May weather in Fairfield, IA
The average temperature in Fairfield in May is 60.5°F (49.8°F–71.3°F). Average precipitation: 5.51 inches.
May is a spring month in Fairfield, and is warmer than the annual average of 49.7°F. Daily temperatures swing about 21.5°F between overnight low and afternoon high. Expect about 13 days with precipitation. Daylight averages about 14h 18m. For travel, May is a wet month.
Avg High
71.3°F
Avg Low
49.8°F
Precipitation
5.51 in
Daylight
14h 18m
May records in Fairfield
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 89.1°F (1952) | 28.0°F (1918) | 2.35 in (1921) |
| May 2 | 88.0°F (1968) | 28.0°F (1994) | 2.00 in (1895) |
| May 3 | 88.0°F (1959) | 26.1°F (2005) | 2.16 in (1984) |
| May 4 | 90.0°F (1952) | 28.0°F (2005) | 1.98 in (2012) |
| May 5 | 90.0°F (1909) | 30.9°F (1929) | 1.59 in (2001) |
| May 6 | 93.0°F (1934) | 30.9°F (1917) | 1.68 in (2007) |
| May 7 | 89.1°F (1934) | 26.1°F (1931) | 1.91 in (1932) |
| May 8 | 91.0°F (1963) | 30.0°F (1908) | 2.90 in (1995) |
| May 9 | 91.9°F (1934) | 28.9°F (1966) | 1.61 in (1950) |
| May 10 | 90.0°F (2011) | 28.0°F (1966) | 3.00 in (1951) |
| May 11 | 91.9°F (1956) | 34.0°F (1925) | 2.61 in (2008) |
| May 12 | 93.9°F (1956) | 30.9°F (1928) | 2.00 in (1908) |
| May 13 | 91.9°F (2022) | 32.0°F (1923) | 1.27 in (1978) |
| May 14 | 91.0°F (1988) | 28.9°F (1895) | 3.00 in (1945) |
| May 15 | 91.0°F (1944) | 32.0°F (1920) | 2.49 in (1943) |
| May 16 | 95.0°F (1969) | 33.1°F (1997) | 3.18 in (1896) |
| May 17 | 90.0°F (1996) | 34.0°F (2011) | 3.17 in (1986) |
| May 18 | 93.0°F (1964) | 32.0°F (1925) | 2.40 in (1927) |
| May 19 | 91.9°F (1902) | 34.0°F (1929) | 2.03 in (1898) |
| May 20 | 91.9°F (1987) | 34.0°F (1954) | 1.38 in (2025) |
| May 21 | 91.9°F (1934) | 33.1°F (1931) | 1.85 in (1950) |
| May 22 | 93.9°F (1925) | 33.1°F (1914) | 1.44 in (1917) |
| May 23 | 91.0°F (1972) | 34.0°F (1963) | 2.33 in (1995) |
| May 24 | 93.9°F (1926) | 34.0°F (1918) | 2.95 in (1918) |
| May 25 | 93.9°F (1953) | 28.9°F (1925) | 2.35 in (1909) |
| May 26 | 96.1°F (1926) | 33.1°F (1925) | 1.93 in (2013) |
| May 27 | 93.9°F (1985) | 36.0°F (1992) | 3.61 in (1914) |
| May 28 | 97.0°F (2018) | 34.0°F (1928) | 3.45 in (1908) |
| May 29 | 97.0°F (1934) | 34.0°F (1947) | 3.46 in (2019) |
| May 30 | 100.0°F (1934) | 35.1°F (1897) | 4.37 in (2004) |
| May 31 | 102.0°F (1934) | 23.0°F (2001) | 1.77 in (1946) |