Climate almanac
Pewaukee
Wisconsin, United States · 43.08°, -88.26°
What is the climate like in Pewaukee?
The best time to visit Pewaukee is typically June – September, with trip comfort peaking in August (6.8/10). Pewaukee is warmest in July, when daily highs average 83°F (28°C), and coolest in January, when lows fall to about 18°F (-8°C). The wettest month is typically May and the driest is February; the year sees roughly 37 in (943 mm) of precipitation.
- Best time to visitJune – September — comfort peaks in August (6.8/10)
- Warmest monthJuly — average high 83°F (28°C)
- Coolest monthJanuary — average low 18°F (-8°C)
- Wettest monthMay (4.2 in (106 mm))
- Driest monthFebruary (1.7 in (44 mm))
- Annual precipitation37 in (943 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
- Records fromWaukesha Wwtp, 9 km away (1894-2026)