San Rafael
California, USA
Long-term weather forecast
Long-term weather forecast

August weather forecast and climate
San Rafael, CA

August, the last month of the summer, in San Rafael, is also a moderately hot month, with average temperature varying between 80.1°F (26.7°C) and 55°F (12.8°C).

Temperature

July and August, with an average high-temperature of 80.1°F (26.7°C), are the warmest months.

Rainfall

Months with rainfall are January through June, August through December. 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. In San Rafael, during the entire year, the rain falls for 64.3 days and collects up to 32.2" (817.2mm) of precipitation.

Daylight

In August, the average length of the day is 13.6h.

What is the warmest month in San Rafael?

Warmest months 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, 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. Throughout August, in the average 0.1 rainfall days, it receives 0.1" (1.3mm) of precipitation.

What is the average length of the day in August in San Rafael?

In August, the average length of the day in San Rafael is 13.6h.
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).