May weather in Bath, ME
The average temperature in Bath in May is 52.0°F (40.9°F–63.1°F). Average precipitation: 3.56 inches.
May is a spring month in Bath, and is warmer than the annual average of 44.6°F. Daily temperatures swing about 22.2°F between overnight low and afternoon high. Expect about 13 days with precipitation. Daylight averages about 14h 33m. For travel, May is a comfortable month to visit.
Avg High
63.1°F
Avg Low
40.9°F
Precipitation
3.56 in
Daylight
14h 33m
May records in Bath
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 66.0°F (2013) | 26.1°F (2012) | 5.21 in (2023) |
| May 2 | 64.0°F (2013) | 30.0°F (2018) | 0.77 in (2020) |
| May 3 | 84.0°F (2018) | 32.0°F (2013) | 0.95 in (2006) |
| May 4 | 75.0°F (2018) | 33.1°F (2013) | 1.16 in (2004) |
| May 5 | 70.0°F (2015) | 30.0°F (2013) | 1.01 in (1999) |
| May 6 | 73.0°F (2015) | 30.0°F (2020) | 0.77 in (1994) |
| May 7 | 75.9°F (2023) | 28.9°F (2020) | 2.03 in (1998) |
| May 8 | 82.0°F (2015) | 28.9°F (2022) | 1.32 in (2005) |
| May 9 | 72.0°F (2013) | 28.9°F (2022) | 1.46 in (1994) |
| May 10 | 66.9°F (2022) | 30.0°F (2023) | 0.70 in (2012) |
| May 11 | 75.9°F (2015) | 30.9°F (2022) | 1.84 in (2025) |
| May 12 | 79.0°F (2023) | 30.9°F (2018) | 1.24 in (1996) |
| May 13 | 79.0°F (2022) | 34.0°F (2020) | 1.99 in (2006) |
| May 14 | 73.0°F (2012) | 32.0°F (2020) | 1.57 in (2002) |
| May 15 | 84.0°F (2022) | 30.9°F (2013) | 1.13 in (2017) |
| May 16 | 73.0°F (2025) | 30.0°F (2013) | 1.12 in (2011) |
| May 17 | 78.1°F (2013) | 39.0°F (2016) | 0.75 in (1994) |
| May 18 | 75.0°F (2015) | 30.9°F (2023) | 0.66 in (1995) |
| May 19 | 91.9°F (2017) | 33.1°F (2018) | 0.85 in (2007) |
| May 20 | 84.9°F (2017) | 33.1°F (2018) | 0.79 in (2010) |
| May 21 | 79.0°F (2012) | 36.0°F (2017) | 3.03 in (2023) |
| May 22 | 75.0°F (2016) | 37.0°F (2017) | 0.82 in (2013) |
| May 23 | 82.9°F (2020) | 36.0°F (2023) | 1.09 in (2004) |
| May 24 | 82.0°F (2021) | 32.0°F (2020) | 1.94 in (2005) |
| May 25 | 81.0°F (2015) | 33.1°F (2020) | 0.98 in (1999) |
| May 26 | 84.9°F (2018) | 36.0°F (2023) | 1.86 in (2017) |
| May 27 | 82.9°F (2012) | 37.9°F (2013) | 1.15 in (2003) |
| May 28 | 80.1°F (2011) | 35.1°F (2013) | 1.26 in (2024) |
| May 29 | 87.1°F (2016) | 36.0°F (2014) | 0.93 in (2019) |
| May 30 | 86.0°F (2018) | 37.9°F (2023) | 0.47 in (2012) |
| May 31 | 84.9°F (2011) | 42.1°F (2024) | 0.57 in (2021) |