About Seal Beach, CA's Climate & Weather History

Seal Beach is a city of approximately 24,600 people in California, United States. Located in the Pacific Time Zone at 33.7°N latitude.

In 2025, Seal Beach recorded an average annual temperature of 64°F — about 1.4°F below the 30-year normal of 65°F. The hottest day reached 96°F in May; the coldest was 42°F in March. Total precipitation was 19 inches (wetter than usual). The wettest month was November.