About La Crescenta Montrose, CA's Climate & Weather History

With a population of around 19,700, La Crescenta Montrose sits in California, United States. The city operates in the Pacific Time Zone.

In 2025, La Crescenta Montrose recorded an average annual temperature of 63°F — about 2.7°F below the 30-year normal of 65°F. The hottest day reached 98°F in August; the coldest was 33°F in March. Total precipitation was 32 inches (wetter than usual). The wettest month was November.