May weather in Sanford, ME
The average temperature in Sanford in May is 54.3°F (40.8°F–67.8°F). Average precipitation: 3.83 inches.
May is a spring month in Sanford, and is warmer than the annual average of 45.5°F. Daily temperatures swing about 27°F between overnight low and afternoon high. Expect about 11 days with precipitation. Daylight averages about 14h 30m. For travel, May is a comfortable month to visit.
Avg High
67.8°F
Avg Low
40.8°F
Precipitation
3.83 in
Daylight
14h 30m
May records in Sanford
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 88.0°F (1970) | 26.1°F (1956) | 3.14 in (2023) |
| May 2 | 90.0°F (2001) | 25.0°F (1964) | 1.92 in (1989) |
| May 3 | 91.0°F (2001) | 24.1°F (1966) | 1.44 in (2006) |
| May 4 | 91.0°F (2001) | 24.1°F (1986) | 1.23 in (1984) |
| May 5 | 86.0°F (2001) | 21.9°F (1974) | 0.84 in (1999) |
| May 6 | 86.0°F (1976) | 26.1°F (1961) | 1.20 in (1987) |
| May 7 | 91.0°F (2000) | 28.0°F (1992) | 1.64 in (1991) |
| May 8 | 89.1°F (2000) | 23.0°F (1967) | 1.34 in (1994) |
| May 9 | 93.0°F (1979) | 24.1°F (1956) | 4.27 in (1954) |
| May 10 | 93.0°F (1979) | 28.9°F (1955) | 2.21 in (1977) |
| May 11 | 90.0°F (1970) | 28.0°F (1956) | 1.50 in (1989) |
| May 12 | 86.0°F (1985) | 28.0°F (1966) | 1.67 in (1989) |
| May 13 | 87.1°F (2011) | 27.0°F (2005) | 3.43 in (2006) |
| May 14 | 91.9°F (1961) | 27.0°F (1967) | 4.35 in (2006) |
| May 15 | 90.0°F (2022) | 30.0°F (1958) | 1.73 in (2006) |
| May 16 | 87.1°F (1974) | 30.0°F (1966) | 2.06 in (1978) |
| May 17 | 89.1°F (1977) | 26.1°F (1957) | 1.23 in (1978) |
| May 18 | 93.9°F (2017) | 21.0°F (1985) | 0.84 in (2002) |
| May 19 | 97.0°F (1962) | 25.0°F (1957) | 1.20 in (2010) |
| May 20 | 93.0°F (2017) | 12.9°F (1985) | 0.90 in (1988) |
| May 21 | 90.0°F (1975) | 27.0°F (1964) | 2.06 in (2023) |
| May 22 | 95.0°F (1992) | 32.0°F (1967) | 1.37 in (2005) |
| May 23 | 95.0°F (1977) | 33.1°F (2015) | 1.20 in (2025) |
| May 24 | 95.0°F (1964) | 30.0°F (1963) | 1.44 in (2005) |
| May 25 | 120.0°F (1985) | 25.0°F (1956) | 2.00 in (1979) |
| May 26 | 91.9°F (2010) | 30.0°F (1972) | 1.90 in (2017) |
| May 27 | 93.0°F (2021) | 27.0°F (1969) | 1.54 in (1956) |
| May 28 | 91.0°F (2020) | 34.0°F (1968) | 1.11 in (2009) |
| May 29 | 91.0°F (1978) | 30.9°F (1964) | 2.50 in (1984) |
| May 30 | 90.0°F (1978) | 30.9°F (1964) | 1.55 in (1990) |
| May 31 | 91.9°F (1987) | 24.1°F (1961) | 1.63 in (1984) |