Normal weather in San Francisco in January
The weather in San Francisco in January has an average temperature of around 30°C during the day. On average, January sees 50 mm of rain in San Francisco. The wind speed is 5 Beaufort and mainly comes from East.
After December, January in San Francisco starts with a temperature of 31°C and ends around February at 30°C.
January averages for San Francisco
![]() | 30°C |
![]() | 31°C |
![]() | 30°C |
![]() | 50 mm |
![]() | 8 days |
Temperature per day in January in San Francisco
This graph shows the average daily maximum temperatures in January in San Francisco, indicated in degrees Celsius.
Rainfall per day in January in San Francisco
This graph shows the average daily rainfall in January in San Francisco, indicated in millimeters.
UV index per day in January in San Francisco
This graph shows the average daily UV index in January in San Francisco.
Yearly temperature in January in San Francisco
This graph shows the average yearly temperature in January in San Francisco, measured in degrees Celsius, over the past years.
Yearly total rainfall in January in San Francisco
This graph shows the average yearly rainfall in millimeters in January in San Francisco, over the past years.
Average daily weather in January
Click on a day to get more information about the average weather on that day.
Experiences with the weather in January in San Francisco
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Average weather in San Francisco per month
Click on a month below to see in detail how the weather typically is in San Francisco and what to expect. Based on the historical weather data of San Francisco, you can view the average temperature, rainfall, wind, and UV index for each day of the month.