May weather in Sterling, IL
The average temperature in Sterling in May is °F (°F–°F). Average precipitation: 4.89 inches.
May is a spring month in Sterling, and is cooler than the annual average of 0°F. Expect about 13 days with precipitation. Daylight averages about 14h 22m.
Avg High
°F
Avg Low
°F
Precipitation
4.89 in
Daylight
14h 22m
May records in Sterling
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | — | — | 2.10 in (2003) |
| May 2 | — | — | 0.80 in (1993) |
| May 3 | — | — | 2.01 in (2018) |
| May 4 | — | — | 1.26 in (2015) |
| May 5 | — | — | 1.62 in (2015) |
| May 6 | — | — | 2.50 in (1999) |
| May 7 | — | — | 1.27 in (2009) |
| May 8 | — | — | 1.45 in (1997) |
| May 9 | — | — | 1.69 in (1995) |
| May 10 | — | — | 2.05 in (1996) |
| May 11 | — | — | 1.64 in (2008) |
| May 12 | — | — | 2.29 in (2002) |
| May 13 | — | — | 3.25 in (2010) |
| May 14 | — | — | 0.94 in (2020) |
| May 15 | — | — | 1.90 in (2020) |
| May 16 | — | — | 0.72 in (2009) |
| May 17 | — | — | 1.63 in (2019) |
| May 18 | — | — | 0.53 in (2017) |
| May 19 | — | — | 1.57 in (2000) |
| May 20 | — | — | 0.97 in (1996) |
| May 21 | — | — | 1.35 in (1996) |
| May 22 | — | — | 0.33 in (2019) |
| May 23 | — | — | 0.90 in (1995) |
| May 24 | — | — | 0.78 in (1995) |
| May 25 | — | — | 0.74 in (2015) |
| May 26 | — | — | 2.88 in (2008) |
| May 27 | — | — | 1.04 in (2007) |
| May 28 | — | — | 1.82 in (1995) |
| May 29 | — | — | 1.27 in (1996) |
| May 30 | — | — | 1.53 in (2019) |
| May 31 | — | — | 0.99 in (2018) |