May weather in Viola, IL
The average temperature in Viola in May is 61.2°F (49.7°F–72.7°F). Average precipitation: 5.06 inches.
May is a spring month in Viola, and is warmer than the annual average of 50°F. Daily temperatures swing about 23°F between overnight low and afternoon high. Expect about 12 days with precipitation. Daylight averages about 14h 19m. For travel, May is a wet month.
Avg High
72.7°F
Avg Low
49.7°F
Precipitation
5.06 in
Daylight
14h 19m
May records in Viola
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 91.0°F (1952) | 28.9°F (1903) | 4.80 in (2003) |
| May 2 | 89.1°F (1959) | 26.1°F (2005) | 1.58 in (1910) |
| May 3 | 89.1°F (1959) | 26.1°F (2005) | 2.25 in (1919) |
| May 4 | 93.0°F (1952) | 27.0°F (1907) | 2.00 in (2001) |
| May 5 | 91.0°F (1934) | 30.0°F (1910) | 2.10 in (2003) |
| May 6 | 93.9°F (1934) | 30.0°F (2011) | 1.64 in (1902) |
| May 7 | 89.1°F (1934) | 30.0°F (1931) | 2.15 in (1945) |
| May 8 | 91.0°F (1963) | 32.0°F (1923) | 1.70 in (1995) |
| May 9 | 93.0°F (1934) | 28.9°F (1966) | 1.82 in (2021) |
| May 10 | 89.1°F (1934) | 28.9°F (1966) | 2.65 in (1951) |
| May 11 | 91.0°F (1956) | 28.0°F (1907) | 1.88 in (2008) |
| May 12 | 95.0°F (2022) | 33.1°F (1928) | 2.60 in (2002) |
| May 13 | 95.0°F (2022) | 36.0°F (1920) | 2.00 in (2010) |
| May 14 | 93.0°F (2022) | 30.0°F (1920) | 1.66 in (1945) |
| May 15 | 91.9°F (2013) | 35.1°F (1904) | 1.38 in (2020) |
| May 16 | 90.0°F (1962) | 30.0°F (1929) | 1.95 in (2009) |
| May 17 | 89.1°F (1944) | 32.0°F (1997) | 3.50 in (1938) |
| May 18 | 91.9°F (1964) | 34.0°F (1916) | 1.64 in (1927) |
| May 19 | 91.9°F (1975) | 33.1°F (1929) | 2.75 in (1931) |
| May 20 | 91.0°F (1941) | 33.1°F (1929) | 1.86 in (2025) |
| May 21 | 93.0°F (1955) | 34.0°F (2002) | 1.80 in (2001) |
| May 22 | 95.0°F (1925) | 34.0°F (1961) | 0.84 in (1903) |
| May 23 | 91.9°F (1921) | 32.0°F (1917) | 2.39 in (1907) |
| May 24 | 93.9°F (1926) | 37.0°F (1924) | 2.65 in (1918) |
| May 25 | 93.0°F (1926) | 28.0°F (1925) | 1.81 in (1909) |
| May 26 | 95.0°F (1926) | 33.1°F (1925) | 1.88 in (1933) |
| May 27 | 91.9°F (2018) | 35.1°F (1907) | 2.61 in (2013) |
| May 28 | 96.1°F (2018) | 37.9°F (1906) | 1.93 in (1908) |
| May 29 | 100.0°F (1934) | 35.1°F (1965) | 2.49 in (2019) |
| May 30 | 98.1°F (1934) | 36.0°F (1930) | 1.59 in (1959) |
| May 31 | 102.9°F (1934) | 39.9°F (1972) | 2.00 in (2000) |