August in Uppsala averages a daily high of 22.3°C with nights around 12.4°C. Expect roughly 12.2 wet days totalling 76.7mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Uppsala is May–September.
Based on UPPSALA AUT, SW (0.5km), 1995–2024. 30 years of August data.