May weather in Cooksville, IL
The average temperature in Cooksville in May is 61.9°F (49.8°F–74.0°F). Average precipitation: 4.81 inches.
May is a spring month in Cooksville, and is warmer than the annual average of 51.1°F. Daily temperatures swing about 24.2°F between overnight low and afternoon high. Expect about 12 days with precipitation. Daylight averages about 14h 15m. For travel, May is a comfortable month to visit.
Avg High
74.0°F
Avg Low
49.8°F
Precipitation
4.81 in
Daylight
14h 15m
May records in Cooksville
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 87.1°F (2007) | 30.9°F (1978) | 2.12 in (2019) |
| May 2 | 84.9°F (2013) | 32.0°F (2015) | 0.90 in (1983) |
| May 3 | 87.1°F (2018) | 28.0°F (2005) | 0.83 in (2022) |
| May 4 | 86.0°F (1980) | 27.0°F (2005) | 1.03 in (1990) |
| May 5 | 86.0°F (1980) | 28.0°F (2011) | 1.35 in (1991) |
| May 6 | 87.1°F (1982) | 28.9°F (1989) | 0.84 in (2022) |
| May 7 | 91.9°F (2012) | 26.1°F (1989) | 1.05 in (1978) |
| May 8 | 90.0°F (2014) | 32.0°F (2021) | 1.19 in (1998) |
| May 9 | 88.0°F (1993) | 30.9°F (2021) | 1.34 in (1995) |
| May 10 | 87.1°F (1979) | 32.0°F (2010) | 1.90 in (2016) |
| May 11 | 90.0°F (2011) | 36.0°F (1989) | 1.42 in (2010) |
| May 12 | 95.0°F (2022) | 30.0°F (1981) | 2.00 in (2002) |
| May 13 | 90.0°F (2022) | 30.0°F (2021) | 1.63 in (1999) |
| May 14 | 91.9°F (1987) | 32.0°F (2021) | 2.00 in (2009) |
| May 15 | 90.0°F (1998) | 37.0°F (1997) | 1.63 in (2020) |
| May 16 | 91.0°F (2025) | 30.9°F (1997) | 1.01 in (1990) |
| May 17 | 91.9°F (2001) | 32.0°F (2011) | 1.07 in (2020) |
| May 18 | 91.0°F (1996) | 32.0°F (2011) | 2.48 in (2001) |
| May 19 | 90.0°F (1996) | 35.1°F (2007) | 1.69 in (2000) |
| May 20 | 95.0°F (2012) | 34.0°F (1993) | 3.21 in (1984) |
| May 21 | 93.9°F (2012) | 30.9°F (2002) | 0.87 in (1982) |
| May 22 | 91.0°F (1987) | 37.9°F (2002) | 1.05 in (1984) |
| May 23 | 89.1°F (1994) | 42.1°F (1992) | 0.90 in (1993) |
| May 24 | 89.1°F (2010) | 35.1°F (1992) | 1.78 in (1995) |
| May 25 | 93.0°F (2010) | 34.0°F (1992) | 1.21 in (1990) |
| May 26 | 93.0°F (1985) | 35.1°F (1979) | 2.21 in (2011) |
| May 27 | 93.9°F (2012) | 30.9°F (1992) | 1.74 in (2000) |
| May 28 | 98.1°F (2018) | 36.0°F (1992) | 0.96 in (1995) |
| May 29 | 96.1°F (2018) | 37.9°F (1984) | 1.12 in (2016) |
| May 30 | 91.9°F (2006) | 36.0°F (2021) | 1.20 in (2015) |
| May 31 | 93.9°F (2023) | 36.0°F (2021) | 2.82 in (2004) |