June weather in Cortland, IL
The average temperature in Cortland in June is 69.7°F (59.5°F–79.9°F). Average precipitation: 4.57 inches.
June is a summer month in Cortland, and is warmer than the annual average of 48.5°F. Daily temperatures swing about 20.4°F between overnight low and afternoon high. Expect about 11 days with precipitation. Daylight averages about 15h 0m. For travel, June is a comfortable month to visit.
Avg High
79.9°F
Avg Low
59.5°F
Precipitation
4.57 in
Daylight
15h 0m
June records in Cortland
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| June 1 | 91.0°F (1988) | 34.0°F (1993) | 2.16 in (1989) |
| June 2 | 91.0°F (2002) | 42.1°F (2003) | 3.06 in (1970) |
| June 3 | 93.9°F (1972) | 41.0°F (1977) | 0.62 in (1995) |
| June 4 | 91.9°F (1977) | 39.9°F (1988) | 2.20 in (2002) |
| June 5 | 91.9°F (1977) | 41.0°F (1993) | 2.03 in (2002) |
| June 6 | 91.9°F (1971) | 44.1°F (1982) | 0.51 in (2001) |
| June 7 | 96.1°F (2011) | 42.1°F (1977) | 1.46 in (2022) |
| June 8 | 97.0°F (2011) | 46.0°F (1975) | 2.20 in (2009) |
| June 9 | 95.0°F (2011) | 39.0°F (1977) | 2.02 in (2011) |
| June 10 | 95.0°F (1968) | 36.0°F (1988) | 1.81 in (2018) |
| June 11 | 93.9°F (1968) | 37.0°F (1972) | 1.55 in (1967) |
| June 12 | 93.9°F (1976) | 42.1°F (2023) | 2.71 in (1987) |
| June 13 | 93.0°F (1976) | 43.0°F (1978) | 2.79 in (1981) |
| June 14 | 93.0°F (2017) | 44.1°F (1977) | 2.17 in (1999) |
| June 15 | 96.1°F (1987) | 48.9°F (1977) | 1.78 in (1972) |
| June 16 | 95.0°F (1994) | 44.1°F (1980) | 2.15 in (2015) |
| June 17 | 95.0°F (1994) | 43.0°F (1980) | 1.25 in (1973) |
| June 18 | 96.1°F (1994) | 46.9°F (1980) | 1.61 in (1996) |
| June 19 | 97.0°F (1994) | 50.0°F (1970) | 2.70 in (2014) |
| June 20 | 91.9°F (1986) | 44.1°F (1980) | 1.62 in (1972) |
| June 21 | 100.0°F (1988) | 37.9°F (1992) | 2.19 in (1974) |
| June 22 | 99.0°F (1988) | 44.1°F (1992) | 3.00 in (2013) |
| June 23 | 95.0°F (1983) | 44.1°F (1972) | 2.10 in (2024) |
| June 24 | 95.0°F (2009) | 45.0°F (1979) | 2.78 in (1994) |
| June 25 | 95.0°F (2005) | 43.0°F (1986) | 1.42 in (1997) |
| June 26 | 100.9°F (1988) | 46.9°F (1986) | 1.13 in (1968) |
| June 27 | 96.1°F (2005) | 48.0°F (1988) | 2.15 in (2018) |
| June 28 | 95.0°F (1971) | 50.0°F (1992) | 2.58 in (1983) |
| June 29 | 97.0°F (2012) | 45.0°F (1989) | 1.05 in (1979) |
| June 30 | 93.9°F (1970) | 42.1°F (1988) | 1.94 in (1977) |