San Francisco - Recent January Temperatures and Rainfall

The numbers here describe what the January weather in San Francisco, California was like for every year since 2010. A series of tables gives January data by year for temperature and precipitation.

They begin with average maximum and minimum temperatures in degrees Fahrenheit and Celsius. That's followed by how many hot or cold days occurred each January. Then there's information on how much rain actually landed this month during recent years, as well as how often San Francisco had wet weather.

The climate data come from weather measurements made in downtown San Francisco.