May weather in Forsyth, IL
The average temperature in Forsyth in May is 63.7°F (53.8°F–73.5°F). Average precipitation: 4.95 inches.
May is a spring month in Forsyth, and is warmer than the annual average of 53°F. Daily temperatures swing about 19.7°F between overnight low and afternoon high. Expect about 13 days with precipitation. Daylight averages about 14h 12m. For travel, May is a comfortable month to visit.
Avg High
73.5°F
Avg Low
53.8°F
Precipitation
4.95 in
Daylight
14h 12m
May records in Forsyth
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 91.9°F (1895) | 26.1°F (1903) | 1.75 in (1946) |
| May 2 | 91.0°F (1901) | 30.0°F (1966) | 3.31 in (1983) |
| May 3 | 93.9°F (1895) | 30.0°F (1967) | 2.47 in (1997) |
| May 4 | 91.9°F (1952) | 30.9°F (1907) | 2.25 in (1908) |
| May 5 | 93.9°F (1895) | 32.0°F (1917) | 2.07 in (1977) |
| May 6 | 91.0°F (1949) | 28.0°F (1944) | 1.82 in (1977) |
| May 7 | 90.0°F (1895) | 27.0°F (1989) | 1.92 in (1943) |
| May 8 | 93.9°F (1895) | 33.1°F (1923) | 2.15 in (1961) |
| May 9 | 97.0°F (1895) | 28.9°F (1980) | 2.95 in (1996) |
| May 10 | 93.9°F (1895) | 27.0°F (1966) | 1.85 in (2003) |
| May 11 | 95.0°F (2022) | 30.9°F (1907) | 1.76 in (1926) |
| May 12 | 91.9°F (2022) | 30.0°F (1981) | 3.78 in (2002) |
| May 13 | 91.0°F (1894) | 32.0°F (1960) | 1.90 in (1920) |
| May 14 | 93.0°F (1987) | 25.0°F (1895) | 2.03 in (2011) |
| May 15 | 93.9°F (1894) | 35.1°F (1973) | 1.54 in (1923) |
| May 16 | 91.9°F (1894) | 33.1°F (1895) | 2.73 in (1990) |
| May 17 | 91.9°F (1987) | 35.1°F (1895) | 3.33 in (1943) |
| May 18 | 93.0°F (1962) | 34.0°F (2002) | 2.10 in (1943) |
| May 19 | 93.0°F (1987) | 33.1°F (1894) | 4.22 in (1974) |
| May 20 | 95.0°F (1987) | 34.0°F (1894) | 1.53 in (2025) |
| May 21 | 96.1°F (1925) | 30.9°F (1895) | 2.92 in (1911) |
| May 22 | 97.0°F (1925) | 33.1°F (1895) | 1.64 in (1933) |
| May 23 | 96.1°F (1921) | 35.1°F (1961) | 3.21 in (1968) |
| May 24 | 96.1°F (1921) | 37.9°F (1925) | 1.92 in (1968) |
| May 25 | 95.0°F (1926) | 28.9°F (1925) | 2.07 in (2011) |
| May 26 | 93.9°F (1911) | 30.9°F (1979) | 2.13 in (1915) |
| May 27 | 96.1°F (1911) | 34.0°F (1961) | 2.32 in (1996) |
| May 28 | 96.1°F (2018) | 36.0°F (1907) | 2.29 in (1955) |
| May 29 | 96.1°F (1934) | 36.0°F (1897) | 1.25 in (1924) |
| May 30 | 98.1°F (1934) | 36.0°F (1924) | 1.39 in (1967) |
| May 31 | 100.9°F (1934) | 35.1°F (1897) | 1.76 in (1899) |