May weather in Defiance, OH
The average temperature in Defiance in May is 60.5°F (49.7°F–71.3°F). Average precipitation: 4.26 inches.
May is a spring month in Defiance, and is warmer than the annual average of 50.4°F. Daily temperatures swing about 21.6°F between overnight low and afternoon high. Expect about 13 days with precipitation. Daylight averages about 14h 19m. For travel, May is a comfortable month to visit.
Avg High
71.3°F
Avg Low
49.7°F
Precipitation
4.26 in
Daylight
14h 19m
May records in Defiance
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 89.1°F (1899) | 26.1°F (1963) | 1.50 in (1933) |
| May 2 | 88.0°F (1901) | 28.0°F (1903) | 1.45 in (1983) |
| May 3 | 88.0°F (1959) | 27.0°F (1908) | 1.52 in (2018) |
| May 4 | 89.1°F (1895) | 27.0°F (1903) | 0.71 in (1942) |
| May 5 | 91.0°F (1895) | 28.0°F (1900) | 1.79 in (2003) |
| May 6 | 90.0°F (1949) | 28.0°F (1968) | 1.78 in (1971) |
| May 7 | 90.0°F (1959) | 26.1°F (1974) | 2.24 in (1956) |
| May 8 | 93.9°F (1896) | 27.0°F (1974) | 1.04 in (1924) |
| May 9 | 91.9°F (1896) | 27.0°F (2020) | 1.19 in (2021) |
| May 10 | 91.9°F (1896) | 24.1°F (1966) | 1.35 in (2019) |
| May 11 | 91.9°F (1896) | 27.0°F (1945) | 1.72 in (1951) |
| May 12 | 93.0°F (1896) | 28.9°F (1946) | 2.70 in (1905) |
| May 13 | 91.0°F (1896) | 28.0°F (1946) | 1.40 in (1970) |
| May 14 | 93.9°F (1896) | 28.9°F (1910) | 1.73 in (2025) |
| May 15 | 91.9°F (1982) | 28.0°F (1910) | 1.42 in (1923) |
| May 16 | 90.0°F (1906) | 28.9°F (1904) | 3.02 in (1968) |
| May 17 | 91.0°F (1906) | 30.0°F (1973) | 1.96 in (1943) |
| May 18 | 93.0°F (1962) | 30.0°F (1973) | 1.21 in (1980) |
| May 19 | 93.9°F (1962) | 30.9°F (1973) | 3.48 in (2020) |
| May 20 | 93.0°F (1911) | 32.0°F (2002) | 1.18 in (2018) |
| May 21 | 93.9°F (1934) | 27.0°F (1907) | 1.19 in (1949) |
| May 22 | 95.0°F (1934) | 30.0°F (1895) | 1.13 in (1949) |
| May 23 | 91.0°F (1964) | 27.0°F (1963) | 1.80 in (1907) |
| May 24 | 91.0°F (2007) | 34.0°F (1963) | 1.40 in (1995) |
| May 25 | 91.0°F (1906) | 35.1°F (1949) | 1.72 in (1952) |
| May 26 | 93.9°F (2012) | 35.1°F (1897) | 3.48 in (2011) |
| May 27 | 93.0°F (1911) | 30.9°F (1961) | 2.11 in (1968) |
| May 28 | 99.0°F (1911) | 32.0°F (1902) | 1.95 in (1982) |
| May 29 | 98.1°F (1895) | 33.1°F (1906) | 0.90 in (2024) |
| May 30 | 98.1°F (1895) | 30.0°F (1903) | 1.21 in (1908) |
| May 31 | 98.1°F (1895) | 32.0°F (1897) | 1.85 in (1991) |