May weather in Plankinton, SD
The average temperature in Plankinton in May is 57.2°F (46.0°F–68.5°F). Average precipitation: 3.72 inches.
May is a spring month in Plankinton, and is warmer than the annual average of 46.1°F. Daily temperatures swing about 22.5°F between overnight low and afternoon high. Expect about 8 days with precipitation. Daylight averages about 14h 32m. For travel, May is a comfortable month to visit.
Avg High
68.5°F
Avg Low
46.0°F
Precipitation
3.72 in
Daylight
14h 32m
May records in Plankinton
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 97.0°F (1959) | 19.0°F (1961) | 1.30 in (1972) |
| May 2 | 93.9°F (1959) | 17.1°F (1967) | 2.00 in (1997) |
| May 3 | 89.1°F (1955) | 18.0°F (1967) | 2.60 in (1964) |
| May 4 | 99.0°F (1926) | 21.9°F (1967) | 2.00 in (2007) |
| May 5 | 91.9°F (1936) | 28.9°F (1929) | 2.08 in (2012) |
| May 6 | 91.9°F (1934) | 21.9°F (1931) | 1.61 in (1942) |
| May 7 | 95.0°F (1963) | 21.0°F (1943) | 1.30 in (1927) |
| May 8 | 102.9°F (1934) | 16.0°F (1980) | 1.75 in (1986) |
| May 9 | 98.1°F (1928) | 23.0°F (1966) | 1.35 in (1995) |
| May 10 | 91.9°F (1987) | 21.9°F (1981) | 1.88 in (1922) |
| May 11 | 90.0°F (1987) | 23.0°F (1946) | 1.08 in (1963) |
| May 12 | 89.1°F (2025) | 24.1°F (1946) | 0.72 in (1972) |
| May 13 | 91.9°F (1932) | 25.0°F (1943) | 2.28 in (1942) |
| May 14 | 96.1°F (1941) | 25.0°F (1959) | 1.19 in (1911) |
| May 15 | 98.1°F (1931) | 24.1°F (1959) | 1.51 in (1965) |
| May 16 | 102.0°F (1934) | 28.0°F (1929) | 2.19 in (1962) |
| May 17 | 107.1°F (1934) | 27.0°F (1930) | 1.75 in (1938) |
| May 18 | 106.0°F (1934) | 32.0°F (1968) | 1.24 in (1962) |
| May 19 | 102.9°F (1934) | 30.0°F (1946) | 1.60 in (1996) |
| May 20 | 102.0°F (1934) | 30.0°F (1946) | 1.35 in (2013) |
| May 21 | 93.9°F (1964) | 21.9°F (1931) | 2.43 in (1977) |
| May 22 | 96.1°F (1967) | 25.0°F (1963) | 1.25 in (1962) |
| May 23 | 100.0°F (1926) | 30.9°F (1947) | 1.25 in (1914) |
| May 24 | 98.1°F (1926) | 25.0°F (1924) | 0.78 in (1965) |
| May 25 | 99.0°F (1967) | 32.0°F (1924) | 1.49 in (1957) |
| May 26 | 95.0°F (1966) | 30.0°F (1992) | 1.00 in (2012) |
| May 27 | 96.1°F (1969) | 34.0°F (1932) | 2.75 in (1973) |
| May 28 | 107.1°F (1934) | 27.0°F (1965) | 0.92 in (1959) |
| May 29 | 108.0°F (1934) | 26.1°F (1947) | 2.45 in (1985) |
| May 30 | 109.0°F (1934) | 32.0°F (1947) | 1.40 in (2010) |
| May 31 | 102.0°F (1934) | 36.0°F (1979) | 3.46 in (1954) |