May in Stavanger averages a daily high of 14.8°C with nights around 7.2°C. Expect roughly 13.7 wet days totalling 83.2mm. 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. 16 years of May data.