May weather in Glen Carbon, IL

The average temperature in Glen Carbon in May is °F (°F–°F). Average precipitation: 5.49 inches.

May is a spring month in Glen Carbon, and is cooler than the annual average of 0°F. Expect about 13 days with precipitation. Daylight averages about 14h 7m.

Avg High
°F
Avg Low
°F
Precipitation
5.49 in
Daylight
14h 7m

May records in Glen Carbon

Date Record High Record Low Record Precip
May 1 90.0°F (1987) 46.9°F (1987) 2.36 in (2019)
May 2 88.0°F (1987) 48.9°F (1988) 1.89 in (1935)
May 3 68.0°F (1987) 59.0°F (1987) 1.93 in (2024)
May 4 72.0°F (1988) 52.0°F (1987) 2.41 in (2017)
May 5 72.0°F (1987) 44.1°F (1987) 1.26 in (2003)
May 6 75.0°F (1987) 46.9°F (1988) 1.29 in (1941)
May 7 80.1°F (1987) 50.0°F (1987) 2.14 in (2008)
May 8 82.0°F (1987) 48.9°F (1987) 2.27 in (1961)
May 9 84.0°F (1987) 51.1°F (1988) 1.77 in (1949)
May 10 88.0°F (1987) 60.1°F (1987) 1.62 in (1943)
May 11 88.0°F (1987) 59.0°F (1987) 1.20 in (1918)
May 12 78.1°F (1987) 59.0°F (1987) 1.16 in (2016)
May 13 87.1°F (1987) 57.0°F (1987) 3.23 in (2002)
May 14 90.0°F (1987) 63.0°F (1988) 3.02 in (2004)
May 15 80.1°F (1987) 60.1°F (1987) 1.60 in (1945)
May 16 86.0°F (1987) 54.0°F (1987) 2.65 in (1995)
May 17 90.0°F (1988) 55.9°F (1988) 5.97 in (1943)
May 18 88.0°F (1987) 68.0°F (1987) 2.63 in (1966)
May 19 91.9°F (1987) 66.0°F (1987) 1.76 in (1924)
May 20 93.9°F (1987) 70.0°F (1987) 2.12 in (2025)
May 21 93.0°F (1987) 71.1°F (1987) 2.54 in (1933)
May 22 78.1°F (1987) 61.0°F (1987) 2.35 in (1998)
May 23 79.0°F (1987) 48.9°F (1987) 1.97 in (1910)
May 24 84.0°F (1987) 51.1°F (1987) 2.36 in (1927)
May 25 84.9°F (1988) 55.9°F (1988) 2.46 in (1933)
May 26 90.0°F (1987) 64.0°F (1987) 6.43 in (2009)
May 27 91.9°F (1987) 68.0°F (1988) 1.81 in (2000)
May 28 90.0°F (1987) 68.0°F (1987) 1.61 in (2004)
May 29 91.9°F (1987) 68.0°F (1987) 1.66 in (1982)
May 30 84.9°F (1988) 70.0°F (1987) 1.52 in (1976)
May 31 91.0°F (1987) 66.0°F (1987) 2.80 in (1974)

Other months in Glen Carbon