February in San Francisco averages a daily high of 15.9°C with nights around 8.9°C. Expect roughly 10.1 wet days totalling 104.3mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit San Francisco is June–October.
Based on SAN FRANCISCO DOWNTOWN, CA US (0.8km), 1995–2024. 30 years of February data.