January in Chinatown averages a daily high of 14.6°C with nights around 8.5°C. Expect roughly 11.4 wet days totalling 114.8mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Chinatown is June–October.
Based on SAN FRANCISCO DOWNTOWN, CA US (3.3km), 1995–2024. 30 years of January data.