About Oak Park, CA's Climate & Weather History

Oak Park, in California, United States, is home to roughly 13,800 people in the Pacific Time Zone at 34.2°N latitude.

In 2025, Oak Park recorded an average annual temperature of 65°F — about 1.4°F below the 30-year normal of 67°F. The hottest day reached 103°F in August; the coldest was 35°F in March. Total precipitation was 24 inches (wetter than usual). The wettest month was December.