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

January weather forecast and climate
San Rafael, CA

January, like December, in San Rafael, California, is another fresh winter month, with average temperature ranging between max 55°F (12.8°C) and min 42.1°F (5.6°C).

Temperature

The coldest months are January and December, with an average high-temperature of 55°F (12.8°C).

Rainfall

In San Rafael, California, during 12.2 rainfall days, 6.9" (174mm) of precipitation is typically accumulated. Throughout the year, there are 64.3 rainfall days, and 32.2" (817.2mm) of precipitation is accumulated.

Daylight

The average length of the day in January in San Rafael is 9.9h.

What are the coldest months in San Rafael?

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

What is the temperature in January in San Rafael?

The average high-temperature, in January, in San Rafael, is 55°F (12.8°C), while the average low-temperature is 42.1°F (5.6°C).

How many days does it rain in January in San Rafael?

In January, in San Rafael, the rain falls for 12.2 days. Throughout January, 6.9" (174mm) of precipitation is accumulated.

How many hours of daylight does San Rafael have in January?

In San Rafael, California, the average length of the day in January is 9.9h.
Average temperature in January - San Rafael, CA
  • Average high temperature in January: 55°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 January: 42°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 January - San Rafael, CA
  • Average rainfall in January: 6.9"

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 January - San Rafael, CA
  • Average rainfall days in January: 12.2 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 January - San Rafael, CA
  • Average daylight in January: 9.9h

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