May weather in Hebron, IL
The average temperature in Hebron in May is 57.1°F (45.7°F–68.6°F). Average precipitation: 4.28 inches.
May is a spring month in Hebron, and is warmer than the annual average of 47°F. Daily temperatures swing about 22.9°F between overnight low and afternoon high. Expect about 13 days with precipitation. Daylight averages about 14h 25m. For travel, May is a comfortable month to visit.
Avg High
68.6°F
Avg Low
45.7°F
Precipitation
4.28 in
Daylight
14h 25m
May records in Hebron
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 84.0°F (2013) | 28.9°F (2015) | 1.29 in (2022) |
| May 2 | 84.9°F (2021) | 30.0°F (2015) | 0.19 in (2017) |
| May 3 | 84.9°F (2021) | 30.0°F (2017) | 1.27 in (2013) |
| May 4 | 82.9°F (2012) | 30.9°F (2019) | 0.60 in (2022) |
| May 5 | 81.0°F (2010) | 32.0°F (2011) | 0.71 in (2024) |
| May 6 | 80.1°F (2018) | 32.0°F (2021) | 0.37 in (2019) |
| May 7 | 82.9°F (2016) | 28.9°F (2017) | 1.17 in (2012) |
| May 8 | 82.0°F (2015) | 28.9°F (2017) | 1.97 in (2024) |
| May 9 | 81.0°F (2018) | 26.1°F (2020) | 1.37 in (2019) |
| May 10 | 82.0°F (2022) | 34.0°F (2010) | 0.60 in (2013) |
| May 11 | 89.1°F (2022) | 26.1°F (2021) | 0.79 in (2010) |
| May 12 | 89.1°F (2022) | 28.0°F (2021) | 0.34 in (2011) |
| May 13 | 91.0°F (2022) | 28.0°F (2021) | 4.01 in (2014) |
| May 14 | 88.0°F (2022) | 30.0°F (2021) | 1.14 in (2009) |
| May 15 | 87.1°F (2013) | 27.0°F (2016) | 0.82 in (2020) |
| May 16 | 90.0°F (2025) | 37.9°F (2010) | 1.20 in (2015) |
| May 17 | 86.0°F (2025) | 35.1°F (2011) | 1.00 in (2020) |
| May 18 | 84.9°F (2017) | 33.1°F (2023) | 1.70 in (2020) |
| May 19 | 84.9°F (2024) | 34.0°F (2016) | 0.34 in (2022) |
| May 20 | 90.0°F (2012) | 34.0°F (2015) | 0.14 in (2007) |
| May 21 | 90.0°F (2012) | 39.0°F (2017) | 1.00 in (2025) |
| May 22 | 84.9°F (2024) | 37.9°F (2015) | 0.79 in (2019) |
| May 23 | 89.1°F (2011) | 35.1°F (2022) | 0.78 in (2011) |
| May 24 | 88.0°F (2010) | 35.1°F (2013) | 0.35 in (2019) |
| May 25 | 90.0°F (2010) | 42.1°F (2013) | 0.58 in (2024) |
| May 26 | 88.0°F (2010) | 33.1°F (2023) | 1.04 in (2008) |
| May 27 | 89.1°F (2018) | 35.1°F (2023) | 1.08 in (2024) |
| May 28 | 95.0°F (2012) | 42.1°F (2011) | 0.74 in (2014) |
| May 29 | 89.1°F (2018) | 35.1°F (2021) | 0.65 in (2020) |
| May 30 | 86.0°F (2018) | 30.0°F (2021) | 1.20 in (2019) |
| May 31 | 90.0°F (2010) | 37.0°F (2021) | 0.52 in (2013) |