May weather in Carterville, IL
The average temperature in Carterville in May is 65.9°F (55.1°F–76.6°F). Average precipitation: 5.18 inches.
May is a spring month in Carterville, and is warmer than the annual average of 56°F. Daily temperatures swing about 21.5°F between overnight low and afternoon high. Expect about 13 days with precipitation. Daylight averages about 14h 2m. For travel, May is a wet month.
Avg High
76.6°F
Avg Low
55.1°F
Precipitation
5.18 in
Daylight
14h 2m
May records in Carterville
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 91.0°F (1901) | 28.9°F (1903) | 1.80 in (2010) |
| May 2 | 91.0°F (1901) | 30.0°F (1978) | 3.54 in (2011) |
| May 3 | 91.0°F (1901) | 32.0°F (1976) | 1.29 in (1954) |
| May 4 | 91.0°F (1949) | 30.0°F (1976) | 1.32 in (1923) |
| May 5 | 93.0°F (1952) | 35.1°F (1910) | 1.75 in (1933) |
| May 6 | 91.0°F (1940) | 33.1°F (1944) | 2.45 in (1961) |
| May 7 | 93.0°F (2012) | 6.1°F (1983) | 2.38 in (1920) |
| May 8 | 90.0°F (1966) | 33.1°F (1992) | 2.00 in (2023) |
| May 9 | 91.9°F (1911) | 30.9°F (1980) | 2.83 in (1950) |
| May 10 | 91.0°F (1916) | 33.1°F (1954) | 2.58 in (1943) |
| May 11 | 89.1°F (1914) | 36.0°F (1989) | 3.24 in (1996) |
| May 12 | 91.0°F (1902) | 33.1°F (1960) | 4.42 in (1918) |
| May 13 | 95.0°F (1915) | 35.1°F (1951) | 2.30 in (2002) |
| May 14 | 93.9°F (1915) | 36.0°F (1910) | 2.35 in (1983) |
| May 15 | 93.0°F (1915) | 37.9°F (1936) | 3.69 in (1923) |
| May 16 | 93.0°F (1911) | 34.0°F (1997) | 3.27 in (1948) |
| May 17 | 95.0°F (1911) | 39.0°F (1929) | 2.98 in (1990) |
| May 18 | 95.0°F (1911) | 30.9°F (2022) | 1.38 in (2018) |
| May 19 | 91.9°F (1964) | 37.0°F (1976) | 2.43 in (2001) |
| May 20 | 93.0°F (1902) | 37.9°F (1929) | 1.91 in (2017) |
| May 21 | 95.0°F (1925) | 36.0°F (1954) | 3.58 in (1898) |
| May 22 | 95.0°F (1925) | 39.0°F (1929) | 5.77 in (1957) |
| May 23 | 93.9°F (1921) | 36.0°F (1963) | 1.63 in (1957) |
| May 24 | 97.0°F (1911) | 34.0°F (1900) | 1.46 in (1902) |
| May 25 | 98.1°F (1911) | 33.1°F (1925) | 1.39 in (1960) |
| May 26 | 100.0°F (1911) | 37.0°F (1925) | 1.77 in (1990) |
| May 27 | 100.0°F (1911) | 34.0°F (1961) | 2.72 in (1973) |
| May 28 | 100.9°F (1911) | 39.0°F (1994) | 1.39 in (1912) |
| May 29 | 98.1°F (1911) | 41.0°F (1901) | 1.51 in (2002) |
| May 30 | 98.1°F (1911) | 39.9°F (1947) | 1.30 in (1896) |
| May 31 | 97.0°F (1913) | 37.0°F (1930) | 4.14 in (1997) |