May weather in North Charleston, SC
The average temperature in North Charleston in May is 73.3°F (63.0°F–83.6°F). Average precipitation: 3.32 inches.
May is a spring month in North Charleston, and is warmer than the annual average of 66.5°F. Daily temperatures swing about 20.6°F between overnight low and afternoon high. Expect about 8 days with precipitation. Daylight averages about 13h 42m. For travel, May is a comfortable month to visit.
Avg High
83.6°F
Avg Low
63.0°F
Precipitation
3.32 in
Daylight
13h 42m
May records in North Charleston
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 93.0°F (1986) | 43.0°F (1963) | 1.72 in (1956) |
| May 2 | 95.0°F (1990) | 36.0°F (1963) | 1.95 in (1964) |
| May 3 | 93.0°F (1959) | 39.9°F (1939) | 2.35 in (1946) |
| May 4 | 93.9°F (1938) | 37.9°F (1939) | 1.92 in (1998) |
| May 5 | 95.0°F (2014) | 37.0°F (1940) | 1.28 in (2013) |
| May 6 | 95.0°F (1952) | 43.0°F (1940) | 1.30 in (1984) |
| May 7 | 93.0°F (1977) | 45.0°F (1957) | 1.18 in (2006) |
| May 8 | 93.0°F (1986) | 45.0°F (1989) | 1.05 in (1978) |
| May 9 | 95.0°F (1963) | 45.0°F (1954) | 1.17 in (1979) |
| May 10 | 93.0°F (1963) | 42.1°F (1977) | 1.45 in (1961) |
| May 11 | 96.1°F (1955) | 42.1°F (1977) | 3.31 in (2025) |
| May 12 | 95.0°F (2000) | 41.0°F (1947) | 2.45 in (1999) |
| May 13 | 95.0°F (2000) | 44.1°F (1941) | 1.75 in (1954) |
| May 14 | 95.0°F (1956) | 42.1°F (1941) | 2.45 in (1979) |
| May 15 | 97.0°F (1995) | 46.9°F (1941) | 1.65 in (2009) |
| May 16 | 93.9°F (1941) | 46.9°F (1939) | 2.07 in (1991) |
| May 17 | 96.1°F (1963) | 48.9°F (1967) | 0.88 in (1980) |
| May 18 | 96.1°F (1960) | 50.0°F (1940) | 1.10 in (1980) |
| May 19 | 96.1°F (1996) | 43.0°F (1976) | 4.88 in (2018) |
| May 20 | 97.0°F (1938) | 46.9°F (2002) | 1.16 in (1953) |
| May 21 | 99.0°F (1938) | 45.0°F (2002) | 1.41 in (2013) |
| May 22 | 98.1°F (1938) | 48.0°F (1954) | 6.23 in (1967) |
| May 23 | 97.0°F (2014) | 46.9°F (1954) | 4.86 in (1976) |
| May 24 | 97.0°F (1953) | 50.0°F (1954) | 1.78 in (1979) |
| May 25 | 97.0°F (1953) | 46.9°F (1951) | 1.83 in (1970) |
| May 26 | 100.0°F (2019) | 50.0°F (1979) | 1.87 in (1946) |
| May 27 | 100.0°F (2019) | 52.0°F (1961) | 2.08 in (2020) |
| May 28 | 100.9°F (2019) | 45.0°F (1961) | 2.42 in (2016) |
| May 29 | 100.9°F (2019) | 53.1°F (1961) | 2.42 in (2016) |
| May 30 | 99.0°F (2019) | 55.0°F (1946) | 1.65 in (1948) |
| May 31 | 98.1°F (1953) | 48.9°F (1984) | 1.55 in (2018) |