F (1961) | 2.00 in (1989) |
| May 7 | 82.9°F (1964) | 21.0°F (1982) | 1.40 in (1991) |
| May 8 | 84.0°F (1964) | 24.1°F (1966) | 1.09 in (2005) |
| May 9 | 91.9°F (1979) | 21.0°F (1985) | 0.90 in (1994) |
| May 10 | 91.9°F (1979) | 30.0°F (1986) | 0.95 in (1977) |
| May 11 | 87.1°F (2007) | 28.0°F (2010) | 1.08 in (1963) |
| May 12 | 84.9°F (1959) | 9.0°F (1991) | 1.31 in (1996) |
| May 13 | 84.0°F (1991) | 21.9°F (1987) | 1.11 in (1974) |
| May 14 | 88.0°F (1961) | 30.0°F (2020) | 1.50 in (2002) |
| May 15 | 91.0°F (2022) | 26.1°F (1987) | 1.26 in (2017) |
| May 16 | 87.1°F (2004) | 33.1°F (2013) | 1.15 in (2011) |
| May 17 | 91.0°F (1977) | 21.9°F (1992) | 1.57 in (1978) |
| May 18 | 88.0°F (1977) | 28.0°F (1981) | 0.95 in (1970) |
| May 19 | 93.0°F (1962) | 28.0°F (1981) | 1.04 in (1976) |
| May 20 | 88.0°F (1975) | 28.9°F (1991) | 0.68 in (2010) |
| May 21 | 91.0°F (1992) | 30.0°F (1981) | 1.65 in (2023) |
| May 22 | 98.1°F (1977) | 30.0°F (1991) | 0.68 in (1998) |
| May 23 | 96.1°F (1977) | 35.1°F (1978) | 1.16 in (1974) |
| May 24 | 96.1°F (1992) | 24.1°F (1985) | 1.60 in (1986) |
| May 25 | 93.0°F (1977) | 25.0°F (1985) | 1.60 in (1979) |
| May 26 | 91.9°F (2007) | 32.0°F (1972) | 1.43 in (1991) |
| May 27 | 91.0°F (2021) | 30.0°F (1968) | 1.72 in (1961) |
| May 28 | 91.0°F (1972) | 34.0°F (1986) | 1.05 in (1984) |
| May 29 | 91.9°F (1978) | 34.0°F (1970) | 1.05 in (1984) |
| May 30 | 91.0°F (1978) | 34.0°F (1967) | 1.54 in (2012) |
| May 31 | 91.0°F (1987) | 33.1°F (1990) | 2.40 in (1984) |