August weather forecast and climate
San Rafael, CA

What are the warmest months in San Rafael?

Warmest months in San Rafael, California, are July and August, with an average high-temperature of 80.1°F (26.7°C).

What is the temperature in August in San Rafael?

The average high-temperature, in August, in San Rafael, California, is 80.1°F (26.7°C), while the average low-temperature is 55°F (12.8°C).

When does it start raining in San Rafael?

August is the first month it rains in San Rafael. Throughout August, in the average 0.1 rainfall days, it receives 0.1" (1.3mm) of precipitation.
Average temperature in August - San Rafael, CA
  • Average high temperature in August: 80°F

Warmest months (with the highest average high temperature) are July and August (80°F).
Months with the lowest average high temperature are January and December (55°F).

  • Average low temperature in August: 55°F

Months with the highest average low temperature are July and August (55°F).
The coldest month (with the lowest average low temperature) is December (41°F).

Average rainfall in August - San Rafael, CA
  • Average rainfall in August: 0.1"

The wettest month (with the highest rainfall) is February (7.9").
The driest month (with the lowest rainfall) is July (0").

Average rainfall days in August - San Rafael, CA
  • Average rainfall days in August: 0.1 days

The month with the highest number of rainy days is January (12.2 days).
The month with the lowest number of rainy days is July (0 days).

Average daylight in August - San Rafael, CA
  • Average daylight in August: 13.6h

The month with the longest days is June (Average daylight: 14.8h).
The month with shortest days is December (Average daylight: 9.6h).

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