Porterville is a city of approximately 56,100 people in California, United States. Located in the Pacific Time Zone at 36.1°N latitude.
In 2025, Porterville recorded an average annual temperature of 65°F. The hottest temperatures reached 109°F in August; the coolest were 30°F in January. Total precipitation for the year was 17 inches, with the wettest month being March.
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