April in Angarsk averages a daily high of 10.5°C with nights around -1.9°C. Expect roughly 7.2 wet days totalling 23.5mm. Demanding conditions — pack for it and plan indoor options.
Across the year, the best time to visit Angarsk is May–August.
Based on IRKUTSK, RS (44km), 1995–2024. 28 years of April data.