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

May weather forecast and climate
San Rafael, CA

The last month of the spring, May, is a pleasant month in San Rafael, California, with average temperature ranging between min 50°F (10°C) and max 71.1°F (21.7°C).

Temperature

In May, the average high-temperature is almost the same as in April - a pleasant 71.1°F (21.7°C). In May, in San Rafael, the average low-temperature is 50°F (10°C).

Rainfall

In San Rafael, in May, it is raining for 3.4 days, with typically 1" (24.4mm) of accumulated precipitation. Throughout the year, there are 64.3 rainfall days, and 32.2" (817.2mm) of precipitation is accumulated.

Daylight

In May, the average length of the day is 14.3h.

What is the temperature in May in San Rafael?

In San Rafael, in May, the average high-temperature is 71.1°F (21.7°C), and the average low-temperature is 50°F (10°C).

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

In San Rafael, California, in May, during 3.4 rainfall days, 1" (24.4mm) of precipitation is typically accumulated.

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

In San Rafael, the average length of the day in May is 14.3h.
Average temperature in May - San Rafael, CA
  • Average high temperature in May: 71°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 May: 50°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 May - San Rafael, CA
  • Average rainfall in May: 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 May - San Rafael, CA
  • Average rainfall days in May: 3.4 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 May - San Rafael, CA
  • Average daylight in May: 14.3h

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