May weather in Galena, OH
The average temperature in Galena in May is 63.9°F (52.4°F–75.5°F). Average precipitation: 4.22 inches.
May is a spring month in Galena, and is warmer than the annual average of 53.9°F. Daily temperatures swing about 23.1°F between overnight low and afternoon high. Expect about 14 days with precipitation. Daylight averages about 14h 14m. For travel, May is a comfortable month to visit.
Avg High
75.5°F
Avg Low
52.4°F
Precipitation
4.22 in
Daylight
14h 14m
May records in Galena
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 88.0°F (2017) | 28.0°F (1971) | 0.86 in (1983) |
| May 2 | 86.0°F (1959) | 28.9°F (1963) | 1.65 in (1985) |
| May 3 | 87.1°F (1959) | 28.9°F (1978) | 1.39 in (2025) |
| May 4 | 87.1°F (1955) | 28.0°F (1966) | 1.85 in (1958) |
| May 5 | 89.1°F (1952) | 28.9°F (1979) | 1.32 in (2003) |
| May 6 | 89.1°F (1959) | 27.0°F (1968) | 1.47 in (2022) |
| May 7 | 88.0°F (1959) | 27.0°F (1974) | 1.19 in (1967) |
| May 8 | 88.0°F (1979) | 28.9°F (1976) | 1.35 in (1972) |
| May 9 | 88.0°F (1963) | 28.0°F (1980) | 2.54 in (1972) |
| May 10 | 88.0°F (1965) | 23.0°F (1966) | 0.90 in (2013) |
| May 11 | 89.1°F (1979) | 30.9°F (1966) | 1.60 in (1968) |
| May 12 | 88.0°F (1979) | 28.9°F (2020) | 2.13 in (2014) |
| May 13 | 93.9°F (1956) | 32.0°F (1996) | 1.60 in (1970) |
| May 14 | 90.0°F (1962) | 32.0°F (1996) | 1.58 in (1957) |
| May 15 | 91.0°F (1962) | 36.0°F (1973) | 1.09 in (1996) |
| May 16 | 91.0°F (1962) | 28.9°F (1959) | 0.98 in (1990) |
| May 17 | 93.9°F (1962) | 33.1°F (1979) | 0.74 in (1990) |
| May 18 | 95.0°F (1962) | 30.0°F (1973) | 1.05 in (1969) |
| May 19 | 90.0°F (1964) | 32.0°F (1970) | 3.75 in (2020) |
| May 20 | 90.0°F (1962) | 33.1°F (1981) | 1.35 in (2005) |
| May 21 | 89.1°F (1977) | 33.1°F (1954) | 1.21 in (1980) |
| May 22 | 88.0°F (1964) | 30.9°F (2002) | 1.75 in (2018) |
| May 23 | 90.0°F (1964) | 32.0°F (1967) | 1.37 in (1968) |
| May 24 | 88.0°F (1965) | 34.0°F (1956) | 1.04 in (1968) |
| May 25 | 90.0°F (1991) | 37.0°F (2013) | 1.62 in (1995) |
| May 26 | 89.1°F (1965) | 37.0°F (1969) | 1.62 in (1989) |
| May 27 | 91.9°F (2012) | 33.1°F (1961) | 2.18 in (2022) |
| May 28 | 91.9°F (2012) | 36.0°F (1992) | 1.63 in (2000) |
| May 29 | 91.9°F (2012) | 35.1°F (1965) | 1.56 in (1990) |
| May 30 | 91.9°F (2011) | 34.0°F (1984) | 1.16 in (1981) |
| May 31 | 91.9°F (1988) | 37.0°F (1984) | 1.78 in (2008) |