Portola, CA has a warm and pleasant climate, with mild winters and hot summers. The average high temperature in the summer is around 75掳F (24掳C), while the average low temperature in winter is around 40掳F (4掳C). Rainfall can vary throughout the year, however, with an average of around 44 inches (110 cm) annually. The area gets plenty of sunshine, with an average of about 280 days of sunshine each year.
Portola (zip 96122), California gets 18 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Portola (zip 96122) averages 38 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 239 sunny days per year in Portola (zip 96122). The US average is 205 sunny days.
Portola (zip 96122) gets some kind of precipitation, on average, 59 days per year. Precipitation is rain, snow, sleet, or hail that falls to the ground. In order for precipitation to be counted you have to get at least .01 inches on the ground to measure.
Weather Highlights
Summer High: the July high is around 85 degrees
Winter Low: the January low is 18
Rain: averages 18 inches of rain a year
Snow: averages 38 inches of snow a year