May weather in Heyworth, IL
The average temperature in Heyworth in May is °F (°F–°F). Average precipitation: 4.86 inches.
May is a spring month in Heyworth, and is cooler than the annual average of 0°F. Expect about 13 days with precipitation. Daylight averages about 14h 14m.
Avg High
°F
Avg Low
°F
Precipitation
4.86 in
Daylight
14h 14m
May records in Heyworth
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 82.0°F (1923) | 28.9°F (1918) | 3.23 in (2019) |
| May 2 | 84.0°F (1928) | 30.0°F (1911) | 2.00 in (1935) |
| May 3 | 87.1°F (1928) | 32.0°F (1911) | 0.90 in (1948) |
| May 4 | 82.9°F (1918) | 30.0°F (1910) | 1.20 in (1990) |
| May 5 | 87.1°F (1924) | 30.9°F (1917) | 3.10 in (1991) |
| May 6 | 90.0°F (1934) | 33.1°F (1925) | 1.36 in (1981) |
| May 7 | 86.0°F (1934) | 30.9°F (1917) | 1.80 in (1943) |
| May 8 | 86.0°F (1930) | 33.1°F (1923) | 14.25 in (1961) |
| May 9 | 93.0°F (1934) | 34.0°F (1923) | 1.75 in (1935) |
| May 10 | 93.0°F (1928) | 27.0°F (1923) | 2.25 in (2016) |
| May 11 | 84.9°F (1914) | 32.0°F (1913) | 1.78 in (2008) |
| May 12 | 84.0°F (1915) | 34.0°F (1917) | 3.30 in (1923) |
| May 13 | 89.1°F (1915) | 36.0°F (1917) | 1.75 in (1935) |
| May 14 | 90.0°F (1932) | 33.1°F (1920) | 1.10 in (1941) |
| May 15 | 89.1°F (1932) | 32.0°F (1920) | 1.60 in (1923) |
| May 16 | 88.0°F (1911) | 30.0°F (1921) | 2.05 in (2018) |
| May 17 | 90.0°F (1911) | 37.0°F (1932) | 3.67 in (1995) |
| May 18 | 90.0°F (1911) | 36.0°F (1916) | 2.90 in (1929) |
| May 19 | 89.1°F (1934) | 33.1°F (1929) | 1.75 in (1931) |
| May 20 | 91.0°F (1934) | 39.9°F (1929) | 1.24 in (1918) |
| May 21 | 95.0°F (1934) | 32.0°F (1929) | 0.96 in (1966) |
| May 22 | 95.0°F (1925) | 35.1°F (1924) | 1.35 in (1917) |
| May 23 | 93.0°F (1925) | 34.0°F (1931) | 1.81 in (1938) |
| May 24 | 93.9°F (1926) | 37.0°F (1925) | 2.00 in (1968) |
| May 25 | 91.9°F (1911) | 28.0°F (1925) | 2.38 in (2004) |
| May 26 | 93.9°F (1911) | 32.0°F (1925) | 1.90 in (1922) |
| May 27 | 93.0°F (1914) | 39.0°F (1910) | 1.32 in (1996) |
| May 28 | 93.9°F (1911) | 39.9°F (1928) | 1.60 in (1967) |
| May 29 | 93.9°F (1934) | 35.1°F (1930) | 0.88 in (2019) |
| May 30 | 95.0°F (1934) | 37.0°F (1924) | 1.05 in (1917) |
| May 31 | 98.1°F (1934) | 36.0°F (1930) | 1.70 in (1947) |