August in Stavanger averages a daily high of 19.2°C with nights around 12.5°C. Expect roughly 18.3 wet days totalling 149.9mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Stavanger is June–August.
Based on STAVANGER VALAND, NO (1.5km), 1995–2024. 17 years of August data.