About Manoa, HI's Climate & Weather History

Manoa, in Hawaii, United States, is home to roughly 23,300 people in the Hawaii Time Zone at 21.3°N latitude.

In 2025, Manoa recorded an average annual temperature of 75°F — about 3.1°F below the 30-year normal of 78°F. The hottest day reached 89°F in August; the coldest was 59°F in January. Total precipitation was 28 inches (wetter than usual). The wettest month was January.