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

Monthly weather forecast and climate
San Rafael, CA

January, like December, in San Rafael, California, is a cool winter month, with average temperature varying between 42.1°F (5.6°C) and 55°F (12.8°C). The coldest months are January and December, with an average high-temperature of 55°F (12.8°C). Weather in January »
February, the last month of the winter, in San Rafael, is a mild month, with temperature in the range of an average low of 44.1°F (6.7°C) and an average high of 60.1°F (15.6°C). In San Rafael, the average high-temperature is essentially the same as in January - a moderate 60.1°F (15.6°C). Weather in February »

The first month of the spring, March, is an enjoyable month in San Rafael, California, with average temperature varying between 45°F (7.2°C) and 64°F (17.8°C). In San Rafael, the average high-temperature is almost the same as in February - an enjoyable 64°F (17.8°C). Weather in March »

April, like March, in San Rafael, California, is another comfortable spring month, with average temperature fluctuating between 66.9°F (19.4°C) and 46.9°F (8.3°C). In San Rafael, the average high-temperature in April is relatively the same as in March - a still comfortable 66.9°F (19.4°C). Weather in April »

The last month of the spring, May, is a pleasant month in San Rafael, California, with temperature in the range of an average low of 50°F (10°C) and an average high of 71.1°F (21.7°C). In San Rafael, the average high-temperature in May is almost the same as in April - an agreeable 71.1°F (21.7°C). Weather in May »

June, the first month of the summer, in San Rafael, is a moderately hot month, with temperature in the range of an average high of 77°F (25°C) and an average low of 53.1°F (11.7°C). In San Rafael, the average high-temperature in June marginally rises, from a pleasant 71.1°F (21.7°C) in May, to a moderately hot 77°F (25°C). Weather in June »

July, like June, in San Rafael, California, is another warm summer month, with average temperature ranging between max 80.1°F (26.7°C) and min 55°F (12.8°C). July and August, with an average high-temperature of 80.1°F (26.7°C), are the warmest months. Weather in July »

The last month of the summer, August, is another warm month in San Rafael, California, with average temperature fluctuating between 55°F (12.8°C) and 80.1°F (26.7°C). The warmest months are July and August, with an average high-temperature of 80.1°F (26.7°C). Weather in August »

September, the first month of the autumn, in San Rafael, is still a warm month, with temperature in the range of an average low of 54°F (12.2°C) and an average high of 79°F (26.1°C). In San Rafael, the average high-temperature is practically the same as in August - a still warm 79°F (26.1°C). Weather in September »

October, like September, is another pleasant autumn month in San Rafael, California, with temperature in the range of an average high of 73°F (22.8°C) and an average low of 51.1°F (10.6°C). In October, the average high-temperature slightly decreases, from a warm 79°F (26.1°C) in September, to an agreeable 73°F (22.8°C). Weather in October »

The last month of the autumn, November, is another comfortable month in San Rafael, California, with average temperature fluctuating between 64°F (17.8°C) and 46°F (7.8°C). In November, the average high-temperature drops, from an agreeable 73°F (22.8°C) in October, to an enjoyable 64°F (17.8°C). Weather in November »

December, the first month of the winter, in San Rafael, is still a cool month, with temperature in the range of an average high of 55°F (12.8°C) and an average low of 41°F (5°C). January and December, with an average high-temperature of 55°F (12.8°C), are the coldest months. Weather in December »

What are the coldest months in San Rafael?

January and December, with an average high-temperature of 55°F (12.8°C), are the coldest months in San Rafael, California.

How much does it rain in San Rafael?

In San Rafael, California, during the entire year, the rain falls for 64.3 days and collects up to 32.2" (817.2mm) of precipitation.

What is the wettest month in San Rafael?

The month with the most rainfall in San Rafael is February when the rain falls for 10.9 days and typically aggregates up to 7.9" (199.6mm) of precipitation.

When are the longest days in San Rafael?

The month with the longest days is June, with an average of 14.8h of daylight.

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 driest month in San Rafael?

July is the only month when rain does not fall in San Rafael.

When does it rain in San Rafael?

Months with rainfall in San Rafael, California, are January through June, August through December.

What is the month with the shortest days in San Rafael?

With an average of 9.6h of daylight, December has the shortest days of the year in San Rafael, California.
Average rainfall - San Rafael, CA
Average rainfall days - San Rafael, CA

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 - San Rafael, CA

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