May weather in Dauphin Island, AL
The average temperature in Dauphin Island in May is 76.0°F (71.2°F–80.8°F). Average precipitation: 5.01 inches.
May is a spring month in Dauphin Island, and is warmer than the annual average of 69.2°F. Daily temperatures swing about 9.6°F between overnight low and afternoon high. Expect about 7 days with precipitation. Daylight averages about 13h 32m. For travel, May is a wet month.
Avg High
80.8°F
Avg Low
71.2°F
Precipitation
5.01 in
Daylight
13h 32m
May records in Dauphin Island
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 87.1°F (1985) | 55.9°F (1996) | 3.69 in (2005) |
| May 2 | 87.1°F (2025) | 57.9°F (1996) | 4.62 in (2013) |
| May 3 | 86.0°F (2025) | 57.9°F (1999) | 4.58 in (2012) |
| May 4 | 87.1°F (2022) | 50.0°F (2013) | 4.82 in (1978) |
| May 5 | 87.1°F (2002) | 54.0°F (2013) | 0.56 in (1991) |
| May 6 | 88.0°F (2002) | 55.9°F (2013) | 2.05 in (1991) |
| May 7 | 87.1°F (2002) | 53.1°F (1992) | 1.10 in (2022) |
| May 8 | 88.0°F (2002) | 53.1°F (1992) | 2.13 in (1976) |
| May 9 | 89.1°F (2024) | 53.1°F (1992) | 3.36 in (1980) |
| May 10 | 88.0°F (2002) | 63.0°F (1977) | 7.60 in (1995) |
| May 11 | 88.0°F (2002) | 59.0°F (1981) | 0.82 in (1995) |
| May 12 | 90.0°F (2024) | 63.0°F (1997) | 2.83 in (2006) |
| May 13 | 88.0°F (2002) | 63.0°F (1981) | 1.02 in (1995) |
| May 14 | 88.0°F (2007) | 55.9°F (2015) | 3.50 in (1976) |
| May 15 | 88.0°F (2023) | 55.0°F (2014) | 2.01 in (2014) |
| May 16 | 91.9°F (2023) | 55.9°F (2014) | 1.26 in (2008) |
| May 17 | 91.0°F (2025) | 55.9°F (2011) | 6.64 in (1980) |
| May 18 | 91.0°F (2025) | 55.9°F (2011) | 2.85 in (2020) |
| May 19 | 91.0°F (1998) | 57.0°F (2002) | 2.73 in (2003) |
| May 20 | 91.9°F (2025) | -45.0°F (2017) | 1.32 in (2016) |
| May 21 | 93.0°F (2025) | 57.0°F (1981) | 1.96 in (1991) |
| May 22 | 89.1°F (2015) | 62.1°F (2002) | 1.22 in (1991) |
| May 23 | 90.0°F (1996) | 62.1°F (1993) | 3.93 in (2009) |
| May 24 | 91.9°F (2025) | 61.0°F (1993) | 1.02 in (1979) |
| May 25 | 91.9°F (2025) | 61.0°F (1979) | 2.72 in (1982) |
| May 26 | 93.0°F (2025) | 60.1°F (1979) | 3.13 in (1981) |
| May 27 | 93.0°F (2025) | 66.9°F (1979) | 1.63 in (2010) |
| May 28 | 89.1°F (1996) | 66.0°F (1988) | 3.21 in (1976) |
| May 29 | 89.1°F (2024) | 66.9°F (1997) | 5.20 in (1997) |
| May 30 | 95.0°F (1995) | 57.9°F (1984) | 2.33 in (2005) |
| May 31 | 91.0°F (2006) | 61.0°F (1984) | 2.92 in (1997) |