May weather in Winter, WI
The average temperature in Winter in May is 53.5°F (41.9°F–65.0°F). Average precipitation: 3.78 inches.
May is a spring month in Winter, and is warmer than the annual average of 40.9°F. Daily temperatures swing about 23.1°F between overnight low and afternoon high. Expect about 12 days with precipitation. Daylight averages about 14h 44m. For travel, May is a comfortable month to visit.
Avg High
65.0°F
Avg Low
41.9°F
Precipitation
3.78 in
Snow
0.1 in
May records in Winter
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 84.9°F (1952) | 17.1°F (1978) | 2.83 in (1954) |
| May 2 | 84.9°F (1952) | 18.0°F (1990) | 1.58 in (1993) |
| May 3 | 90.0°F (1959) | 19.0°F (1967) | 0.89 in (2008) |
| May 4 | 90.0°F (1949) | 19.9°F (1935) | 2.26 in (1949) |
| May 5 | 89.1°F (1949) | 19.9°F (1967) | 1.19 in (1938) |
| May 6 | 84.0°F (1918) | 19.9°F (1958) | 2.23 in (1915) |
| May 7 | 88.0°F (2016) | 12.0°F (2000) | 1.30 in (2002) |
| May 8 | 87.1°F (1988) | 18.0°F (1948) | 1.00 in (1924) |
| May 9 | 87.1°F (1926) | 15.1°F (1966) | 1.61 in (2014) |
| May 10 | 88.0°F (1934) | 14.0°F (1966) | 1.94 in (2006) |
| May 11 | 86.0°F (1922) | 19.9°F (1966) | 1.10 in (2003) |
| May 12 | 84.9°F (1922) | 21.0°F (1967) | 1.88 in (1944) |
| May 13 | 84.9°F (1991) | 19.9°F (1943) | 0.68 in (1962) |
| May 14 | 87.1°F (1998) | 19.9°F (1920) | 1.51 in (1961) |
| May 15 | 90.0°F (1932) | 19.9°F (1959) | 1.22 in (1915) |
| May 16 | 91.9°F (1931) | 19.9°F (1921) | 1.82 in (1951) |
| May 17 | 87.1°F (1936) | 19.0°F (1925) | 1.42 in (2017) |
| May 18 | 87.1°F (1998) | 23.0°F (1925) | 2.40 in (2017) |
| May 19 | 86.0°F (1972) | 19.0°F (1929) | 2.70 in (1996) |
| May 20 | 86.0°F (1921) | 24.1°F (1929) | 1.62 in (2013) |
| May 21 | 87.1°F (2009) | 27.0°F (1969) | 3.19 in (1953) |
| May 22 | 87.1°F (1921) | 26.1°F (1967) | 1.09 in (1977) |
| May 23 | 89.1°F (1964) | 21.0°F (1931) | 1.19 in (2011) |
| May 24 | 84.9°F (1950) | 21.9°F (1917) | 1.89 in (1971) |
| May 25 | 90.0°F (2010) | 19.9°F (1934) | 1.85 in (2012) |
| May 26 | 89.1°F (2010) | 23.0°F (1949) | 1.31 in (2016) |
| May 27 | 89.1°F (2018) | 26.1°F (1994) | 2.56 in (1959) |
| May 28 | 91.9°F (1919) | 24.1°F (1932) | 1.87 in (1995) |
| May 29 | 91.0°F (1919) | 25.0°F (1965) | 1.55 in (1991) |
| May 30 | 90.0°F (2006) | 24.1°F (1930) | 1.70 in (1942) |
| May 31 | 89.1°F (1939) | 28.0°F (1931) | 1.44 in (1970) |