May weather in Mount Vernon, IN
The average temperature in Mount Vernon in May is 65.6°F (54.4°F–76.7°F). Average precipitation: 4.98 inches.
May is a spring month in Mount Vernon, and is warmer than the annual average of 56°F. Daily temperatures swing about 22.3°F between overnight low and afternoon high. Expect about 11 days with precipitation. Daylight averages about 14h 3m. For travel, May is a comfortable month to visit.
Avg High
76.7°F
Avg Low
54.4°F
Precipitation
4.98 in
Daylight
14h 3m
May records in Mount Vernon
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 89.1°F (1895) | 30.9°F (1903) | 2.52 in (1911) |
| May 2 | 93.0°F (1901) | 32.0°F (1903) | 3.00 in (2011) |
| May 3 | 93.9°F (1901) | 35.1°F (1976) | 2.04 in (1958) |
| May 4 | 91.9°F (1901) | 34.0°F (1926) | 2.10 in (1977) |
| May 5 | 93.9°F (1902) | 35.1°F (1903) | 1.95 in (2017) |
| May 6 | 93.9°F (1959) | 37.0°F (1944) | 3.12 in (1961) |
| May 7 | 89.1°F (1949) | 35.1°F (1944) | 2.59 in (1956) |
| May 8 | 95.0°F (1896) | 36.0°F (1923) | 4.84 in (1961) |
| May 9 | 91.0°F (1896) | 35.1°F (1960) | 2.38 in (1961) |
| May 10 | 93.9°F (1896) | 30.9°F (1966) | 3.09 in (1950) |
| May 11 | 93.9°F (1896) | 32.0°F (1907) | 3.31 in (1943) |
| May 12 | 93.9°F (1902) | 37.0°F (1960) | 3.06 in (1918) |
| May 13 | 93.0°F (1915) | 37.9°F (1923) | 1.32 in (1948) |
| May 14 | 95.0°F (1902) | 36.0°F (1895) | 3.16 in (1995) |
| May 15 | 91.9°F (1900) | 37.9°F (1920) | 2.10 in (1923) |
| May 16 | 93.9°F (1900) | 39.0°F (1959) | 2.06 in (1986) |
| May 17 | 96.1°F (1900) | 41.0°F (1973) | 3.42 in (1995) |
| May 18 | 95.0°F (1962) | 43.0°F (1976) | 2.13 in (1928) |
| May 19 | 93.9°F (1962) | 39.9°F (1894) | 1.91 in (1981) |
| May 20 | 96.1°F (1902) | 39.0°F (1894) | 1.52 in (1915) |
| May 21 | 98.1°F (1908) | 39.9°F (1894) | 0.96 in (2013) |
| May 22 | 95.0°F (1902) | 39.0°F (2003) | 4.22 in (1957) |
| May 23 | 93.9°F (1908) | 39.0°F (1926) | 2.81 in (1957) |
| May 24 | 96.1°F (1908) | 41.0°F (1926) | 1.65 in (1992) |
| May 25 | 95.0°F (1921) | 34.0°F (1925) | 1.43 in (2004) |
| May 26 | 95.0°F (1914) | 37.9°F (1979) | 1.42 in (1996) |
| May 27 | 95.0°F (1911) | 35.1°F (1961) | 2.92 in (1981) |
| May 28 | 96.1°F (1911) | 39.0°F (1902) | 1.84 in (1990) |
| May 29 | 93.9°F (1926) | 39.9°F (1907) | 3.05 in (1938) |
| May 30 | 96.1°F (1913) | 43.0°F (1966) | 1.67 in (2025) |
| May 31 | 96.1°F (1914) | 39.9°F (1894) | 3.15 in (1997) |