July in Mikkeli averages a daily high of 22.6°C with nights around 11.5°C. Expect roughly 13.1 wet days totalling 73.2mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Mikkeli is June–August.
Based on MIKKELI LENTOASEMA, FI (3.3km), 1995–2024. 30 years of July data.