May weather in Cortland, OH
The average temperature in Cortland in May is 58.5°F (46.4°F–70.6°F). Average precipitation: 4.20 inches.
May is a spring month in Cortland, and is warmer than the annual average of 49.2°F. Daily temperatures swing about 24.2°F between overnight low and afternoon high. Expect about 14 days with precipitation. Daylight averages about 14h 19m. For travel, May is a comfortable month to visit.
Avg High
70.6°F
Avg Low
46.4°F
Precipitation
4.20 in
Daylight
14h 19m
May records in Cortland
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 86.0°F (2017) | 28.9°F (2018) | 0.80 in (1983) |
| May 2 | 86.0°F (2017) | 32.0°F (2021) | 2.10 in (2002) |
| May 3 | 86.0°F (1965) | 26.1°F (1952) | 0.70 in (1992) |
| May 4 | 90.0°F (2012) | 32.0°F (1954) | 0.76 in (1984) |
| May 5 | 88.0°F (2012) | 28.0°F (1966) | 1.48 in (1948) |
| May 6 | 84.0°F (1950) | 33.1°F (2014) | 1.14 in (2024) |
| May 7 | 82.0°F (1965) | 28.9°F (1966) | 1.20 in (1986) |
| May 8 | 82.9°F (2015) | 30.0°F (2017) | 1.76 in (2012) |
| May 9 | 88.0°F (1965) | 27.0°F (2020) | 1.05 in (1973) |
| May 10 | 88.0°F (1965) | 21.0°F (1966) | 4.00 in (2009) |
| May 11 | 87.1°F (2015) | 24.1°F (1966) | 1.40 in (1996) |
| May 12 | 87.1°F (2015) | 32.0°F (1966) | 1.77 in (1974) |
| May 13 | 82.9°F (2022) | 28.9°F (2020) | 1.98 in (2002) |
| May 14 | 87.1°F (2014) | 30.0°F (1951) | 1.17 in (1964) |
| May 15 | 82.0°F (2014) | 34.0°F (1955) | 0.82 in (2011) |
| May 16 | 88.0°F (1965) | 30.0°F (2016) | 1.40 in (1988) |
| May 17 | 84.0°F (1951) | 33.1°F (2016) | 0.85 in (1945) |
| May 18 | 86.0°F (2017) | 30.0°F (1955) | 0.91 in (1950) |
| May 19 | 84.0°F (2017) | 33.1°F (2023) | 1.82 in (2000) |
| May 20 | 87.1°F (2019) | 39.0°F (2016) | 1.40 in (1986) |
| May 21 | 88.0°F (2012) | 36.0°F (1954) | 1.58 in (2004) |
| May 22 | 88.0°F (2022) | 33.1°F (1954) | 1.12 in (2025) |
| May 23 | 86.0°F (2012) | 33.1°F (1954) | 0.82 in (1983) |
| May 24 | 84.9°F (1966) | 35.1°F (1954) | 1.56 in (2003) |
| May 25 | 87.1°F (1966) | 30.9°F (2013) | 1.44 in (1979) |
| May 26 | 89.1°F (1965) | 32.0°F (2013) | 1.83 in (2011) |
| May 27 | 90.0°F (2020) | 34.0°F (2013) | 1.02 in (1965) |
| May 28 | 86.0°F (2012) | 34.0°F (1953) | 1.41 in (1946) |
| May 29 | 90.0°F (2012) | 36.0°F (1953) | 1.19 in (1955) |
| May 30 | 91.0°F (2018) | 33.1°F (1952) | 2.48 in (2024) |
| May 31 | 87.1°F (2013) | 39.9°F (2024) | 1.64 in (2019) |