May weather in Summerfield, IL
The average temperature in Summerfield in May is 67.7°F (56.3°F–79.1°F). Average precipitation: 5.05 inches.
May is a spring month in Summerfield, and is warmer than the annual average of 57.7°F. Daily temperatures swing about 22.8°F between overnight low and afternoon high. Expect about 12 days with precipitation. Daylight averages about 14h 6m. For travel, May is a wet month.
Avg High
79.1°F
Avg Low
56.3°F
Precipitation
5.05 in
Daylight
14h 6m
May records in Summerfield
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 90.0°F (2007) | 33.1°F (1963) | 1.83 in (2016) |
| May 2 | 90.0°F (1952) | 30.0°F (1978) | 1.81 in (1954) |
| May 3 | 90.0°F (1949) | 30.0°F (1967) | 2.07 in (2013) |
| May 4 | 90.0°F (1952) | 28.0°F (1976) | 2.08 in (2017) |
| May 5 | 93.0°F (1952) | 34.0°F (1979) | 1.44 in (1961) |
| May 6 | 91.0°F (2012) | 33.1°F (1968) | 1.14 in (1960) |
| May 7 | 90.0°F (2012) | 33.1°F (1992) | 3.47 in (1961) |
| May 8 | 90.0°F (1963) | 34.0°F (1976) | 2.91 in (2008) |
| May 9 | 88.0°F (1966) | 32.0°F (1980) | 1.25 in (1995) |
| May 10 | 90.0°F (2018) | 28.9°F (1966) | 1.50 in (2006) |
| May 11 | 90.0°F (2011) | 35.1°F (1989) | 3.00 in (2015) |
| May 12 | 91.0°F (1956) | 33.1°F (1989) | 1.72 in (2010) |
| May 13 | 90.0°F (2018) | 37.0°F (2021) | 1.47 in (1999) |
| May 14 | 93.0°F (2013) | 37.0°F (2021) | 2.13 in (1983) |
| May 15 | 93.0°F (2013) | 39.0°F (1973) | 1.47 in (1956) |
| May 16 | 93.0°F (2001) | 34.0°F (1997) | 3.15 in (1990) |
| May 17 | 93.0°F (2001) | 36.0°F (2011) | 4.57 in (1995) |
| May 18 | 91.0°F (1964) | 36.0°F (2002) | 2.37 in (1995) |
| May 19 | 93.0°F (1998) | 41.0°F (2002) | 1.40 in (2001) |
| May 20 | 93.0°F (1998) | 39.0°F (1981) | 0.95 in (2010) |
| May 21 | 93.0°F (1987) | 39.0°F (1986) | 1.00 in (2001) |
| May 22 | 91.9°F (1975) | 37.9°F (2002) | 1.90 in (1959) |
| May 23 | 91.9°F (1975) | 39.0°F (2002) | 1.05 in (1971) |
| May 24 | 93.9°F (1996) | 43.0°F (1956) | 1.82 in (1952) |
| May 25 | 93.9°F (1953) | 39.0°F (1979) | 2.55 in (1968) |
| May 26 | 97.0°F (1953) | 37.9°F (1979) | 1.92 in (2008) |
| May 27 | 93.9°F (2012) | 39.0°F (1961) | 1.34 in (1973) |
| May 28 | 95.0°F (2012) | 41.0°F (1971) | 1.47 in (2013) |
| May 29 | 95.0°F (2012) | 39.0°F (1984) | 1.63 in (1989) |
| May 30 | 93.0°F (1969) | 41.0°F (1984) | 1.31 in (1956) |
| May 31 | 91.9°F (1953) | 39.9°F (1966) | 1.60 in (1982) |