Penngrove, CA has a Mediterranean climate, which is characterized by mild, wet winters and hot, dry summers. The average annual temperature in Penngrove is relatively mild compared to other areas of California at 65 degrees Fahrenheit. In the summer, temperatures can reach into the low 90s and humidity is usually low. Winters, on the other hand, are generally cool and rainy with temperatures rarely falling below freezing. Annual precipitation averages around 35 inches of rain per year and snowfall is very rare in this part of California.
Penngrove, California gets 30 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Penngrove 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 Penngrove. The US average is 205 sunny days.
Penngrove 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