About Clackamas, OR's Climate & Weather History

With a population of around 6,800, Clackamas sits in Oregon, United States. The city operates in the Pacific Time Zone.

In 2025, Clackamas recorded an average annual temperature of 54°F — right at the 30-year normal of 55°F. The hottest day reached 100°F in August; the coldest was 23°F in February. Total precipitation was 56 inches (wetter than usual). The wettest month was December.