June weather in South Portland, ME
The average temperature in South Portland in June is 64.3°F (55.0°F–73.6°F). Average precipitation: 4.15 inches.
June is a summer month in South Portland, and is warmer than the annual average of 47.5°F. Daily temperatures swing about 18.6°F between overnight low and afternoon high. Expect about 12 days with precipitation. Daylight averages about 15h 12m. For travel, June is a comfortable month to visit.
Avg High
73.6°F
Avg Low
55.0°F
Precipitation
4.15 in
Daylight
15h 12m
June records in South Portland
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| June 1 | 90.0°F (2013) | 34.0°F (1945) | 1.50 in (1972) |
| June 2 | 86.0°F (1990) | 36.0°F (1945) | 3.63 in (2012) |
| June 3 | 88.0°F (1943) | 39.0°F (1953) | 2.37 in (2012) |
| June 4 | 86.0°F (1966) | 33.1°F (1944) | 2.12 in (2007) |
| June 5 | 87.1°F (1949) | 37.9°F (1964) | 2.43 in (2016) |
| June 6 | 89.1°F (1953) | 37.0°F (1964) | 2.39 in (1992) |
| June 7 | 95.0°F (1999) | 35.1°F (1958) | 1.83 in (2006) |
| June 8 | 91.9°F (2021) | 37.9°F (1951) | 0.99 in (2006) |
| June 9 | 95.0°F (1984) | 37.0°F (1957) | 1.03 in (1981) |
| June 10 | 91.9°F (1959) | 37.9°F (1975) | 1.61 in (1989) |
| June 11 | 93.0°F (1984) | 39.0°F (1980) | 0.99 in (2013) |
| June 12 | 90.0°F (1942) | 37.0°F (1950) | 1.67 in (2009) |
| June 13 | 93.9°F (1956) | 39.0°F (1953) | 3.58 in (1998) |
| June 14 | 88.0°F (1992) | 37.9°F (1953) | 1.72 in (1998) |
| June 15 | 97.0°F (1988) | 41.0°F (1946) | 1.52 in (1942) |
| June 16 | 93.0°F (1988) | 41.0°F (1965) | 1.54 in (1998) |
| June 17 | 90.0°F (2000) | 39.0°F (1958) | 1.84 in (2023) |
| June 18 | 91.0°F (2018) | 39.0°F (1954) | 1.87 in (1979) |
| June 19 | 93.9°F (1995) | 37.9°F (1956) | 3.21 in (2009) |
| June 20 | 93.9°F (2024) | 43.0°F (1946) | 4.03 in (1967) |
| June 21 | 95.0°F (1941) | 41.0°F (1968) | 1.71 in (1967) |
| June 22 | 95.0°F (1941) | 45.0°F (1947) | 1.04 in (1961) |
| June 23 | 91.0°F (1983) | 39.9°F (1958) | 1.82 in (2013) |
| June 24 | 99.0°F (2025) | 39.9°F (1941) | 1.21 in (1964) |
| June 25 | 93.9°F (1943) | 44.1°F (1953) | 1.59 in (1984) |
| June 26 | 93.9°F (2007) | 41.0°F (1979) | 1.41 in (1952) |
| June 27 | 97.0°F (1941) | 45.0°F (1965) | 1.50 in (1970) |
| June 28 | 98.1°F (1991) | 42.1°F (1995) | 1.58 in (2015) |
| June 29 | 96.1°F (1944) | 45.0°F (1950) | 2.51 in (2020) |
| June 30 | 96.1°F (1971) | 48.9°F (1943) | 0.64 in (1980) |