Climate almanac
Kapolei
Hawaii, United States · 21.34°, -158.06°
What is the climate like in Kapolei?
Kapolei is comfortable to visit year-round; trip comfort peaks in August (8.7/10). Kapolei is warmest in September, when daily highs average 81°F (27°C), and coolest in February, when lows fall to about 71°F (22°C). The wettest month is typically December and the driest is July; the year sees roughly 13 in (342 mm) of precipitation.
- Best time to visitYear-round — comfort peaks in August (8.7/10)
- Warmest monthSeptember — average high 81°F (27°C)
- Coolest monthFebruary — average low 71°F (22°C)
- Wettest monthDecember (2.1 in (54 mm))
- Driest monthJuly (0.5 in (12 mm))
- Annual precipitation13 in (342 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
- Records fromHonolulu Intl AP, 12 km away (1940-2026)