January in Burien averages a daily high of 8.4°C with nights around 3°C. Expect roughly 19.2 wet days totalling 152.3mm. A hard month to visit for comfort alone.
Across the year, the best time to visit Burien is July–August.
Based on SEATTLE TACOMA AIRPORT, WA US (3.8km), 1995–2024. 30 years of January data.