January in Salem averages a daily high of 8.9°C with nights around 2.1°C. Expect roughly 18.9 wet days totalling 163.2mm. A hard month to visit for comfort alone.
Across the year, the best time to visit Salem is June–September.
Based on SALEM AIRPORT MCNARY FIELD, OR US (5km), 1995–2024. 30 years of January data.