Climate almanac
Port Washington
Wisconsin, United States · 43.39°, -87.88°
What is the climate like in Port Washington?
The best time to visit Port Washington is typically June – September, with trip comfort peaking in September (6.9/10). Port Washington is warmest in July, when daily highs average 77°F (25°C), and coolest in January, when lows fall to about 19°F (-7°C). The wettest month is typically April and the driest is February; the year sees roughly 37 in (935 mm) of precipitation.
- Best time to visitJune – September — comfort peaks in September (6.9/10)
- Warmest monthJuly — average high 77°F (25°C)
- Coolest monthJanuary — average low 19°F (-7°C)
- Wettest monthApril (4.1 in (103 mm))
- Driest monthFebruary (1.8 in (45 mm))
- Annual precipitation37 in (935 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
- Records fromSaukville Wwtp, 5 km away (2009-2026)