What is the climate of Riverside California?

The climate of Riverside, California, falls under the Köppen climate classification system as "Csa", Mediterranean climate with dry, warm summers and mild, relatively wet winters.

Temperature:

* Average annual temperature: 68.2°F (20.1°C)

* Average summer temperatures: July high of 97.8°F (36.6°C), August low of 61.1°F (16.2°C)

* Average winter temperatures: December low of 42.2°F (5.7°C), January high of 65.7°F (18.7°C)

Precipitation:

* Average annual precipitation: 12.8 inches (325 mm)

* Most rainfall occurs during winter and spring months

* Summers are generally dry, with little or no precipitation

Humidity:

* Humidity levels vary throughout the year

* Summers tend to be dry with lower humidity

* Winters can have higher humidity, especially during and after rainfall

Sunshine:

* Riverside has an average of 3,000 hours of sunshine per year

* Clear, sunny days are prevalent throughout the year

Climate Highlights:

* Riverside experiences mild, comfortable temperatures for much of the year

* Summers can be hot and dry with occasional heatwaves

* Winters are generally mild, with occasional periods of rainfall and cooler temperatures

* Spring and fall are typically pleasant with mild temperatures and limited precipitation

Overall, Riverside's climate can be characterized as Mediterranean, with warm, dry summers and mild, wet winters.