May weather in Elgin, IL
The average temperature in Elgin in May is 59.3°F (48.3°F–70.3°F). Average precipitation: 5.12 inches.
May is a spring month in Elgin, and is warmer than the annual average of 49°F. Daily temperatures swing about 22°F between overnight low and afternoon high. Expect about 13 days with precipitation. Daylight averages about 14h 23m. For travel, May is a wet month.
Avg High
70.3°F
Avg Low
48.3°F
Precipitation
5.12 in
Daylight
14h 23m
May records in Elgin
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 87.1°F (1926) | 28.9°F (1978) | 2.34 in (2003) |
| May 2 | 87.1°F (1992) | 28.9°F (2008) | 0.99 in (1948) |
| May 3 | 86.0°F (2018) | 28.0°F (2004) | 2.55 in (2018) |
| May 4 | 84.9°F (1918) | 28.9°F (2005) | 1.81 in (1919) |
| May 5 | 86.0°F (1918) | 32.0°F (1900) | 1.52 in (2003) |
| May 6 | 84.9°F (1926) | 32.0°F (1976) | 1.47 in (1976) |
| May 7 | 86.0°F (2004) | 32.0°F (1917) | 0.85 in (2012) |
| May 8 | 86.0°F (2023) | 30.9°F (2021) | 2.83 in (1939) |
| May 9 | 88.0°F (2014) | 28.0°F (2020) | 2.25 in (2019) |
| May 10 | 89.1°F (1922) | 28.0°F (2020) | 2.20 in (1948) |
| May 11 | 90.0°F (2011) | 30.9°F (1913) | 1.28 in (2003) |
| May 12 | 91.9°F (2022) | 30.9°F (2021) | 2.57 in (2011) |
| May 13 | 91.9°F (2022) | 30.9°F (1923) | 2.94 in (2010) |
| May 14 | 90.0°F (2022) | 30.9°F (1920) | 2.04 in (1945) |
| May 15 | 90.0°F (2013) | 32.0°F (1926) | 2.97 in (2020) |
| May 16 | 91.9°F (2025) | 33.1°F (1921) | 1.64 in (1925) |
| May 17 | 90.0°F (1911) | 34.0°F (2009) | 1.19 in (1996) |
| May 18 | 90.0°F (1911) | 32.0°F (1925) | 2.28 in (1986) |
| May 19 | 91.0°F (1911) | 34.0°F (2002) | 1.98 in (1987) |
| May 20 | 90.0°F (1998) | 35.1°F (1924) | 1.51 in (1996) |
| May 21 | 91.0°F (1921) | 28.9°F (2002) | 1.23 in (1915) |
| May 22 | 91.9°F (1925) | 5.0°F (1987) | 1.98 in (1974) |
| May 23 | 91.9°F (1921) | 30.9°F (1917) | 1.23 in (1929) |
| May 24 | 91.9°F (1921) | 34.0°F (2013) | 1.10 in (1995) |
| May 25 | 93.0°F (1911) | 30.9°F (1925) | 3.84 in (1922) |
| May 26 | 93.9°F (1911) | 32.0°F (1925) | 2.10 in (1913) |
| May 27 | 93.0°F (1911) | 30.9°F (1992) | 1.28 in (2009) |
| May 28 | 97.0°F (2018) | 35.1°F (1992) | 1.59 in (1914) |
| May 29 | 93.9°F (2018) | 37.0°F (2021) | 1.35 in (1996) |
| May 30 | 91.9°F (1919) | 35.1°F (1924) | 2.18 in (2011) |
| May 31 | 91.0°F (1925) | 37.9°F (1990) | 2.70 in (2018) |