May weather in Neponset, IL
The average temperature in Neponset in May is 61.1°F (50.2°F–72.0°F). Average precipitation: 5.07 inches.
May is a spring month in Neponset, and is warmer than the annual average of 49.6°F. Daily temperatures swing about 21.8°F between overnight low and afternoon high. Expect about 14 days with precipitation. Daylight averages about 14h 19m. For travel, May is a wet month.
Avg High
72.0°F
Avg Low
50.2°F
Precipitation
5.07 in
Daylight
14h 19m
May records in Neponset
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 99.0°F (1982) | 28.0°F (1978) | 2.53 in (2003) |
| May 2 | 89.1°F (1959) | 26.1°F (1978) | 0.45 in (1945) |
| May 3 | 89.1°F (1968) | 14.0°F (1983) | 1.05 in (1944) |
| May 4 | 91.0°F (1959) | 25.0°F (2005) | 2.99 in (2012) |
| May 5 | 91.9°F (1959) | 30.0°F (1944) | 1.49 in (1977) |
| May 6 | 90.0°F (1959) | 30.9°F (1944) | 1.35 in (1976) |
| May 7 | 88.0°F (1965) | 25.0°F (1982) | 2.53 in (2012) |
| May 8 | 91.0°F (1963) | 30.9°F (1956) | 2.54 in (1965) |
| May 9 | 91.9°F (1963) | 26.1°F (1983) | 1.96 in (2021) |
| May 10 | 91.0°F (1963) | 28.9°F (1966) | 1.90 in (1970) |
| May 11 | 90.0°F (1956) | 34.0°F (1949) | 2.20 in (1966) |
| May 12 | 93.0°F (1956) | 32.0°F (1981) | 3.15 in (2002) |
| May 13 | 91.9°F (2022) | 33.1°F (2013) | 3.00 in (1970) |
| May 14 | 91.9°F (2022) | 36.0°F (1953) | 2.50 in (1970) |
| May 15 | 89.1°F (1944) | 35.1°F (1940) | 1.62 in (2020) |
| May 16 | 91.9°F (2025) | 30.0°F (1997) | 2.37 in (2009) |
| May 17 | 90.0°F (1962) | 35.1°F (1997) | 1.53 in (1986) |
| May 18 | 91.9°F (1962) | 32.0°F (2002) | 1.15 in (1974) |
| May 19 | 91.9°F (1962) | 35.1°F (2002) | 1.41 in (1959) |
| May 20 | 91.9°F (1975) | 34.0°F (1954) | 1.00 in (2025) |
| May 21 | 90.0°F (1972) | 30.0°F (2002) | 1.46 in (2013) |
| May 22 | 91.9°F (1964) | 34.0°F (2002) | 1.37 in (1993) |
| May 23 | 91.0°F (1964) | 36.0°F (1958) | 1.10 in (1966) |
| May 24 | 91.9°F (1975) | 36.0°F (1956) | 1.53 in (1953) |
| May 25 | 93.0°F (1967) | 36.0°F (1976) | 1.41 in (2011) |
| May 26 | 91.9°F (1977) | 36.0°F (1994) | 2.93 in (2011) |
| May 27 | 91.9°F (1977) | 35.1°F (1971) | 2.64 in (1962) |
| May 28 | 95.0°F (2018) | 37.9°F (1949) | 1.52 in (1955) |
| May 29 | 96.1°F (2018) | 35.1°F (1947) | 1.97 in (2019) |
| May 30 | 91.9°F (2006) | 37.0°F (1947) | 1.40 in (1980) |
| May 31 | 91.0°F (1953) | 37.0°F (1993) | 2.00 in (2004) |