May weather in Williamston, SC
The average temperature in Williamston in May is 68.5°F (56.8°F–80.2°F). Average precipitation: 3.69 inches.
May is a spring month in Williamston, and is warmer than the annual average of 60.6°F. Daily temperatures swing about 23.4°F between overnight low and afternoon high. Expect about 7 days with precipitation. Daylight averages about 13h 49m. For travel, May is a comfortable month to visit.
Avg High
80.2°F
Avg Low
56.8°F
Precipitation
3.69 in
Daylight
13h 49m
May records in Williamston
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 90.0°F (2007) | 39.0°F (1982) | 1.80 in (2016) |
| May 2 | 88.0°F (1990) | 39.9°F (1996) | 2.75 in (1975) |
| May 3 | 88.0°F (2010) | 37.9°F (1971) | 2.02 in (2002) |
| May 4 | 86.0°F (2012) | 32.0°F (1971) | 1.98 in (1975) |
| May 5 | 90.0°F (1981) | 37.9°F (1973) | 2.45 in (1993) |
| May 6 | 90.0°F (1977) | 39.9°F (1968) | 0.85 in (1991) |
| May 7 | 89.1°F (1986) | 41.0°F (1968) | 0.78 in (1976) |
| May 8 | 90.0°F (2004) | 32.0°F (1989) | 2.00 in (1998) |
| May 9 | 88.0°F (1966) | 41.0°F (1984) | 1.76 in (1972) |
| May 10 | 87.1°F (1996) | 5.0°F (1986) | 1.12 in (1989) |
| May 11 | 89.1°F (2011) | 37.9°F (1966) | 1.29 in (1981) |
| May 12 | 91.0°F (1980) | 39.9°F (1969) | 2.04 in (1968) |
| May 13 | 90.0°F (1982) | 39.9°F (1989) | 2.19 in (1971) |
| May 14 | 91.0°F (1982) | 42.1°F (1997) | 3.25 in (1972) |
| May 15 | 90.0°F (1970) | 43.0°F (2002) | 1.83 in (2014) |
| May 16 | 90.0°F (1982) | 39.9°F (1973) | 1.66 in (2018) |
| May 17 | 90.0°F (1977) | 42.1°F (1967) | 1.98 in (1970) |
| May 18 | 90.0°F (1974) | 37.9°F (1973) | 1.49 in (1980) |
| May 19 | 93.0°F (1996) | 39.9°F (1976) | 2.60 in (2020) |
| May 20 | 93.9°F (1996) | 41.0°F (1976) | 2.28 in (2020) |
| May 21 | 93.9°F (1996) | 41.0°F (1993) | 2.53 in (1980) |
| May 22 | 93.0°F (1996) | 41.0°F (1993) | 1.72 in (2003) |
| May 23 | 95.0°F (2011) | 44.1°F (1993) | 1.28 in (2001) |
| May 24 | 91.9°F (1975) | 45.0°F (2001) | 1.32 in (1980) |
| May 25 | 91.9°F (1975) | 46.9°F (1979) | 2.75 in (1996) |
| May 26 | 91.9°F (2011) | 41.0°F (1979) | 2.45 in (2018) |
| May 27 | 93.0°F (1995) | 43.0°F (1979) | 1.42 in (1996) |
| May 28 | 91.9°F (1967) | 48.9°F (1983) | 2.01 in (2009) |
| May 29 | 91.0°F (1967) | 48.0°F (1968) | 2.65 in (1976) |
| May 30 | 93.0°F (1969) | 46.0°F (1971) | 1.22 in (1991) |
| May 31 | 93.0°F (1969) | 39.9°F (1984) | 0.61 in (2005) |