May weather in Eureka, IL
The average temperature in Eureka in May is °F (°F–°F). Average precipitation: 4.54 inches.
May is a spring month in Eureka, and is cooler than the annual average of 0°F. Expect about 12 days with precipitation. Daylight averages about 14h 16m.
Avg High
°F
Avg Low
°F
Precipitation
4.54 in
Daylight
14h 16m
May records in Eureka
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | — | — | 1.94 in (2019) |
| May 2 | — | — | 0.73 in (2019) |
| May 3 | — | — | 0.92 in (2013) |
| May 4 | — | — | 1.16 in (2003) |
| May 5 | — | — | 0.10 in (2015) |
| May 6 | — | — | 0.19 in (2002) |
| May 7 | — | — | 0.44 in (2009) |
| May 8 | — | — | 1.50 in (2003) |
| May 9 | — | — | 2.40 in (2021) |
| May 10 | — | — | 1.36 in (2003) |
| May 11 | — | — | 4.01 in (2002) |
| May 12 | — | — | 0.18 in (2006) |
| May 13 | — | — | 0.84 in (2004) |
| May 14 | — | — | 1.97 in (2009) |
| May 15 | — | — | 0.84 in (2007) |
| May 16 | — | — | 1.20 in (2009) |
| May 17 | — | — | 0.71 in (2006) |
| May 18 | — | — | 1.00 in (2004) |
| May 19 | — | — | 1.09 in (2019) |
| May 20 | — | — | 0.94 in (2017) |
| May 21 | — | — | 1.09 in (2013) |
| May 22 | — | — | 0.85 in (2019) |
| May 23 | — | — | 0.83 in (2019) |
| May 24 | — | — | 0.72 in (2004) |
| May 25 | — | — | 0.72 in (2011) |
| May 26 | — | — | 1.03 in (2007) |
| May 27 | — | — | 1.61 in (2013) |
| May 28 | — | — | 0.49 in (2003) |
| May 29 | — | — | 0.95 in (2013) |
| May 30 | — | — | 2.70 in (2004) |
| May 31 | — | — | 1.69 in (2008) |