Petaluma, CA has a mild climate with temperatures that range from warm to cool throughout the year. During summer months, the average daily high is around 75°F and in winter months the average low is around 40°F. Rainfall occurs throughout the year, with an average of 48 inches per year. Petaluma experiences mild winds along the coastal area and during summer months can be more intense due to sea breezes. The area also enjoys clear skies most of the year and plenty of sunshine that makes it a great place to visit or live in.
Petaluma (zip 94954), California gets 30 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Petaluma (zip 94954) averages 0 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 260 sunny days per year in Petaluma (zip 94954). The US average is 205 sunny days.
Petaluma (zip 94954) gets some kind of precipitation, on average, 75 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 84 degrees
Winter Low: the January low is 39
Rain: averages 30 inches of rain a year
Snow: averages 0 inches of snow a year