May weather in Winona, MN
The average temperature in Winona in May is 61.3°F (50.8°F–71.8°F). Average precipitation: inches.
May is a spring month in Winona, and is warmer than the annual average of 48.8°F. Daily temperatures swing about 21°F between overnight low and afternoon high. Daylight averages about 14h 34m. For travel, May is one of the best months of the year to visit.
Avg High
71.8°F
Avg Low
50.8°F
Precipitation
in
Daylight
14h 34m
May records in Winona
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 91.9°F (1952) | 21.0°F (1956) | 3.83 in (1936) |
| May 2 | 89.1°F (1951) | 28.0°F (1925) | 2.54 in (2001) |
| May 3 | 93.9°F (1959) | 26.1°F (1967) | 1.16 in (1942) |
| May 4 | 95.0°F (1949) | 27.0°F (1907) | 1.30 in (1895) |
| May 5 | 91.9°F (1909) | 30.0°F (1989) | 1.20 in (1991) |
| May 6 | 95.0°F (1934) | 26.1°F (1974) | 1.27 in (1942) |
| May 7 | 90.0°F (1934) | 28.0°F (1925) | 1.70 in (1998) |
| May 8 | 88.0°F (1928) | 30.0°F (1925) | 1.52 in (2004) |
| May 9 | 93.9°F (1987) | 26.1°F (1966) | 1.45 in (1990) |
| May 10 | 91.9°F (1911) | 27.0°F (1966) | 1.64 in (1905) |
| May 11 | 89.1°F (1922) | 28.0°F (1925) | 1.35 in (1967) |
| May 12 | 93.9°F (1940) | 30.9°F (1969) | 1.85 in (1903) |
| May 13 | 91.0°F (1932) | 30.0°F (1918) | 1.50 in (1896) |
| May 14 | 93.0°F (1932) | 32.0°F (1920) | 3.00 in (1905) |
| May 15 | 91.9°F (2001) | 30.0°F (1973) | 1.20 in (1991) |
| May 16 | 91.0°F (1936) | 28.0°F (1921) | 1.50 in (1991) |
| May 17 | 93.0°F (1934) | 28.9°F (1925) | 1.63 in (1977) |
| May 18 | 91.9°F (1911) | 32.0°F (1915) | 1.59 in (2000) |
| May 19 | 98.1°F (1934) | 33.1°F (1929) | 1.35 in (1940) |
| May 20 | 95.0°F (1934) | 34.0°F (1907) | 1.84 in (1912) |
| May 21 | 90.0°F (1948) | 34.0°F (1979) | 2.08 in (1902) |
| May 22 | 99.0°F (1925) | 34.0°F (1967) | 1.70 in (1945) |
| May 23 | 95.0°F (1925) | 30.9°F (1963) | 1.49 in (1912) |
| May 24 | 95.0°F (1928) | 34.0°F (1917) | 2.30 in (1989) |
| May 25 | 93.0°F (1911) | 30.9°F (1925) | 2.03 in (1903) |
| May 26 | 93.9°F (1911) | 33.1°F (1925) | 1.11 in (1965) |
| May 27 | 95.0°F (1967) | 34.0°F (1971) | 1.81 in (1955) |
| May 28 | 93.0°F (1934) | 34.0°F (1932) | 2.53 in (1956) |
| May 29 | 96.1°F (1934) | 30.9°F (1965) | 3.11 in (1942) |
| May 30 | 98.1°F (1934) | 30.9°F (1965) | 1.90 in (1980) |
| May 31 | 107.1°F (1934) | 35.1°F (1972) | 2.03 in (1982) |