May weather in Rochelle, IL
The average temperature in Rochelle in May is 59.0°F (48.1°F–70.0°F). Average precipitation: 4.69 inches.
May is a spring month in Rochelle, and is warmer than the annual average of 47.9°F. Daily temperatures swing about 21.9°F between overnight low and afternoon high. Expect about 13 days with precipitation. Daylight averages about 14h 22m. For travel, May is a comfortable month to visit.
Avg High
70.0°F
Avg Low
48.1°F
Precipitation
4.69 in
Daylight
14h 22m
May records in Rochelle
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 84.0°F (2001) | 30.9°F (2005) | 2.13 in (2003) |
| May 2 | 89.1°F (1992) | 28.0°F (1985) | 0.67 in (2016) |
| May 3 | 84.0°F (2018) | 26.1°F (2005) | 1.57 in (2018) |
| May 4 | 84.9°F (2001) | 25.0°F (2005) | 1.57 in (1990) |
| May 5 | 84.9°F (1980) | 28.9°F (2011) | 2.06 in (2015) |
| May 6 | 86.0°F (1980) | 28.9°F (1989) | 0.35 in (1990) |
| May 7 | 84.9°F (2000) | 27.0°F (1989) | 0.89 in (2012) |
| May 8 | 84.0°F (1985) | 33.1°F (1989) | 1.25 in (1998) |
| May 9 | 87.1°F (2014) | 28.0°F (1983) | 1.78 in (1995) |
| May 10 | 91.0°F (1987) | 30.9°F (2010) | 1.19 in (1990) |
| May 11 | 91.9°F (1987) | 32.0°F (1981) | 1.37 in (2005) |
| May 12 | 90.0°F (2011) | 30.0°F (1981) | 2.40 in (2002) |
| May 13 | 84.9°F (1991) | 32.0°F (2013) | 2.06 in (2010) |
| May 14 | 91.0°F (1991) | 33.1°F (2013) | 1.06 in (2004) |
| May 15 | 91.0°F (2013) | 30.9°F (2016) | 1.70 in (2018) |
| May 16 | 89.1°F (2007) | 30.0°F (1997) | 0.65 in (2009) |
| May 17 | 91.9°F (1987) | 30.0°F (1997) | 2.11 in (1986) |
| May 18 | 90.0°F (1996) | 32.0°F (2002) | 1.99 in (1987) |
| May 19 | 91.0°F (1996) | 33.1°F (2002) | 0.70 in (1997) |
| May 20 | 90.0°F (1998) | 34.0°F (1981) | 1.00 in (1996) |
| May 21 | 89.1°F (2012) | 30.9°F (2002) | 0.83 in (1996) |
| May 22 | 87.1°F (1992) | 32.0°F (2002) | 0.79 in (2019) |
| May 23 | 87.1°F (1994) | 39.0°F (1985) | 1.62 in (1995) |
| May 24 | 88.0°F (2010) | 32.0°F (1992) | 1.26 in (1995) |
| May 25 | 91.9°F (2010) | 28.9°F (1992) | 0.93 in (2015) |
| May 26 | 96.1°F (1985) | 30.9°F (1992) | 1.41 in (1991) |
| May 27 | 89.1°F (2012) | 28.0°F (1992) | 1.21 in (2009) |
| May 28 | 95.0°F (2012) | 28.9°F (1992) | 1.02 in (1995) |
| May 29 | 93.0°F (1998) | 33.1°F (1992) | 2.88 in (1996) |
| May 30 | 91.9°F (2006) | 39.0°F (1984) | 1.59 in (2011) |
| May 31 | 89.1°F (1988) | 39.9°F (1996) | 1.34 in (2004) |