May weather in Newton, IL
The average temperature in Newton in May is 64.5°F (54.6°F–74.5°F). Average precipitation: 4.79 inches.
May is a spring month in Newton, and is warmer than the annual average of 54.5°F. Daily temperatures swing about 19.9°F between overnight low and afternoon high. Expect about 12 days with precipitation. Daylight averages about 14h 8m. For travel, May is a comfortable month to visit.
Avg High
74.5°F
Avg Low
54.6°F
Precipitation
4.79 in
Daylight
14h 8m
May records in Newton
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 87.1°F (2007) | 32.0°F (2005) | 1.62 in (2006) |
| May 2 | 87.1°F (2012) | 34.0°F (2005) | 0.90 in (2011) |
| May 3 | 84.0°F (2012) | 30.0°F (2005) | 2.26 in (1998) |
| May 4 | 86.0°F (2001) | 30.9°F (2005) | 1.59 in (2017) |
| May 5 | 84.9°F (2012) | 35.1°F (2011) | 1.27 in (1999) |
| May 6 | 88.0°F (2012) | 39.0°F (2005) | 2.34 in (2002) |
| May 7 | 84.9°F (2004) | 41.0°F (2017) | 1.16 in (1998) |
| May 8 | 90.0°F (2007) | 37.0°F (2020) | 2.78 in (1996) |
| May 9 | 84.9°F (2004) | 32.0°F (2020) | 1.26 in (2015) |
| May 10 | 88.0°F (2001) | 37.0°F (2021) | 1.33 in (2003) |
| May 11 | 90.0°F (2011) | 37.9°F (2020) | 0.96 in (2008) |
| May 12 | 88.0°F (2022) | 37.0°F (2020) | 3.92 in (2002) |
| May 13 | 89.1°F (2018) | 36.0°F (2013) | 1.66 in (2009) |
| May 14 | 90.0°F (2018) | 37.0°F (1996) | 1.56 in (2009) |
| May 15 | 89.1°F (2001) | 39.9°F (2016) | 1.01 in (2009) |
| May 16 | 91.9°F (2001) | 34.0°F (1997) | 0.28 in (2013) |
| May 17 | 87.1°F (1996) | 36.0°F (2014) | 1.05 in (2020) |
| May 18 | 89.1°F (1996) | 36.0°F (2002) | 0.48 in (2022) |
| May 19 | 91.0°F (1998) | 37.0°F (2002) | 2.33 in (2022) |
| May 20 | 91.0°F (2012) | 39.9°F (2002) | 1.43 in (2025) |
| May 21 | 89.1°F (2004) | 36.0°F (2002) | 0.72 in (2013) |
| May 22 | 87.1°F (2004) | 36.0°F (1997) | 1.84 in (1998) |
| May 23 | 90.0°F (2010) | 43.0°F (1997) | 1.25 in (2019) |
| May 24 | 91.0°F (2010) | 37.9°F (2013) | 0.65 in (2006) |
| May 25 | 89.1°F (2007) | 43.0°F (1999) | 1.46 in (2009) |
| May 26 | 91.9°F (2012) | 46.0°F (1999) | 1.93 in (2024) |
| May 27 | 93.0°F (2012) | 46.0°F (2005) | 1.67 in (2004) |
| May 28 | 93.9°F (2012) | 46.0°F (2001) | 0.71 in (2020) |
| May 29 | 91.9°F (2006) | 46.0°F (2001) | 1.39 in (2019) |
| May 30 | 93.0°F (2006) | 44.1°F (2021) | 1.57 in (2015) |
| May 31 | 91.9°F (2002) | 46.9°F (1996) | 1.77 in (2001) |