May weather in Vermillion, SD
The average temperature in Vermillion in May is 60.4°F (48.1°F–72.7°F). Average precipitation: 3.96 inches.
May is a spring month in Vermillion, and is warmer than the annual average of 48.8°F. Daily temperatures swing about 24.6°F between overnight low and afternoon high. Expect about 10 days with precipitation. Daylight averages about 14h 27m. For travel, May is a comfortable month to visit.
Avg High
72.7°F
Avg Low
48.1°F
Precipitation
3.96 in
Daylight
14h 27m
May records in Vermillion
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 95.0°F (1959) | 21.9°F (1907) | 2.97 in (1972) |
| May 2 | 95.0°F (1987) | 21.9°F (1967) | 1.69 in (1983) |
| May 3 | 93.9°F (1918) | 19.9°F (1967) | 1.54 in (1944) |
| May 4 | 93.0°F (1918) | 23.0°F (1967) | 1.31 in (1960) |
| May 5 | 96.1°F (1909) | 24.1°F (1968) | 0.81 in (1908) |
| May 6 | 100.0°F (1896) | 27.0°F (1925) | 1.77 in (1984) |
| May 7 | 109.9°F (1896) | 27.0°F (1976) | 2.43 in (1930) |
| May 8 | 109.9°F (1896) | 24.1°F (1980) | 0.84 in (2019) |
| May 9 | 98.1°F (1934) | 26.1°F (1966) | 1.62 in (1965) |
| May 10 | 93.9°F (2011) | 23.0°F (1907) | 1.89 in (2004) |
| May 11 | 93.0°F (1928) | 24.1°F (1946) | 1.76 in (1903) |
| May 12 | 95.0°F (2022) | 26.1°F (1946) | 2.13 in (1920) |
| May 13 | 95.0°F (1987) | 26.1°F (1997) | 1.88 in (1913) |
| May 14 | 100.9°F (2013) | 28.9°F (1973) | 1.00 in (1985) |
| May 15 | 100.0°F (2013) | 27.0°F (1959) | 1.68 in (1965) |
| May 16 | 95.0°F (2001) | 25.0°F (2014) | 2.43 in (1992) |
| May 17 | 98.1°F (1934) | 28.9°F (1973) | 2.01 in (2017) |
| May 18 | 100.0°F (1934) | 23.0°F (1915) | 1.80 in (2000) |
| May 19 | 100.0°F (1934) | 30.0°F (2002) | 3.00 in (1990) |
| May 20 | 100.0°F (1925) | 30.0°F (1895) | 1.72 in (1914) |
| May 21 | 97.0°F (1901) | 26.1°F (1931) | 2.84 in (1949) |
| May 22 | 95.0°F (1925) | 24.1°F (1963) | 2.03 in (1962) |
| May 23 | 96.1°F (1950) | 30.9°F (2022) | 1.41 in (1990) |
| May 24 | 96.1°F (1939) | 28.9°F (1924) | 2.40 in (1909) |
| May 25 | 104.0°F (1967) | 32.0°F (1901) | 0.99 in (1982) |
| May 26 | 104.0°F (1967) | 26.1°F (1992) | 2.16 in (1920) |
| May 27 | 96.1°F (2018) | 34.0°F (1992) | 2.20 in (1927) |
| May 28 | 100.0°F (2018) | 32.0°F (1947) | 2.10 in (1984) |
| May 29 | 106.0°F (1934) | 28.9°F (1947) | 2.72 in (2002) |
| May 30 | 106.0°F (1934) | 37.0°F (1947) | 2.71 in (1980) |
| May 31 | 100.9°F (1934) | 34.0°F (1964) | 2.20 in (2005) |