May weather in Saco, ME
The average temperature in Saco in May is 54.9°F (45.5°F–64.2°F). Average precipitation: 3.67 inches.
May is a spring month in Saco, and is warmer than the annual average of 47.5°F. Daily temperatures swing about 18.7°F between overnight low and afternoon high. Expect about 13 days with precipitation. Daylight averages about 14h 31m. For travel, May is a comfortable month to visit.
Avg High
64.2°F
Avg Low
45.5°F
Precipitation
3.67 in
Daylight
14h 31m
May records in Saco
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 75.0°F (1972) | 26.1°F (1978) | 0.99 in (1953) |
| May 2 | 91.0°F (2001) | 25.0°F (1964) | 3.41 in (2006) |
| May 3 | 91.9°F (2001) | 24.1°F (1966) | 1.71 in (1971) |
| May 4 | 84.0°F (1955) | 26.1°F (1946) | 1.79 in (1999) |
| May 5 | 82.0°F (1949) | 28.0°F (1951) | 0.99 in (1987) |
| May 6 | 84.0°F (1976) | 28.0°F (1961) | 2.23 in (1991) |
| May 7 | 84.0°F (2015) | 28.0°F (1967) | 1.22 in (2009) |
| May 8 | 84.9°F (1957) | 27.0°F (1962) | 1.48 in (1994) |
| May 9 | 91.9°F (1979) | 23.0°F (1956) | 1.80 in (1954) |
| May 10 | 88.0°F (1979) | 24.1°F (1947) | 2.32 in (2025) |
| May 11 | 82.9°F (1985) | 28.9°F (1951) | 3.32 in (1989) |
| May 12 | 88.0°F (1991) | 28.9°F (1962) | 2.21 in (1952) |
| May 13 | 82.9°F (1991) | 28.0°F (1962) | 2.77 in (2006) |
| May 14 | 84.0°F (2022) | 28.0°F (1951) | 0.72 in (2017) |
| May 15 | 84.9°F (2004) | 27.0°F (1947) | 1.32 in (1978) |
| May 16 | 90.0°F (1951) | 28.0°F (1947) | 1.52 in (1978) |
| May 17 | 90.0°F (1977) | 27.0°F (1957) | 2.07 in (1948) |
| May 18 | 93.0°F (2017) | 30.2°F (2023) | 1.44 in (1945) |
| May 19 | 86.0°F (1949) | 28.0°F (1951) | 1.36 in (2011) |
| May 20 | 86.0°F (1959) | 32.0°F (1955) | 2.16 in (2023) |
| May 21 | 91.0°F (2009) | 33.1°F (1976) | 1.40 in (1973) |
| May 22 | 90.0°F (1992) | 34.0°F (1950) | 0.71 in (1948) |
| May 23 | 87.1°F (1992) | 34.0°F (1963) | 0.89 in (1974) |
| May 24 | 91.0°F (1991) | 30.0°F (1956) | 1.56 in (1960) |
| May 25 | 91.9°F (2007) | 27.0°F (1956) | 1.09 in (2005) |
| May 26 | 91.0°F (2010) | 30.0°F (1949) | 1.74 in (1943) |
| May 27 | 84.9°F (1944) | 32.0°F (1969) | 1.67 in (1956) |
| May 28 | 90.0°F (1988) | 35.1°F (1968) | 0.92 in (2009) |
| May 29 | 90.0°F (1998) | 35.1°F (1962) | 2.18 in (1984) |
| May 30 | 86.0°F (2011) | 33.1°F (1961) | 1.03 in (1983) |
| May 31 | 93.9°F (1987) | 30.9°F (1961) | 3.16 in (1984) |