May weather in Martensdale, IA
The average temperature in Martensdale in May is 60.9°F (49.9°F–71.9°F). Average precipitation: 5.58 inches. Average snowfall is 0.3 inches.
May is a spring month in Martensdale, and is warmer than the annual average of 49.9°F. Daily temperatures swing about 22°F between overnight low and afternoon high. Expect about 12 days with precipitation. Daylight averages about 14h 20m. For travel, May is a wet month.
Avg High
71.9°F
Avg Low
49.9°F
Precipitation
5.58 in
Snow
0.3 in
May records in Martensdale
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 89.1°F (1965) | 21.0°F (1909) | 1.67 in (1936) |
| May 2 | 90.0°F (1952) | 28.0°F (1908) | 1.79 in (1944) |
| May 3 | 91.0°F (1952) | 27.0°F (1971) | 2.18 in (2013) |
| May 4 | 90.0°F (1918) | 25.0°F (1907) | 1.82 in (2018) |
| May 5 | 91.0°F (1909) | 28.9°F (1944) | 2.40 in (2003) |
| May 6 | 97.0°F (1934) | 28.9°F (1925) | 2.56 in (1982) |
| May 7 | 91.0°F (1934) | 26.1°F (1931) | 2.63 in (1998) |
| May 8 | 95.0°F (1934) | 28.0°F (1984) | 3.04 in (1997) |
| May 9 | 93.9°F (1934) | 28.9°F (1923) | 1.60 in (1950) |
| May 10 | 93.9°F (2022) | 30.9°F (1966) | 2.64 in (1996) |
| May 11 | 97.0°F (2011) | 27.0°F (1981) | 3.40 in (1912) |
| May 12 | 95.0°F (1956) | 30.9°F (1895) | 1.88 in (2014) |
| May 13 | 93.9°F (2022) | 30.9°F (1997) | 2.53 in (2024) |
| May 14 | 91.0°F (1932) | 30.0°F (1966) | 2.24 in (2001) |
| May 15 | 95.0°F (1941) | 33.1°F (1895) | 2.65 in (1943) |
| May 16 | 91.9°F (1939) | 33.1°F (1929) | 1.37 in (1960) |
| May 17 | 91.9°F (2019) | 30.9°F (2014) | 3.22 in (2019) |
| May 18 | 93.0°F (1934) | 35.1°F (1915) | 1.68 in (2004) |
| May 19 | 93.0°F (1934) | 32.0°F (1894) | 1.69 in (1984) |
| May 20 | 93.9°F (1934) | 33.1°F (1981) | 2.55 in (2025) |
| May 21 | 95.0°F (1934) | 32.0°F (1931) | 1.47 in (1969) |
| May 22 | 97.0°F (1925) | 33.1°F (1963) | 1.90 in (1941) |
| May 23 | 93.9°F (1939) | 33.1°F (1963) | 1.93 in (1935) |
| May 24 | 99.0°F (1939) | 34.0°F (1924) | 2.92 in (1922) |
| May 25 | 96.1°F (1967) | 32.0°F (1925) | 2.28 in (1951) |
| May 26 | 96.1°F (1967) | 36.0°F (1905) | 1.23 in (1962) |
| May 27 | 95.0°F (2018) | 35.1°F (1907) | 2.44 in (1973) |
| May 28 | 98.1°F (2018) | 35.1°F (1947) | 2.20 in (1947) |
| May 29 | 105.1°F (1934) | 30.9°F (1947) | 1.85 in (1962) |
| May 30 | 106.0°F (1934) | 37.9°F (1897) | 1.91 in (2008) |
| May 31 | 104.0°F (1934) | 36.0°F (1972) | 1.82 in (2007) |