Hercules, CA enjoys a Mediterranean climate with warm, dry summers and mild, wet winters. The average temperature in Hercules ranges from 40-70 degrees Fahrenheit throughout the year. Summers tend to be sunny and dry while winters bring cooler temperatures and more precipitation. Rainfall is most frequent in winter although thunderstorms can occur during any time of year. Hercules experiences little snowfall due to its proximity to the coast and oceanic influences. Overall, Hercules has an extremely pleasant climate that is ideal for outdoor activities all year round.
Hercules, California gets 24 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Hercules averages 0 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 265 sunny days per year in Hercules. The US average is 205 sunny days.
Hercules gets some kind of precipitation, on average, 64 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 78 degrees
Winter Low: the January low is 40
Rain: averages 24 inches of rain a year
Snow: averages 0 inches of snow a year