April weather in Portland, ME
The average temperature in Portland in April is 44.6°F (35.4°F–53.8°F). Average precipitation: 4.41 inches. Average snowfall is 2.8 inches.
April is a spring month in Portland, and is cooler than the annual average of 47.5°F. Daily temperatures swing about 18.4°F between overnight low and afternoon high. Expect about 11 days with precipitation. Daylight averages about 13h 13m. For travel, April is cool.
Avg High
53.8°F
Avg Low
35.4°F
Precipitation
4.41 in
Snow
2.8 in
April records in Portland
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| April 1 | 69.1°F (1945) | 9.0°F (1964) | 1.56 in (1962) |
| April 2 | 70.0°F (1967) | 12.9°F (1964) | 5.21 in (1973) |
| April 3 | 66.9°F (1967) | 10.9°F (1954) | 2.42 in (1975) |
| April 4 | 75.9°F (2010) | 8.1°F (1954) | 1.85 in (2006) |
| April 5 | 70.0°F (1991) | 10.9°F (1954) | 1.36 in (1984) |
| April 6 | 75.9°F (1991) | 15.1°F (1995) | 2.00 in (1982) |
| April 7 | 84.9°F (2010) | 15.1°F (1943) | 0.76 in (1971) |
| April 8 | 66.9°F (1999) | 19.0°F (1982) | 2.11 in (2022) |
| April 9 | 64.0°F (1945) | 18.0°F (1977) | 1.33 in (2020) |
| April 10 | 73.0°F (1955) | 17.1°F (1977) | 2.88 in (1980) |
| April 11 | 77.0°F (1947) | 17.1°F (1948) | 1.02 in (1983) |
| April 12 | 80.1°F (1945) | 17.1°F (1976) | 1.48 in (1993) |
| April 13 | 73.9°F (1968) | 21.0°F (1976) | 1.75 in (2004) |
| April 14 | 79.0°F (2023) | 21.0°F (1992) | 1.03 in (1953) |
| April 15 | 82.9°F (2003) | 19.9°F (1957) | 1.33 in (2007) |
| April 16 | 86.0°F (2017) | 19.0°F (1943) | 3.35 in (1996) |
| April 17 | 82.9°F (2012) | 22.1°F (2014) | 2.02 in (1954) |
| April 18 | 75.9°F (1964) | 21.0°F (1948) | 2.69 in (1997) |
| April 19 | 79.0°F (2025) | 24.1°F (1962) | 1.21 in (1949) |
| April 20 | 84.9°F (2005) | 24.1°F (1960) | 2.20 in (2015) |
| April 21 | 84.9°F (1957) | 23.0°F (1962) | 4.21 in (1991) |
| April 22 | 82.0°F (1977) | 21.9°F (1959) | 1.90 in (2000) |
| April 23 | 81.0°F (2007) | 21.9°F (1947) | 3.13 in (2012) |
| April 24 | 75.0°F (1994) | 25.0°F (1945) | 2.76 in (1983) |
| April 25 | 79.0°F (1942) | 21.0°F (1965) | 1.31 in (2018) |
| April 26 | 80.1°F (2009) | 26.2°F (2024) | 1.46 in (2025) |
| April 27 | 84.0°F (1990) | 25.0°F (1958) | 3.59 in (1979) |
| April 28 | 91.9°F (2009) | 24.1°F (1947) | 1.37 in (1958) |
| April 29 | 82.0°F (1974) | 24.1°F (1963) | 2.23 in (2008) |
| April 30 | 82.0°F (1942) | 28.0°F (1950) | 2.50 in (2023) |