May weather in Biddeford, ME
The average temperature in Biddeford in May is 52.1°F (42.7°F–61.6°F). Average precipitation: 4.21 inches.
May is a spring month in Biddeford, and is warmer than the annual average of 45.3°F. Daily temperatures swing about 18.9°F between overnight low and afternoon high. Expect about 13 days with precipitation. Daylight averages about 14h 30m. For travel, May is a comfortable month to visit.
Avg High
61.6°F
Avg Low
42.7°F
Precipitation
4.21 in
Daylight
14h 30m
May records in Biddeford
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 71.1°F (2010) | 26.1°F (2008) | 2.69 in (2023) |
| May 2 | 71.1°F (1998) | 28.9°F (1995) | 0.72 in (2020) |
| May 3 | 90.0°F (2001) | 28.9°F (2000) | 2.57 in (2006) |
| May 4 | 91.0°F (2001) | 28.9°F (2003) | 1.35 in (2025) |
| May 5 | 87.1°F (2001) | 27.0°F (1992) | 0.80 in (1999) |
| May 6 | 81.0°F (2000) | 27.0°F (1992) | 1.11 in (2017) |
| May 7 | 77.0°F (2023) | 23.0°F (2001) | 1.61 in (1991) |
| May 8 | 82.0°F (2000) | 18.0°F (2001) | 1.06 in (2005) |
| May 9 | 80.1°F (2008) | 26.1°F (2001) | 0.89 in (2012) |
| May 10 | 79.0°F (1993) | 25.0°F (2001) | 1.21 in (2006) |
| May 11 | 75.0°F (2002) | 25.0°F (2010) | 0.95 in (1990) |
| May 12 | 80.1°F (2023) | 28.0°F (2001) | 1.20 in (2007) |
| May 13 | 87.1°F (1991) | 16.0°F (2001) | 1.30 in (2006) |
| May 14 | 75.0°F (2023) | 27.0°F (1996) | 4.30 in (2006) |
| May 15 | 79.0°F (2022) | 30.0°F (1996) | 1.05 in (2006) |
| May 16 | 72.0°F (2004) | 33.1°F (2000) | 1.48 in (2006) |
| May 17 | 80.1°F (2013) | 34.0°F (1992) | 1.11 in (2007) |
| May 18 | 73.0°F (2022) | 27.0°F (2023) | 1.00 in (1991) |
| May 19 | 91.9°F (2017) | 33.1°F (1991) | 1.17 in (2010) |
| May 20 | 84.9°F (2017) | 23.0°F (2000) | 1.22 in (1996) |
| May 21 | 82.9°F (2010) | 30.9°F (2002) | 2.17 in (2023) |
| May 22 | 91.0°F (2009) | 33.1°F (2002) | 0.91 in (2013) |
| May 23 | 86.0°F (2009) | 35.1°F (2015) | 1.39 in (2025) |
| May 24 | 84.9°F (2021) | 34.0°F (2020) | 1.00 in (2013) |
| May 25 | 91.0°F (1991) | 34.0°F (1996) | 1.46 in (2005) |
| May 26 | 91.9°F (2007) | 30.0°F (1992) | 2.44 in (2017) |
| May 27 | 90.0°F (2010) | 34.0°F (1997) | 1.42 in (2003) |
| May 28 | 77.0°F (2021) | 30.0°F (1994) | 1.01 in (2009) |
| May 29 | 90.0°F (2023) | 34.0°F (2014) | 1.20 in (2019) |
| May 30 | 84.9°F (1998) | 35.1°F (2014) | 1.54 in (1990) |
| May 31 | 86.0°F (2013) | 36.0°F (1990) | 1.15 in (2021) |