Climate almanac
San Rafael
California, US · 37.97°, -122.53°
What is the climate like in San Rafael?
San Rafael is warmest in September, when daily highs average 75°F (24°C), and coolest in December, when lows fall to about 45°F (7°C). The wettest month is typically January and the driest is August; the year sees roughly 23 in of precipitation.
- Warmest monthSeptember — average high 75°F (24°C)
- Coolest monthDecember — average low 45°F (7°C)
- Wettest monthJanuary (5.0 in)
- Driest monthAugust (0.1 in)
- Annual precipitation23 in