January in West Sacramento averages a daily high of 13.6°C with nights around 4.2°C. Expect roughly 10.2 wet days totalling 91.9mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit West Sacramento is April–May.
Based on SACRAMENTO AIRPORT ASOS, CA US (8.7km), 1995–2024. 30 years of January data.