July in Tønsberg averages a daily high of 22.2°C with nights around 12.9°C. Expect roughly 14.4 wet days totalling 92.3mm. 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 July data.