May in Borås averages a daily high of 16.6°C with nights around 5.7°C. Expect roughly 12.9 wet days totalling 67.4mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Borås is June–August.
Based on BORAS, SW (4.4km), 1995–2024. 30 years of May data.