San Rafael

What is the climate like in San Rafael?

The best time to visit San Rafael is typically February – May, with trip comfort peaking in April (7.1/10). San Rafael is warmest in August, when daily highs average 87°F (31°C), and coolest in January, when lows fall to about 66°F (19°C). The wettest month is typically October and the driest is April; the year sees roughly 54 in (1384 mm) of precipitation.

• Best time to visitFebruary – May — comfort peaks in April (7.1/10)
• Warmest monthAugust — average high 87°F (31°C)
• Coolest monthJanuary — average low 66°F (19°C)
• Wettest monthOctober (10 in (259 mm))
• Driest monthApril (2.2 in (57 mm))
• Annual precipitation54 in (1384 mm)
• Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
• Records fromSan Rafael, 1 km away (1963-1988)