April in Salo averages a daily high of 9.9°C with nights around -0.3°C. Expect roughly 8.3 wet days totalling 31mm. Demanding conditions — pack for it and plan indoor options.
Across the year, the best time to visit Salo is June–August.
Based on SALO KARKKA, FI (1.5km), 1995–2024. 30 years of April data.