May weather in Missouri Valley, IA
The average temperature in Missouri Valley in May is 61.0°F (49.4°F–72.5°F). Average precipitation: 4.95 inches.
May is a spring month in Missouri Valley, and is warmer than the annual average of 49.1°F. Daily temperatures swing about 23.1°F between overnight low and afternoon high. Expect about 13 days with precipitation. Daylight averages about 14h 20m. For travel, May is a comfortable month to visit.
Avg High
72.5°F
Avg Low
49.4°F
Precipitation
4.95 in
Daylight
14h 20m
May records in Missouri Valley
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 91.9°F (1992) | 23.0°F (1909) | 1.83 in (1906) |
| May 2 | 91.9°F (1901) | 23.0°F (1908) | 2.75 in (1979) |
| May 3 | 91.9°F (1949) | 26.1°F (1907) | 2.39 in (1946) |
| May 4 | 91.9°F (1918) | 21.0°F (1907) | 1.95 in (1981) |
| May 5 | 95.0°F (1909) | 27.0°F (1944) | 3.36 in (1959) |
| May 6 | 95.0°F (1934) | 26.1°F (1944) | 5.57 in (2007) |
| May 7 | 96.1°F (1966) | 28.9°F (1976) | 2.53 in (2015) |
| May 8 | 96.1°F (1934) | 30.0°F (1908) | 1.30 in (1995) |
| May 9 | 97.0°F (1895) | 28.9°F (1915) | 1.38 in (2016) |
| May 10 | 93.9°F (2011) | 28.0°F (1909) | 1.33 in (1995) |
| May 11 | 95.0°F (1987) | 28.9°F (1946) | 2.61 in (2005) |
| May 12 | 93.9°F (2000) | 28.9°F (1895) | 2.35 in (1982) |
| May 13 | 96.1°F (1915) | 26.1°F (1997) | 2.10 in (1911) |
| May 14 | 97.0°F (1915) | 32.0°F (1926) | 2.61 in (1913) |
| May 15 | 100.9°F (2013) | 26.1°F (2016) | 2.43 in (1943) |
| May 16 | 95.0°F (1939) | 28.9°F (2014) | 1.20 in (1896) |
| May 17 | 93.9°F (1934) | 32.0°F (1915) | 1.77 in (2017) |
| May 18 | 98.1°F (1934) | 30.9°F (1916) | 1.29 in (1921) |
| May 19 | 98.1°F (1934) | 27.0°F (1894) | 1.15 in (1898) |
| May 20 | 97.0°F (1934) | 34.0°F (1894) | 1.68 in (1960) |
| May 21 | 93.0°F (1925) | 30.0°F (1895) | 3.70 in (2024) |
| May 22 | 100.9°F (1925) | 30.0°F (1931) | 5.12 in (1976) |
| May 23 | 93.9°F (1925) | 35.1°F (1963) | 3.97 in (2004) |
| May 24 | 102.0°F (1939) | 33.1°F (1924) | 2.90 in (1964) |
| May 25 | 100.9°F (1967) | 32.0°F (1925) | 2.80 in (1915) |
| May 26 | 98.1°F (1967) | 32.0°F (1901) | 1.64 in (1915) |
| May 27 | 95.0°F (1895) | 34.0°F (1905) | 1.77 in (2006) |
| May 28 | 100.0°F (1895) | 30.9°F (1947) | 1.93 in (1996) |
| May 29 | 104.0°F (1934) | 28.0°F (1947) | 1.28 in (1994) |
| May 30 | 109.0°F (1934) | 36.0°F (1930) | 2.25 in (2008) |
| May 31 | 106.0°F (1934) | 39.0°F (1972) | 1.80 in (1945) |