May weather in Montgomery, IL
The average temperature in Montgomery in May is 60.6°F (50.1°F–71.1°F). Average precipitation: 4.86 inches.
May is a spring month in Montgomery, and is warmer than the annual average of 50.2°F. Daily temperatures swing about 21°F between overnight low and afternoon high. Expect about 13 days with precipitation. Daylight averages about 14h 21m. For travel, May is a comfortable month to visit.
Avg High
71.1°F
Avg Low
50.1°F
Precipitation
4.86 in
Daylight
14h 21m
May records in Montgomery
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 89.1°F (1992) | 26.1°F (1945) | 2.45 in (2019) |
| May 2 | 89.1°F (1901) | 28.0°F (1911) | 1.63 in (2010) |
| May 3 | 91.0°F (1928) | 28.0°F (1908) | 1.60 in (1979) |
| May 4 | 90.0°F (1952) | 27.0°F (1907) | 1.48 in (1990) |
| May 5 | 91.0°F (1952) | 28.0°F (1954) | 1.23 in (2003) |
| May 6 | 91.9°F (1934) | 26.1°F (1989) | 1.29 in (1976) |
| May 7 | 93.9°F (1896) | 26.1°F (1989) | 1.33 in (1945) |
| May 8 | 93.9°F (1896) | 28.0°F (1947) | 1.43 in (1998) |
| May 9 | 96.1°F (1896) | 27.0°F (1945) | 1.26 in (2003) |
| May 10 | 96.1°F (1896) | 21.0°F (1966) | 3.59 in (1990) |
| May 11 | 93.9°F (1896) | 28.0°F (1907) | 2.56 in (1966) |
| May 12 | 93.9°F (1896) | 28.9°F (1928) | 2.41 in (2002) |
| May 13 | 91.0°F (2022) | 26.1°F (1938) | 1.69 in (2010) |
| May 14 | 90.0°F (1932) | 28.9°F (1910) | 1.64 in (1945) |
| May 15 | 91.9°F (2013) | 30.0°F (1937) | 2.39 in (2020) |
| May 16 | 91.9°F (2025) | 30.0°F (1904) | 1.51 in (1944) |
| May 17 | 91.0°F (1911) | 30.0°F (1997) | 1.45 in (1974) |
| May 18 | 93.0°F (1934) | 30.0°F (1997) | 1.80 in (2020) |
| May 19 | 95.0°F (1975) | 30.9°F (1929) | 1.57 in (1931) |
| May 20 | 95.0°F (1975) | 33.1°F (1926) | 1.08 in (1913) |
| May 21 | 93.9°F (1934) | 28.9°F (1907) | 1.60 in (2014) |
| May 22 | 91.9°F (1925) | 34.0°F (1897) | 2.20 in (2018) |
| May 23 | 93.0°F (1921) | 28.0°F (1917) | 1.52 in (1907) |
| May 24 | 93.0°F (1921) | 33.1°F (1956) | 1.59 in (1995) |
| May 25 | 91.9°F (1911) | 30.9°F (1925) | 2.02 in (1975) |
| May 26 | 91.9°F (1911) | 32.0°F (1934) | 2.31 in (2011) |
| May 27 | 91.9°F (1911) | 32.0°F (1961) | 1.24 in (1898) |
| May 28 | 97.0°F (2012) | 32.0°F (1992) | 2.02 in (2019) |
| May 29 | 93.0°F (1934) | 32.0°F (1965) | 1.32 in (1899) |
| May 30 | 93.9°F (1937) | 34.0°F (1930) | 1.30 in (1981) |
| May 31 | 104.0°F (1934) | 32.0°F (1897) | 1.55 in (2004) |