May weather in Lead, SD
The average temperature in Lead in May is 51.9°F (40.6°F–63.2°F). Average precipitation: 4.90 inches. Average snowfall is 6.7 inches.
May is a spring month in Lead, and is warmer than the annual average of 46.3°F. Daily temperatures swing about 22.6°F between overnight low and afternoon high. Expect about 14 days with precipitation. Daylight averages about 14h 35m. For travel, May is a comfortable month to visit.
Avg High
63.2°F
Avg Low
40.6°F
Precipitation
4.90 in
Snow
6.7 in
May records in Lead
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 81.0°F (1938) | 8.1°F (1909) | 2.00 in (1946) |
| May 2 | 78.1°F (1947) | 12.9°F (1954) | 4.05 in (1946) |
| May 3 | 84.9°F (1985) | 9.0°F (1954) | 1.03 in (1923) |
| May 4 | 81.0°F (1986) | 19.0°F (1967) | 0.90 in (1969) |
| May 5 | 82.9°F (2000) | 19.0°F (1944) | 2.30 in (2007) |
| May 6 | 82.0°F (2017) | 18.0°F (1929) | 1.49 in (1983) |
| May 7 | 84.9°F (1934) | 19.9°F (1924) | 1.22 in (1978) |
| May 8 | 84.0°F (1934) | 17.1°F (2010) | 4.06 in (1995) |
| May 9 | 84.0°F (1934) | 21.9°F (1927) | 3.09 in (1965) |
| May 10 | 81.0°F (1961) | 19.9°F (1946) | 1.59 in (1971) |
| May 11 | 82.0°F (1940) | 16.0°F (1953) | 4.40 in (1922) |
| May 12 | 84.0°F (2025) | 12.9°F (1943) | 1.40 in (2023) |
| May 13 | 84.9°F (1941) | 19.9°F (1983) | 1.81 in (2023) |
| May 14 | 84.0°F (1941) | 25.0°F (1945) | 5.08 in (1965) |
| May 15 | 87.1°F (1936) | 21.9°F (1923) | 3.82 in (1925) |
| May 16 | 84.0°F (1978) | 25.0°F (1910) | 0.97 in (1982) |
| May 17 | 88.0°F (1948) | 24.1°F (2016) | 1.10 in (1955) |
| May 18 | 82.9°F (1992) | 21.9°F (1915) | 2.01 in (1962) |
| May 19 | 87.1°F (2009) | 21.0°F (1931) | 2.05 in (2018) |
| May 20 | 87.1°F (1964) | 21.9°F (2003) | 3.55 in (2013) |
| May 21 | 86.0°F (1925) | 21.9°F (1963) | 2.10 in (2013) |
| May 22 | 89.1°F (1925) | 25.0°F (2022) | 4.53 in (1952) |
| May 23 | 84.9°F (1926) | 27.0°F (2002) | 5.05 in (1933) |
| May 24 | 82.9°F (1926) | 24.1°F (2002) | 1.65 in (1909) |
| May 25 | 86.0°F (1931) | 28.0°F (1992) | 1.57 in (1909) |
| May 26 | 88.0°F (2018) | 21.9°F (1918) | 2.19 in (1929) |
| May 27 | 88.0°F (1913) | 27.0°F (1911) | 2.06 in (1973) |
| May 28 | 87.1°F (1969) | 30.0°F (1911) | 2.16 in (1922) |
| May 29 | 89.1°F (1934) | 24.1°F (1947) | 2.22 in (1909) |
| May 30 | 87.1°F (1939) | 30.0°F (1921) | 2.22 in (1937) |
| May 31 | 87.1°F (1933) | 26.1°F (1917) | 5.73 in (1909) |