Climate almanac
Keolu Hills
Hawaii, United States · 21.38°, -157.73°
What is the climate like in Keolu Hills?
Keolu Hills is comfortable to visit year-round; trip comfort peaks in September (8.2/10). Keolu Hills is warmest in September, when daily highs average 82°F (28°C), and coolest in February, when lows fall to about 70°F (21°C). The wettest month is typically December and the driest is September; the year sees roughly 24 in (611 mm) of precipitation.
- Best time to visitYear-round — comfort peaks in September (8.2/10)
- Warmest monthSeptember — average high 82°F (28°C)
- Coolest monthFebruary — average low 70°F (21°C)
- Wettest monthDecember (2.9 in (73 mm))
- Driest monthSeptember (1.4 in (36 mm))
- Annual precipitation24 in (611 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
- Records fromKaneohe Bay Mcas, 9 km away (1942-2026)