May weather in Port Washington, WI
The average temperature in Port Washington in May is 53.0°F (44.8°F–61.3°F). Average precipitation: 3.90 inches.
May is a spring month in Port Washington, and is warmer than the annual average of 46.7°F. Daily temperatures swing about 16.5°F between overnight low and afternoon high. Expect about 11 days with precipitation. Daylight averages about 14h 30m. For travel, May is a comfortable month to visit.
Avg High
61.3°F
Avg Low
44.8°F
Precipitation
3.90 in
Daylight
14h 30m
May records in Port Washington
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 86.0°F (1992) | 28.0°F (1920) | 2.00 in (1940) |
| May 2 | 89.1°F (1901) | 14.0°F (1918) | 1.08 in (1953) |
| May 3 | 89.1°F (1928) | 28.0°F (2004) | 0.80 in (1902) |
| May 4 | 86.0°F (1980) | 24.1°F (1900) | 1.10 in (1990) |
| May 5 | 84.9°F (1980) | 25.0°F (1983) | 1.13 in (2003) |
| May 6 | 84.0°F (1918) | 28.9°F (1976) | 1.70 in (1960) |
| May 7 | 81.0°F (1963) | 25.0°F (1972) | 1.27 in (1978) |
| May 8 | 86.0°F (1963) | 28.9°F (1902) | 1.35 in (1924) |
| May 9 | 88.0°F (1896) | 25.0°F (1966) | 1.75 in (1905) |
| May 10 | 88.0°F (1896) | 23.0°F (1966) | 1.35 in (1916) |
| May 11 | 84.0°F (1987) | 30.9°F (1925) | 1.35 in (1942) |
| May 12 | 90.0°F (1900) | 30.9°F (1928) | 2.05 in (1902) |
| May 13 | 90.0°F (1900) | 26.1°F (1923) | 3.12 in (1978) |
| May 14 | 84.9°F (1900) | 28.9°F (1904) | 1.55 in (1908) |
| May 15 | 90.0°F (2007) | 27.0°F (1920) | 1.24 in (1909) |
| May 16 | 82.9°F (1926) | 28.0°F (1920) | 2.40 in (1974) |
| May 17 | 89.1°F (1911) | 28.9°F (1983) | 1.95 in (2000) |
| May 18 | 90.0°F (1996) | 28.9°F (2002) | 1.25 in (2000) |
| May 19 | 87.1°F (1996) | 28.9°F (1895) | 1.30 in (1990) |
| May 20 | 89.1°F (1972) | 30.0°F (1924) | 1.13 in (2004) |
| May 21 | 89.1°F (1970) | 32.0°F (2002) | 1.32 in (1912) |
| May 22 | 91.0°F (1921) | 18.0°F (1897) | 1.75 in (2004) |
| May 23 | 91.0°F (1921) | 30.9°F (1917) | 1.15 in (1966) |
| May 24 | 84.0°F (1991) | 30.9°F (1897) | 2.30 in (1914) |
| May 25 | 95.0°F (1911) | 17.1°F (1904) | 1.40 in (1984) |
| May 26 | 91.9°F (1914) | 30.9°F (1925) | 1.62 in (1922) |
| May 27 | 91.9°F (1911) | 30.0°F (1961) | 1.92 in (1896) |
| May 28 | 90.0°F (1969) | 36.0°F (1894) | 1.90 in (1915) |
| May 29 | 91.9°F (1895) | 30.9°F (1897) | 1.20 in (1913) |
| May 30 | 88.0°F (1987) | 30.9°F (1897) | 2.95 in (1989) |
| May 31 | 91.0°F (1925) | 34.0°F (1897) | 1.98 in (2004) |