May weather in Ohio, IL
The average temperature in Ohio in May is 61.1°F (50.6°F–71.7°F). Average precipitation: 4.63 inches.
May is a spring month in Ohio, and is warmer than the annual average of 49.3°F. Daily temperatures swing about 21.1°F between overnight low and afternoon high. Expect about 10 days with precipitation. Daylight averages about 14h 20m. For travel, May is a comfortable month to visit.
Avg High
71.7°F
Avg Low
50.6°F
Precipitation
4.63 in
Daylight
14h 20m
May records in Ohio
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 91.0°F (1895) | 27.0°F (1978) | 1.10 in (2019) |
| May 2 | 90.0°F (1901) | 24.1°F (2005) | 1.33 in (1899) |
| May 3 | 93.9°F (1895) | 27.0°F (2005) | 1.83 in (1990) |
| May 4 | 91.9°F (1952) | 28.9°F (1907) | 1.20 in (2003) |
| May 5 | 93.0°F (1949) | 30.0°F (1917) | 1.98 in (1977) |
| May 6 | 95.0°F (1934) | 30.0°F (1917) | 1.69 in (1894) |
| May 7 | 90.0°F (1896) | 25.0°F (1989) | 1.50 in (2012) |
| May 8 | 90.0°F (1895) | 30.9°F (1989) | 3.35 in (2023) |
| May 9 | 96.1°F (1934) | 28.9°F (1966) | 2.83 in (1995) |
| May 10 | 93.9°F (2011) | 25.0°F (1966) | 5.31 in (1951) |
| May 11 | 91.9°F (2022) | 28.9°F (1907) | 2.68 in (2002) |
| May 12 | 95.0°F (2022) | 30.9°F (1928) | 2.40 in (1966) |
| May 13 | 93.9°F (2022) | 34.0°F (1923) | 2.58 in (1908) |
| May 14 | 93.9°F (1894) | 28.9°F (1895) | 1.92 in (1945) |
| May 15 | 93.0°F (2013) | 33.1°F (2005) | 1.85 in (2020) |
| May 16 | 95.0°F (2025) | 30.9°F (1997) | 1.45 in (1974) |
| May 17 | 91.9°F (1934) | 30.9°F (2002) | 4.08 in (1974) |
| May 18 | 93.0°F (1934) | 34.0°F (1916) | 2.18 in (1987) |
| May 19 | 95.0°F (1934) | 32.0°F (1929) | 1.12 in (1931) |
| May 20 | 93.9°F (1934) | 30.0°F (2002) | 1.35 in (2001) |
| May 21 | 93.9°F (1934) | 35.1°F (1929) | 1.16 in (2025) |
| May 22 | 96.1°F (1956) | 34.0°F (1963) | 1.44 in (1953) |
| May 23 | 95.0°F (1921) | 35.1°F (1931) | 2.57 in (1988) |
| May 24 | 93.9°F (1939) | 33.1°F (1917) | 2.40 in (1918) |
| May 25 | 93.9°F (1985) | 28.9°F (1925) | 1.40 in (2011) |
| May 26 | 95.0°F (1985) | 33.1°F (1961) | 2.01 in (1991) |
| May 27 | 93.0°F (1911) | 30.0°F (1992) | 2.09 in (1922) |
| May 28 | 98.1°F (2018) | 30.0°F (1965) | 2.40 in (1908) |
| May 29 | 98.1°F (1934) | 34.0°F (1965) | 3.54 in (1937) |
| May 30 | 99.0°F (1934) | 36.0°F (1930) | 2.05 in (2004) |
| May 31 | 105.1°F (1934) | 35.1°F (1897) | 1.60 in (2018) |