Fontana, CA has a subtropical-mediterranean climate with warm, dry summers and mild, wet winters. Average temperatures range from the mid 70s in the summer to low 50s in the winter. The area receives an average of 13 inches of rain per year and can experience long periods of drought. Despite this, Fontana’s low elevation helps keep temperatures relatively mild all year round. There is also no large body of water nearby to influence the climate, making seasonal changes more gradual.
Fontana, California gets 14 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Fontana averages 0 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 281 sunny days per year in Fontana. The US average is 205 sunny days.
Fontana gets some kind of precipitation, on average, 38 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 94 degrees
Winter Low: the January low is 43
Rain: averages 14 inches of rain a year
Snow: averages 0 inches of snow a year