May weather in St. Lawrence, SD
The average temperature in St. Lawrence in May is 56.4°F (44.7°F–68.2°F). Average precipitation: 3.51 inches.
May is a spring month in St. Lawrence, and is warmer than the annual average of 45.2°F. Daily temperatures swing about 23.5°F between overnight low and afternoon high. Expect about 10 days with precipitation. Daylight averages about 14h 36m. For travel, May is a comfortable month to visit.
Avg High
68.2°F
Avg Low
44.7°F
Precipitation
3.51 in
Daylight
14h 36m
May records in St. Lawrence
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 99.0°F (1959) | 18.0°F (1916) | 1.70 in (1972) |
| May 2 | 93.9°F (1959) | 18.0°F (1909) | 1.32 in (1915) |
| May 3 | 91.9°F (1918) | 15.1°F (1907) | 3.11 in (1964) |
| May 4 | 97.0°F (1926) | 21.9°F (1967) | 1.40 in (1999) |
| May 5 | 93.9°F (2004) | 23.0°F (1944) | 1.94 in (1950) |
| May 6 | 93.9°F (1916) | 19.9°F (1931) | 2.95 in (2007) |
| May 7 | 95.0°F (1928) | 19.9°F (1931) | 1.52 in (1958) |
| May 8 | 102.9°F (1934) | 23.0°F (1945) | 2.22 in (1995) |
| May 9 | 98.1°F (1911) | 23.0°F (1923) | 0.97 in (2023) |
| May 10 | 90.0°F (1985) | 21.0°F (1981) | 1.33 in (1905) |
| May 11 | 93.9°F (1906) | 21.0°F (1946) | 3.80 in (1998) |
| May 12 | 91.0°F (2025) | 19.9°F (1946) | 1.57 in (1983) |
| May 13 | 91.9°F (1932) | 23.0°F (1943) | 1.75 in (1942) |
| May 14 | 93.0°F (2001) | 21.9°F (1921) | 2.04 in (1908) |
| May 15 | 97.0°F (1931) | 23.0°F (1921) | 1.58 in (1962) |
| May 16 | 91.9°F (1934) | 21.9°F (1929) | 1.97 in (1904) |
| May 17 | 97.0°F (1934) | 25.0°F (1925) | 1.62 in (1961) |
| May 18 | 102.0°F (1934) | 21.9°F (1915) | 1.86 in (1950) |
| May 19 | 100.9°F (1934) | 28.9°F (1915) | 1.15 in (1913) |
| May 20 | 98.1°F (1934) | 21.9°F (1907) | 1.75 in (1974) |
| May 21 | 96.1°F (1932) | 25.0°F (1931) | 1.46 in (1988) |
| May 22 | 91.9°F (1954) | 23.0°F (1924) | 1.90 in (2019) |
| May 23 | 100.0°F (1926) | 30.9°F (1941) | 0.87 in (1955) |
| May 24 | 100.9°F (1926) | 27.0°F (1924) | 1.58 in (1909) |
| May 25 | 91.9°F (1926) | 27.0°F (1910) | 1.96 in (1907) |
| May 26 | 93.9°F (1931) | 32.0°F (1947) | 3.10 in (2013) |
| May 27 | 98.1°F (1969) | 28.0°F (1907) | 1.84 in (1973) |
| May 28 | 102.9°F (1934) | 30.0°F (1965) | 1.69 in (1929) |
| May 29 | 102.9°F (1934) | 21.0°F (1947) | 2.34 in (1978) |
| May 30 | 107.1°F (1934) | 33.1°F (1924) | 1.57 in (1937) |
| May 31 | 100.0°F (1934) | 35.1°F (1917) | 3.24 in (1937) |