San Rafael Weather in January

What's the weather like in San Rafael (California) in January 2024?

The climate in San Rafael during January can be summarized as cool and very wet.

January is in the winter in San Rafael and is typically the coldest month of the year. Daytime maximum temperatures average around a cool 14°C (56°F), whilst at night 5°C (41°F) is normal.

San Rafael weather averages (imperial / metric)
Daytime temperature 13.5°C 56.2°F
Nightly temperature 5°C 40.9°F
Average temperature 9.2°C 48.6°F
Daily sunshine 6.4 hrs
Avg rainfall 208 mm 8.2 ins
Rainy days 10 days
Sea temperature 12.4°C 54.2°F
Humidity 79%
Windspeed 12.2kph 8 mph

On average January is the wettest month of the year in San Rafael with around 208mm 8.2 inches of rain making it a very wet time to visit. This rainfall is typically spread over 10 days, although this may vary considerably.

On the flip side this corresponds to an average of 6.4 hours of sunshine per day.

January temperatures in San Rafael

San Rafael average temperature in January

January rainfall

San Rafael average rain in January

January hourly sunshine

San Rafael average rain in January

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in San Rafael in January 2024.