May weather in Palmetto, FL
The average temperature in Palmetto in May is 78.4°F (68.5°F–88.2°F). Average precipitation: 3.49 inches.
May is a spring month in Palmetto, and is warmer than the annual average of 74.1°F. Daily temperatures swing about 19.7°F between overnight low and afternoon high. Expect about 7 days with precipitation. Daylight averages about 13h 22m. For travel, May is hot.
Avg High
88.2°F
Avg Low
68.5°F
Precipitation
3.49 in
Daylight
13h 22m
May records in Palmetto
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 93.0°F (2017) | 51.1°F (1965) | 2.00 in (1988) |
| May 2 | 91.9°F (2010) | 48.0°F (1999) | 2.05 in (2014) |
| May 3 | 95.0°F (1990) | 52.0°F (1998) | 0.90 in (2022) |
| May 4 | 93.9°F (1991) | 51.1°F (1971) | 6.74 in (2016) |
| May 5 | 91.9°F (2021) | 46.0°F (1971) | 3.69 in (1978) |
| May 6 | 91.9°F (2025) | 54.0°F (1970) | 1.14 in (2011) |
| May 7 | 93.0°F (1984) | 55.0°F (1970) | 1.63 in (2022) |
| May 8 | 93.0°F (2024) | 52.0°F (1992) | 0.76 in (1979) |
| May 9 | 93.0°F (2021) | 51.1°F (1992) | 0.95 in (1980) |
| May 10 | 93.9°F (2009) | 54.0°F (1984) | 0.95 in (1987) |
| May 11 | 93.9°F (2021) | 55.0°F (1986) | 1.44 in (1996) |
| May 12 | 93.0°F (2023) | 54.0°F (1969) | 1.14 in (2025) |
| May 13 | 93.9°F (2024) | 50.0°F (1989) | 1.38 in (1997) |
| May 14 | 93.9°F (1985) | 54.0°F (1965) | 1.40 in (2014) |
| May 15 | 95.0°F (1995) | 54.0°F (1965) | 2.22 in (1971) |
| May 16 | 93.9°F (1990) | 55.9°F (1998) | 2.60 in (2010) |
| May 17 | 95.0°F (2017) | 48.9°F (1973) | 3.80 in (1969) |
| May 18 | 95.0°F (1995) | 55.0°F (1967) | 1.25 in (1991) |
| May 19 | 95.0°F (2000) | 54.0°F (1979) | 3.61 in (1978) |
| May 20 | 95.0°F (2017) | 57.0°F (1967) | 3.37 in (1991) |
| May 21 | 93.9°F (1990) | 57.0°F (1984) | 1.95 in (2023) |
| May 22 | 95.0°F (1998) | 53.1°F (1994) | 1.22 in (1996) |
| May 23 | 93.9°F (1970) | 57.0°F (1981) | 0.98 in (2003) |
| May 24 | 97.0°F (2025) | 59.0°F (1994) | 4.00 in (2023) |
| May 25 | 98.1°F (2024) | 57.9°F (1967) | 1.19 in (1980) |
| May 26 | 97.0°F (2024) | 55.0°F (1979) | 1.16 in (1981) |
| May 27 | 96.1°F (2024) | 52.0°F (1979) | 1.50 in (2014) |
| May 28 | 96.1°F (2025) | 60.1°F (1972) | 1.65 in (2012) |
| May 29 | 97.0°F (2025) | 62.1°F (1979) | 1.16 in (2014) |
| May 30 | 100.0°F (2024) | 55.9°F (1971) | 1.65 in (1970) |
| May 31 | 95.0°F (2004) | 55.0°F (1971) | 2.29 in (1996) |