May weather in Charleston, WV
The average temperature in Charleston in May is 64.7°F (53.2°F–76.2°F). Average precipitation: 4.93 inches.
May is a spring month in Charleston, and is warmer than the annual average of 56.2°F. Daily temperatures swing about 23°F between overnight low and afternoon high. Expect about 14 days with precipitation. Daylight averages about 14h 5m. For travel, May is a comfortable month to visit.
Avg High
76.2°F
Avg Low
53.2°F
Precipitation
4.93 in
Daylight
14h 5m
May records in Charleston
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 91.0°F (2007) | 30.9°F (1969) | 1.32 in (2016) |
| May 2 | 89.1°F (1951) | 28.0°F (1963) | 0.99 in (1985) |
| May 3 | 90.0°F (2018) | 30.9°F (2005) | 1.05 in (1983) |
| May 4 | 90.0°F (1949) | 28.9°F (1986) | 1.95 in (2009) |
| May 5 | 93.0°F (1950) | 34.0°F (1957) | 1.32 in (2012) |
| May 6 | 91.0°F (1959) | 30.9°F (1968) | 1.81 in (2022) |
| May 7 | 90.0°F (1969) | 28.9°F (1968) | 2.26 in (1994) |
| May 8 | 91.0°F (2015) | 35.1°F (1981) | 1.95 in (2008) |
| May 9 | 91.9°F (1963) | 32.0°F (1980) | 1.42 in (1952) |
| May 10 | 91.0°F (2015) | 26.1°F (1966) | 1.45 in (2011) |
| May 11 | 90.0°F (1948) | 28.0°F (1966) | 0.75 in (1974) |
| May 12 | 90.0°F (1979) | 36.0°F (1963) | 1.92 in (2010) |
| May 13 | 91.0°F (1982) | 33.1°F (1996) | 1.39 in (1955) |
| May 14 | 93.0°F (1985) | 30.9°F (1996) | 0.91 in (1967) |
| May 15 | 91.9°F (2018) | 37.9°F (2021) | 1.34 in (1996) |
| May 16 | 91.9°F (1962) | 35.1°F (1984) | 1.00 in (1983) |
| May 17 | 91.0°F (1962) | 34.0°F (1984) | 1.57 in (2019) |
| May 18 | 91.9°F (1962) | 33.1°F (1973) | 1.99 in (1995) |
| May 19 | 91.9°F (1964) | 35.1°F (2002) | 1.10 in (2000) |
| May 20 | 91.0°F (2022) | 32.0°F (2002) | 2.14 in (2020) |
| May 21 | 90.0°F (2022) | 35.1°F (2002) | 0.78 in (2001) |
| May 22 | 90.0°F (1964) | 30.0°F (2002) | 1.57 in (1975) |
| May 23 | 90.0°F (1964) | 34.0°F (1963) | 1.20 in (1978) |
| May 24 | 91.0°F (1970) | 32.0°F (1963) | 1.25 in (1955) |
| May 25 | 91.9°F (1970) | 33.1°F (1956) | 1.25 in (2004) |
| May 26 | 93.0°F (1991) | 37.9°F (1988) | 1.23 in (1957) |
| May 27 | 93.0°F (2012) | 37.0°F (1949) | 1.75 in (2000) |
| May 28 | 91.9°F (2012) | 39.0°F (1961) | 1.77 in (2020) |
| May 29 | 91.9°F (1991) | 37.9°F (1949) | 2.02 in (1982) |
| May 30 | 93.0°F (1969) | 37.9°F (1949) | 1.29 in (1982) |
| May 31 | 93.9°F (2011) | 37.9°F (1966) | 1.01 in (2010) |