May weather in Armour, SD
The average temperature in Armour in May is 59.6°F (46.4°F–72.8°F). Average precipitation: 4.03 inches.
May is a spring month in Armour, and is warmer than the annual average of 48.9°F. Daily temperatures swing about 26.4°F between overnight low and afternoon high. Expect about 10 days with precipitation. Daylight averages about 14h 30m. For travel, May is a comfortable month to visit.
Avg High
72.8°F
Avg Low
46.4°F
Precipitation
4.03 in
Daylight
14h 30m
May records in Armour
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 97.0°F (1959) | 17.1°F (1908) | 1.62 in (1972) |
| May 2 | 96.1°F (1955) | 19.9°F (1967) | 2.21 in (2008) |
| May 3 | 96.1°F (1949) | 18.0°F (1967) | 1.80 in (1905) |
| May 4 | 98.1°F (1926) | 21.9°F (1967) | 1.82 in (1934) |
| May 5 | 99.0°F (2004) | 26.1°F (1929) | 2.34 in (2007) |
| May 6 | 98.1°F (2004) | 25.0°F (1931) | 1.67 in (1932) |
| May 7 | 97.0°F (1916) | 27.0°F (1943) | 0.92 in (1993) |
| May 8 | 100.0°F (1934) | 23.0°F (1980) | 2.19 in (1993) |
| May 9 | 99.0°F (2004) | 25.0°F (1923) | 1.00 in (1903) |
| May 10 | 95.0°F (1934) | 25.0°F (1981) | 1.60 in (1912) |
| May 11 | 93.0°F (1900) | 23.0°F (1946) | 2.06 in (1942) |
| May 12 | 93.0°F (1915) | 26.1°F (1946) | 1.62 in (1972) |
| May 13 | 96.1°F (1906) | 26.1°F (1966) | 1.73 in (1942) |
| May 14 | 98.1°F (1941) | 26.1°F (2004) | 1.00 in (1961) |
| May 15 | 99.0°F (1931) | 25.0°F (1959) | 1.14 in (1951) |
| May 16 | 95.0°F (1931) | 27.0°F (1929) | 1.50 in (2004) |
| May 17 | 100.9°F (1934) | 28.9°F (1925) | 0.93 in (1955) |
| May 18 | 100.9°F (1934) | 28.9°F (1915) | 2.55 in (1897) |
| May 19 | 100.0°F (1934) | 21.0°F (1931) | 1.76 in (1990) |
| May 20 | 100.0°F (1934) | 28.0°F (1931) | 1.25 in (1917) |
| May 21 | 95.0°F (1964) | 23.0°F (1931) | 2.09 in (1977) |
| May 22 | 93.9°F (1954) | 27.0°F (1963) | 1.35 in (1936) |
| May 23 | 100.9°F (1926) | 33.1°F (2003) | 1.70 in (1909) |
| May 24 | 98.1°F (1926) | 25.0°F (1924) | 2.10 in (1909) |
| May 25 | 102.0°F (1967) | 30.0°F (1901) | 0.94 in (1917) |
| May 26 | 98.1°F (1967) | 32.0°F (1902) | 2.50 in (1908) |
| May 27 | 96.1°F (1969) | 30.0°F (1907) | 2.42 in (1995) |
| May 28 | 102.9°F (1934) | 28.9°F (1965) | 1.35 in (1959) |
| May 29 | 105.1°F (1934) | 28.9°F (1947) | 2.30 in (1978) |
| May 30 | 105.1°F (1934) | 30.9°F (1897) | 1.62 in (1982) |
| May 31 | 100.9°F (1934) | 37.0°F (1922) | 2.26 in (1916) |