May weather in Winfield, IA
The average temperature in Winfield in May is 60.5°F (49.5°F–71.5°F). Average precipitation: 5.41 inches.
May is a spring month in Winfield, and is warmer than the annual average of 48.8°F. Daily temperatures swing about 22°F between overnight low and afternoon high. Expect about 12 days with precipitation. Daylight averages about 14h 18m. For travel, May is a wet month.
Avg High
71.5°F
Avg Low
49.5°F
Precipitation
5.41 in
Daylight
14h 18m
May records in Winfield
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 90.0°F (1952) | 28.9°F (1909) | 1.27 in (2003) |
| May 2 | 90.0°F (1901) | 26.1°F (1908) | 1.65 in (1910) |
| May 3 | 89.1°F (1928) | 25.0°F (2005) | 1.66 in (1984) |
| May 4 | 91.0°F (1952) | 27.0°F (1907) | 2.38 in (1990) |
| May 5 | 91.0°F (1949) | 30.9°F (1944) | 1.70 in (1913) |
| May 6 | 93.9°F (1934) | 30.0°F (1989) | 1.88 in (1932) |
| May 7 | 89.1°F (1934) | 28.0°F (1931) | 1.54 in (1932) |
| May 8 | 91.0°F (1963) | 33.1°F (1954) | 2.05 in (1995) |
| May 9 | 91.9°F (1934) | 28.0°F (1945) | 1.98 in (2021) |
| May 10 | 89.1°F (1922) | 30.0°F (1966) | 3.90 in (1996) |
| May 11 | 93.0°F (2022) | 30.9°F (1907) | 2.05 in (1923) |
| May 12 | 93.9°F (1956) | 32.0°F (1981) | 2.93 in (1963) |
| May 13 | 91.9°F (1940) | 32.0°F (1971) | 2.01 in (2005) |
| May 14 | 91.0°F (1988) | 35.1°F (1980) | 1.70 in (1945) |
| May 15 | 91.9°F (1944) | 32.0°F (1973) | 2.57 in (1943) |
| May 16 | 91.0°F (2025) | 30.9°F (1942) | 1.22 in (1960) |
| May 17 | 89.1°F (1901) | 33.1°F (1973) | 3.30 in (1996) |
| May 18 | 91.9°F (1902) | 34.0°F (1945) | 1.22 in (1974) |
| May 19 | 91.9°F (1962) | 35.1°F (1929) | 1.15 in (1982) |
| May 20 | 91.0°F (1902) | 35.1°F (1954) | 1.56 in (1982) |
| May 21 | 91.0°F (1934) | 33.1°F (1931) | 1.20 in (1975) |
| May 22 | 91.9°F (1925) | 35.1°F (1963) | 1.75 in (1917) |
| May 23 | 91.0°F (1921) | 32.0°F (1963) | 2.85 in (1966) |
| May 24 | 91.9°F (1926) | 36.0°F (1924) | 1.98 in (1918) |
| May 25 | 93.0°F (1967) | 30.9°F (1925) | 1.91 in (1997) |
| May 26 | 93.9°F (1985) | 34.0°F (1925) | 3.29 in (1986) |
| May 27 | 91.9°F (1978) | 35.1°F (1992) | 1.43 in (1973) |
| May 28 | 91.9°F (1991) | 36.0°F (1928) | 1.78 in (1908) |
| May 29 | 98.1°F (1934) | 33.1°F (1952) | 1.58 in (1903) |
| May 30 | 97.0°F (1934) | 37.9°F (1930) | 3.00 in (2004) |
| May 31 | 102.9°F (1934) | 33.1°F (1913) | 2.20 in (2000) |