May weather in Oskaloosa, IA
The average temperature in Oskaloosa in May is 61.5°F (50.8°F–72.2°F). Average precipitation: 4.71 inches.
May is a spring month in Oskaloosa, and is warmer than the annual average of 50.1°F. Daily temperatures swing about 21.4°F between overnight low and afternoon high. Expect about 12 days with precipitation. Daylight averages about 14h 19m. For travel, May is a comfortable month to visit.
Avg High
72.2°F
Avg Low
50.8°F
Precipitation
4.71 in
Daylight
14h 19m
May records in Oskaloosa
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 89.1°F (1952) | 28.0°F (1909) | 1.47 in (1997) |
| May 2 | 89.1°F (1968) | 28.0°F (1908) | 1.52 in (1948) |
| May 3 | 88.0°F (1895) | 28.0°F (1909) | 2.81 in (2024) |
| May 4 | 90.0°F (1918) | 24.1°F (1907) | 1.47 in (1958) |
| May 5 | 91.0°F (1909) | 30.0°F (1929) | 1.46 in (1982) |
| May 6 | 97.0°F (1934) | 30.0°F (1925) | 1.60 in (1982) |
| May 7 | 91.0°F (1934) | 25.0°F (1931) | 3.00 in (2007) |
| May 8 | 93.0°F (1934) | 33.1°F (1923) | 3.41 in (1962) |
| May 9 | 93.9°F (1934) | 28.0°F (1923) | 2.27 in (1950) |
| May 10 | 90.0°F (1896) | 28.0°F (1966) | 2.75 in (1996) |
| May 11 | 90.0°F (2011) | 28.9°F (1946) | 1.78 in (1912) |
| May 12 | 97.0°F (1956) | 30.9°F (1895) | 1.22 in (1985) |
| May 13 | 93.0°F (1956) | 32.0°F (1997) | 1.80 in (2010) |
| May 14 | 91.0°F (1988) | 30.9°F (1895) | 2.04 in (1945) |
| May 15 | 91.0°F (1941) | 33.1°F (1959) | 1.52 in (2020) |
| May 16 | 90.0°F (1911) | 33.1°F (1929) | 1.47 in (1986) |
| May 17 | 89.1°F (1911) | 35.1°F (1915) | 2.35 in (1986) |
| May 18 | 91.0°F (1934) | 34.0°F (1916) | 1.18 in (2004) |
| May 19 | 91.9°F (1934) | 34.0°F (1895) | 1.81 in (1989) |
| May 20 | 93.0°F (1934) | 32.0°F (1954) | 1.26 in (1996) |
| May 21 | 93.9°F (1934) | 32.0°F (1931) | 1.49 in (1944) |
| May 22 | 96.1°F (1925) | 33.1°F (1895) | 1.51 in (1969) |
| May 23 | 91.0°F (1921) | 30.9°F (1963) | 1.70 in (1996) |
| May 24 | 93.9°F (1926) | 34.0°F (1924) | 2.25 in (1989) |
| May 25 | 93.0°F (1953) | 30.9°F (1925) | 2.03 in (1990) |
| May 26 | 95.0°F (1914) | 36.0°F (1901) | 3.43 in (1903) |
| May 27 | 90.0°F (1911) | 36.0°F (1907) | 2.25 in (2013) |
| May 28 | 93.0°F (1895) | 37.0°F (1928) | 1.76 in (1935) |
| May 29 | 102.9°F (1934) | 34.0°F (1947) | 2.88 in (1959) |
| May 30 | 104.0°F (1934) | 39.0°F (1930) | 1.33 in (2011) |
| May 31 | 106.0°F (1934) | 36.0°F (1897) | 2.13 in (1907) |