May weather in West Union, SC
The average temperature in West Union in May is 66.7°F (54.5°F–78.9°F). Average precipitation: 4.79 inches.
May is a spring month in West Union, and is warmer than the annual average of 59.2°F. Daily temperatures swing about 24.4°F between overnight low and afternoon high. Expect about 11 days with precipitation. Daylight averages about 13h 49m. For travel, May is a comfortable month to visit.
Avg High
78.9°F
Avg Low
54.5°F
Precipitation
4.79 in
Daylight
13h 49m
May records in West Union
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 91.9°F (1901) | 33.1°F (1996) | 4.00 in (1951) |
| May 2 | 93.0°F (1901) | 30.9°F (1963) | 0.99 in (1989) |
| May 3 | 93.9°F (1938) | 9.0°F (1982) | 2.60 in (1997) |
| May 4 | 90.0°F (1938) | 28.0°F (1971) | 3.03 in (1922) |
| May 5 | 98.1°F (1930) | 33.1°F (1940) | 1.71 in (2013) |
| May 6 | 95.0°F (1940) | 32.0°F (1968) | 2.05 in (2003) |
| May 7 | 93.9°F (1940) | 33.1°F (1989) | 1.86 in (1928) |
| May 8 | 95.0°F (1940) | 28.9°F (1989) | 2.82 in (1930) |
| May 9 | 95.0°F (1936) | 30.9°F (1947) | 1.91 in (1973) |
| May 10 | 96.1°F (1936) | 30.9°F (1923) | 1.95 in (1990) |
| May 11 | 93.9°F (1963) | 35.1°F (1977) | 1.20 in (1981) |
| May 12 | 91.9°F (1905) | 35.1°F (1969) | 1.73 in (1968) |
| May 13 | 90.0°F (1940) | 32.0°F (1960) | 1.43 in (1971) |
| May 14 | 91.9°F (1956) | 34.0°F (1960) | 2.73 in (1972) |
| May 15 | 93.0°F (1962) | 39.9°F (1904) | 3.52 in (1934) |
| May 16 | 97.0°F (1941) | 34.0°F (1973) | 2.90 in (2018) |
| May 17 | 93.0°F (1906) | 35.1°F (1984) | 2.92 in (2018) |
| May 18 | 95.0°F (1906) | 33.1°F (1973) | 1.97 in (1980) |
| May 19 | 96.1°F (1962) | 36.0°F (1976) | 3.00 in (1929) |
| May 20 | 97.0°F (1941) | 39.0°F (2007) | 3.00 in (1909) |
| May 21 | 98.1°F (1941) | 39.0°F (1954) | 3.20 in (1901) |
| May 22 | 100.0°F (1941) | 37.9°F (1954) | 2.00 in (1916) |
| May 23 | 100.0°F (1941) | 42.1°F (1993) | 2.03 in (1980) |
| May 24 | 95.0°F (1904) | 35.1°F (1931) | 1.87 in (1980) |
| May 25 | 97.0°F (1926) | 39.9°F (1931) | 1.08 in (2017) |
| May 26 | 98.1°F (1926) | 35.1°F (1979) | 1.90 in (1959) |
| May 27 | 97.0°F (1926) | 33.1°F (1961) | 2.75 in (2022) |
| May 28 | 98.1°F (1941) | 35.1°F (1933) | 4.52 in (1973) |
| May 29 | 100.9°F (1941) | 34.0°F (1992) | 6.93 in (1976) |
| May 30 | 96.1°F (1941) | 43.0°F (1971) | 2.25 in (1904) |
| May 31 | 99.0°F (1953) | 35.1°F (1984) | 2.97 in (2008) |