May weather in Franklin, IL
The average temperature in Franklin in May is 63.3°F (51.7°F–74.8°F). Average precipitation: 4.82 inches.
May is a spring month in Franklin, and is warmer than the annual average of 52.7°F. Daily temperatures swing about 23.1°F between overnight low and afternoon high. Expect about 13 days with precipitation. Daylight averages about 14h 11m. For travel, May is a comfortable month to visit.
Avg High
74.8°F
Avg Low
51.7°F
Precipitation
4.82 in
Daylight
14h 11m
May records in Franklin
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 89.1°F (1899) | 28.0°F (1903) | 4.75 in (1970) |
| May 2 | 90.0°F (1901) | 30.0°F (1911) | 2.04 in (1935) |
| May 3 | 93.0°F (1928) | 30.0°F (2005) | 1.94 in (1944) |
| May 4 | 91.0°F (1952) | 28.9°F (2005) | 2.25 in (2013) |
| May 5 | 93.0°F (1943) | 28.9°F (2005) | 3.18 in (1991) |
| May 6 | 91.0°F (1896) | 30.0°F (1944) | 4.07 in (1977) |
| May 7 | 91.0°F (1896) | 28.9°F (1906) | 4.20 in (1975) |
| May 8 | 91.0°F (1896) | 33.1°F (1989) | 1.66 in (1961) |
| May 9 | 93.0°F (1896) | 30.9°F (1906) | 2.91 in (1918) |
| May 10 | 96.1°F (1928) | 26.1°F (1966) | 1.50 in (1981) |
| May 11 | 90.0°F (2011) | 32.0°F (1907) | 1.45 in (2010) |
| May 12 | 93.9°F (1956) | 30.0°F (1996) | 4.11 in (1920) |
| May 13 | 93.9°F (1956) | 34.0°F (2021) | 1.55 in (1990) |
| May 14 | 91.0°F (1932) | 32.0°F (1895) | 1.70 in (2009) |
| May 15 | 91.0°F (1929) | 33.1°F (1926) | 1.88 in (1943) |
| May 16 | 91.0°F (2025) | 32.0°F (1997) | 2.96 in (1990) |
| May 17 | 91.9°F (2001) | 34.0°F (2008) | 2.10 in (2010) |
| May 18 | 91.9°F (1996) | 34.0°F (2002) | 2.69 in (1943) |
| May 19 | 91.0°F (1996) | 34.0°F (2002) | 2.22 in (1931) |
| May 20 | 93.0°F (1996) | 37.9°F (1981) | 2.04 in (1984) |
| May 21 | 93.9°F (1925) | 32.0°F (1895) | 2.03 in (1982) |
| May 22 | 93.0°F (1925) | 33.1°F (2002) | 1.44 in (1983) |
| May 23 | 91.9°F (1939) | 34.0°F (1963) | 1.79 in (1968) |
| May 24 | 93.9°F (1921) | 39.0°F (1935) | 1.96 in (1980) |
| May 25 | 93.0°F (1953) | 28.9°F (1925) | 1.79 in (1909) |
| May 26 | 93.9°F (1953) | 33.1°F (1925) | 1.90 in (1986) |
| May 27 | 91.9°F (1911) | 33.1°F (1992) | 2.02 in (1916) |
| May 28 | 93.9°F (2018) | 33.1°F (1992) | 1.51 in (1955) |
| May 29 | 95.0°F (1921) | 36.0°F (1901) | 1.73 in (1908) |
| May 30 | 98.1°F (1934) | 37.0°F (1947) | 1.60 in (1935) |
| May 31 | 102.9°F (1934) | 36.0°F (1930) | 1.63 in (1899) |