June in Tønsberg averages a daily high of 20.5°C with nights around 10.7°C. Expect roughly 13.7 wet days totalling 79mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Tønsberg is June–September.
Based on MELSOM, NO (5.4km), 1995–2024. 23 years of June data.