May weather in Vermilion, IL
The average temperature in Vermilion in May is 62.1°F (51.2°F–73.0°F). Average precipitation: 4.17 inches.
May is a spring month in Vermilion, and is warmer than the annual average of 51.4°F. Daily temperatures swing about 21.8°F between overnight low and afternoon high. Expect about 12 days with precipitation. Daylight averages about 14h 11m. For travel, May is a comfortable month to visit.
Avg High
73.0°F
Avg Low
51.2°F
Precipitation
4.17 in
Daylight
14h 11m
May records in Vermilion
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 90.0°F (1901) | 28.9°F (1903) | 2.22 in (1940) |
| May 2 | 91.0°F (1901) | 30.0°F (1966) | 4.20 in (1935) |
| May 3 | 90.0°F (1901) | 28.0°F (1971) | 1.80 in (1998) |
| May 4 | 89.1°F (1959) | 28.0°F (1926) | 1.85 in (2017) |
| May 5 | 91.0°F (1952) | 32.0°F (1917) | 2.08 in (2003) |
| May 6 | 91.0°F (1949) | 28.9°F (1944) | 1.90 in (1960) |
| May 7 | 88.0°F (1936) | 30.9°F (1989) | 3.42 in (1908) |
| May 8 | 93.0°F (1896) | 30.9°F (1928) | 3.37 in (1961) |
| May 9 | 98.1°F (1896) | 28.0°F (1947) | 1.11 in (1909) |
| May 10 | 99.0°F (1896) | 28.0°F (1966) | 2.00 in (1951) |
| May 11 | 99.0°F (1896) | 32.0°F (1907) | 2.75 in (2006) |
| May 12 | 90.0°F (2022) | 30.9°F (1960) | 2.40 in (1920) |
| May 13 | 93.0°F (1896) | 32.0°F (1928) | 2.84 in (2002) |
| May 14 | 89.1°F (1962) | 27.0°F (1895) | 1.95 in (2009) |
| May 15 | 90.0°F (1900) | 33.1°F (1920) | 1.50 in (1916) |
| May 16 | 90.0°F (2001) | 35.1°F (1921) | 2.81 in (1990) |
| May 17 | 91.9°F (2001) | 34.0°F (1895) | 2.65 in (1943) |
| May 18 | 91.0°F (1911) | 33.1°F (1925) | 2.26 in (1981) |
| May 19 | 91.9°F (1911) | 35.1°F (1925) | 2.62 in (1974) |
| May 20 | 91.9°F (1921) | 37.0°F (1894) | 1.88 in (1947) |
| May 21 | 93.0°F (1934) | 30.9°F (1907) | 2.72 in (1974) |
| May 22 | 93.9°F (1925) | 35.1°F (1895) | 2.40 in (1917) |
| May 23 | 93.9°F (1925) | 37.0°F (1926) | 3.40 in (1968) |
| May 24 | 93.9°F (1921) | 35.1°F (1956) | 2.28 in (1968) |
| May 25 | 93.0°F (1896) | 28.9°F (1925) | 1.42 in (1975) |
| May 26 | 93.9°F (1911) | 30.0°F (1925) | 2.24 in (2011) |
| May 27 | 96.1°F (1911) | 32.0°F (1961) | 2.48 in (1917) |
| May 28 | 96.1°F (1911) | 36.0°F (1907) | 1.52 in (1955) |
| May 29 | 95.0°F (1911) | 36.0°F (1965) | 1.36 in (1991) |
| May 30 | 95.0°F (1895) | 37.9°F (1947) | 1.92 in (1944) |
| May 31 | 98.1°F (1934) | 36.0°F (1894) | 2.00 in (2018) |