San Francisco

What is the climate like in San Francisco?

The best time to visit San Francisco is typically May – January, with trip comfort peaking in September (8.4/10). San Francisco is warmest in January, when daily highs average 88°F (31°C), and coolest in July, when lows fall to about 44°F (7°C). The wettest month is typically January and the driest is June; the year sees roughly 31 in (794 mm) of precipitation.

• Best time to visitMay – January — comfort peaks in September (8.4/10)
• Warmest monthJanuary — average high 88°F (31°C)
• Coolest monthJuly — average low 44°F (7°C)
• Wettest monthJanuary (4.0 in (103 mm))
• Driest monthJune (0.7 in (17 mm))
• Annual precipitation31 in (794 mm)
• Based on2016-2025 daily ERA5 reanalysis data (10-year normals)