May weather in Cottonwood, SD
The average temperature in Cottonwood in May is 55.1°F (42.0°F–68.3°F). Average precipitation: 2.90 inches. Average snowfall is 0.4 inches.
May is a spring month in Cottonwood, and is warmer than the annual average of 46.1°F. Daily temperatures swing about 26.3°F between overnight low and afternoon high. Expect about 10 days with precipitation. Daylight averages about 14h 33m. For travel, May is a comfortable month to visit.
Avg High
68.3°F
Avg Low
42.0°F
Precipitation
2.90 in
Snow
0.4 in
May records in Cottonwood
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 96.1°F (1992) | 15.1°F (1950) | 1.85 in (1983) |
| May 2 | 88.0°F (1955) | 16.0°F (2013) | 1.48 in (1946) |
| May 3 | 90.0°F (1952) | 15.1°F (1954) | 0.89 in (1991) |
| May 4 | 96.1°F (1985) | 18.0°F (2013) | 1.21 in (1961) |
| May 5 | 98.1°F (1939) | 12.9°F (1944) | 1.44 in (1959) |
| May 6 | 99.0°F (2004) | 21.0°F (1931) | 1.91 in (1932) |
| May 7 | 95.0°F (1934) | 23.0°F (1976) | 0.92 in (2015) |
| May 8 | 102.0°F (1934) | 16.0°F (1980) | 1.37 in (1927) |
| May 9 | 97.0°F (1985) | 24.1°F (1938) | 1.31 in (1986) |
| May 10 | 91.0°F (1961) | 19.9°F (1943) | 2.29 in (2015) |
| May 11 | 91.9°F (1940) | 21.0°F (1916) | 1.07 in (1920) |
| May 12 | 95.0°F (2025) | 14.0°F (1943) | 1.82 in (2005) |
| May 13 | 96.1°F (2025) | 19.9°F (1943) | 1.30 in (2023) |
| May 14 | 95.0°F (1911) | 19.9°F (2004) | 2.27 in (1965) |
| May 15 | 98.1°F (1934) | 24.1°F (1940) | 1.24 in (2025) |
| May 16 | 98.1°F (1934) | 25.0°F (1923) | 2.85 in (1969) |
| May 17 | 100.9°F (1934) | 28.0°F (1992) | 1.00 in (1962) |
| May 18 | 102.9°F (1934) | 28.0°F (1915) | 0.86 in (2018) |
| May 19 | 98.1°F (1934) | 27.0°F (1943) | 1.43 in (1938) |
| May 20 | 100.0°F (1939) | 26.1°F (2003) | 1.42 in (1982) |
| May 21 | 99.0°F (1925) | 17.1°F (1931) | 1.02 in (1990) |
| May 22 | 93.0°F (1980) | 19.9°F (1963) | 1.16 in (2021) |
| May 23 | 100.9°F (2012) | 28.0°F (1963) | 2.16 in (1971) |
| May 24 | 95.0°F (1926) | 19.9°F (2002) | 1.06 in (1996) |
| May 25 | 99.0°F (1931) | 32.0°F (1943) | 1.89 in (1960) |
| May 26 | 96.1°F (1934) | 19.9°F (2002) | 4.00 in (1915) |
| May 27 | 102.9°F (1934) | 26.1°F (1932) | 2.20 in (1973) |
| May 28 | 105.1°F (1934) | 30.0°F (1924) | 1.56 in (1991) |
| May 29 | 105.1°F (1934) | 21.9°F (1947) | 0.77 in (1922) |
| May 30 | 100.0°F (1939) | 25.0°F (1947) | 3.55 in (1943) |
| May 31 | 95.0°F (1933) | 33.1°F (1983) | 1.32 in (1991) |