May weather in Henry, IL
The average temperature in Henry in May is 63.3°F (51.7°F–75.0°F). Average precipitation: 4.76 inches.
May is a spring month in Henry, and is warmer than the annual average of 52.6°F. Daily temperatures swing about 23.3°F between overnight low and afternoon high. Expect about 12 days with precipitation. Daylight averages about 14h 18m. For travel, May is a comfortable month to visit.
Avg High
75.0°F
Avg Low
51.7°F
Precipitation
4.76 in
Daylight
14h 18m
May records in Henry
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 95.0°F (1952) | 28.9°F (1978) | 2.00 in (2003) |
| May 2 | 90.0°F (1959) | 26.1°F (1966) | 0.96 in (2019) |
| May 3 | 91.0°F (1959) | 26.1°F (2005) | 1.03 in (2024) |
| May 4 | 93.0°F (1952) | 28.0°F (2005) | 1.97 in (1990) |
| May 5 | 93.9°F (1952) | 30.9°F (2005) | 1.75 in (1977) |
| May 6 | 88.0°F (2004) | 32.0°F (1989) | 1.69 in (1976) |
| May 7 | 84.9°F (1988) | 26.1°F (1989) | 1.50 in (1978) |
| May 8 | 87.1°F (1993) | 33.1°F (1976) | 1.91 in (1995) |
| May 9 | 88.0°F (1979) | 28.0°F (1983) | 1.97 in (1990) |
| May 10 | 88.0°F (1979) | 21.9°F (1966) | 1.80 in (1981) |
| May 11 | 88.0°F (1982) | 34.0°F (1989) | 1.60 in (2002) |
| May 12 | 88.0°F (1982) | 32.0°F (1960) | 1.36 in (1999) |
| May 13 | 88.0°F (1982) | 33.1°F (1971) | 2.12 in (1970) |
| May 14 | 89.1°F (1982) | 37.0°F (1980) | 2.10 in (1970) |
| May 15 | 90.0°F (1962) | 36.0°F (1973) | 1.84 in (2009) |
| May 16 | 91.0°F (1962) | 32.0°F (1997) | 1.22 in (1976) |
| May 17 | 91.9°F (1962) | 37.0°F (1994) | 1.01 in (1960) |
| May 18 | 91.9°F (1962) | 32.0°F (2002) | 1.54 in (2000) |
| May 19 | 91.9°F (1975) | 37.9°F (1994) | 1.00 in (2019) |
| May 20 | 90.0°F (1977) | 36.0°F (1981) | 1.85 in (1984) |
| May 21 | 91.0°F (1988) | 30.9°F (2002) | 0.92 in (2019) |
| May 22 | 93.0°F (1962) | 35.1°F (1979) | 1.17 in (1982) |
| May 23 | 91.9°F (1975) | 37.9°F (1969) | 1.20 in (1993) |
| May 24 | 90.0°F (1975) | 39.0°F (1992) | 1.50 in (1995) |
| May 25 | 91.0°F (1967) | 34.0°F (1992) | 1.80 in (1960) |
| May 26 | 91.9°F (1985) | 37.0°F (1979) | 1.10 in (1982) |
| May 27 | 91.0°F (1978) | 33.1°F (1992) | 2.35 in (1996) |
| May 28 | 93.0°F (2006) | 33.1°F (1971) | 1.36 in (1995) |
| May 29 | 93.0°F (2006) | 33.1°F (1965) | 1.70 in (2019) |
| May 30 | 91.9°F (2006) | 37.9°F (1996) | 2.15 in (2018) |
| May 31 | 91.9°F (1988) | 39.9°F (1972) | 1.60 in (1970) |