May weather in Marion, IL
The average temperature in Marion in May is °F (°F–°F). Average precipitation: 5.02 inches.
May is a spring month in Marion, and is cooler than the annual average of 0°F. Expect about 10 days with precipitation. Daylight averages about 14h 2m.
Avg High
°F
Avg Low
°F
Precipitation
5.02 in
Daylight
14h 2m
May records in Marion
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | — | — | 2.16 in (2004) |
| May 2 | — | — | 2.67 in (2011) |
| May 3 | — | — | 1.32 in (1983) |
| May 4 | — | — | 1.40 in (1995) |
| May 5 | — | — | 1.20 in (2003) |
| May 6 | — | — | 1.83 in (1996) |
| May 7 | — | — | 2.00 in (1982) |
| May 8 | — | — | 1.58 in (2002) |
| May 9 | — | — | 2.29 in (2014) |
| May 10 | — | — | 0.78 in (1981) |
| May 11 | — | — | 1.86 in (1996) |
| May 12 | — | — | 2.80 in (2016) |
| May 13 | — | — | 1.99 in (2002) |
| May 14 | — | — | 1.69 in (1983) |
| May 15 | — | — | 1.92 in (1983) |
| May 16 | — | — | 1.21 in (2008) |
| May 17 | — | — | 1.65 in (1995) |
| May 18 | — | — | 2.34 in (1995) |
| May 19 | — | — | 2.26 in (1981) |
| May 20 | — | — | 1.26 in (2017) |
| May 21 | — | — | 1.01 in (2013) |
| May 22 | — | — | 2.06 in (2019) |
| May 23 | — | — | 1.18 in (1984) |
| May 24 | — | — | 0.62 in (1998) |
| May 25 | — | — | 0.67 in (2015) |
| May 26 | — | — | 1.51 in (1997) |
| May 27 | — | — | 1.56 in (2004) |
| May 28 | — | — | 1.91 in (2010) |
| May 29 | — | — | 1.50 in (2002) |
| May 30 | — | — | 0.78 in (2008) |
| May 31 | — | — | 2.75 in (1997) |