April in Boli averages a daily high of 13.4°C with nights around 1°C. Expect roughly 7 wet days totalling 25.6mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Boli is August–September.
Based on JIXI, CH (59.5km), 1995–2024. 25 years of April data.