May in Tikhvin averages a daily high of 17.3°C with nights around 4.4°C. Expect roughly 12.6 wet days totalling 55.3mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Tikhvin is May–August.
Based on TIHVIN, RS (7.9km), 1995–2024. 30 years of May data.