May weather in Kiawah Island, SC
The average temperature in Kiawah Island in May is 73.5°F (68.0°F–79.0°F). Average precipitation: 2.58 inches.
May is a spring month in Kiawah Island, and is warmer than the annual average of 67.2°F. Daily temperatures swing about 11°F between overnight low and afternoon high. Expect about 7 days with precipitation. Daylight averages about 13h 41m. For travel, May is one of the best months of the year to visit.
Avg High
79.0°F
Avg Low
68.0°F
Precipitation
2.58 in
Daylight
13h 41m
May records in Kiawah Island
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 91.0°F (1990) | 46.0°F (1908) | 2.83 in (1976) |
| May 2 | 91.0°F (1906) | 48.9°F (1939) | 2.25 in (1964) |
| May 3 | 95.0°F (1959) | 46.0°F (1939) | 2.03 in (1975) |
| May 4 | 91.0°F (1902) | 48.0°F (1940) | 2.13 in (1917) |
| May 5 | 93.0°F (2014) | 46.9°F (1940) | 1.44 in (1923) |
| May 6 | 95.0°F (1952) | 51.1°F (2016) | 1.09 in (1948) |
| May 7 | 93.0°F (1977) | 51.1°F (1992) | 2.05 in (1984) |
| May 8 | 93.0°F (1899) | 48.9°F (1958) | 1.57 in (1935) |
| May 9 | 93.0°F (1936) | 48.9°F (1917) | 1.64 in (1979) |
| May 10 | 91.9°F (1926) | 46.9°F (1906) | 1.72 in (1949) |
| May 11 | 93.9°F (1955) | 52.0°F (1966) | 3.86 in (2025) |
| May 12 | 96.1°F (1896) | 53.1°F (1924) | 4.70 in (1915) |
| May 13 | 93.0°F (1899) | 50.0°F (1917) | 2.93 in (1921) |
| May 14 | 95.0°F (1933) | 51.1°F (1917) | 1.53 in (1936) |
| May 15 | 93.9°F (1935) | 51.1°F (1917) | 2.33 in (1971) |
| May 16 | 96.1°F (1915) | 53.1°F (1926) | 2.28 in (1922) |
| May 17 | 93.9°F (1899) | 54.0°F (1984) | 1.73 in (2023) |
| May 18 | 98.1°F (1899) | 52.0°F (2009) | 1.79 in (1955) |
| May 19 | 93.0°F (1962) | 53.1°F (2002) | 1.16 in (1894) |
| May 20 | 95.0°F (1938) | 45.0°F (1894) | 4.39 in (1932) |
| May 21 | 99.0°F (1938) | 51.1°F (1894) | 2.26 in (1966) |
| May 22 | 95.0°F (1938) | 54.0°F (1895) | 4.85 in (1967) |
| May 23 | 97.0°F (1956) | 55.0°F (1895) | 5.40 in (1976) |
| May 24 | 98.1°F (1953) | 53.1°F (1931) | 2.23 in (1895) |
| May 25 | 95.0°F (1912) | 54.0°F (1979) | 2.32 in (1934) |
| May 26 | 99.0°F (1953) | 50.0°F (1979) | 2.13 in (1938) |
| May 27 | 100.0°F (2019) | 53.1°F (1961) | 2.53 in (1922) |
| May 28 | 98.1°F (2019) | 57.0°F (1934) | 2.31 in (2016) |
| May 29 | 97.0°F (1898) | 57.9°F (1922) | 1.41 in (1964) |
| May 30 | 98.1°F (1898) | 55.0°F (1971) | 2.23 in (1949) |
| May 31 | 98.1°F (1953) | 51.1°F (1984) | 1.26 in (1948) |