August in Sollentuna averages a daily high of 22.1°C with nights around 12.8°C. Expect roughly 6 wet days totalling 31.5mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Sollentuna is June–August.
Based on STOCKHOLM BROMMA, SW (8.3km), 1995–2024. 30 years of August data.