May in Eskilstuna averages a daily high of 17.1°C with nights around 4.6°C. Expect roughly 10.3 wet days totalling 40.9mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Eskilstuna is June–September.
Based on ESKILSTUNA MO, SW (3.6km), 1995–2024. 26 years of May data.