August in Ålesund averages a daily high of 17.1°C with nights around 12.1°C. Expect roughly 18 wet days totalling 130.5mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Ålesund is June–September.
Based on VIGRA, NO (10.2km), 1995–2024. 30 years of August data.