July in Appleton averages a daily high of 27.6°C with nights around 16.1°C. Expect roughly 10.7 wet days totalling 93mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Appleton is May–September.
Based on APPLETON, WI US (2.4km), 1995–2024. 30 years of July data.