Climate almanac
Haʻikū
Hawaii, United States · 20.92°, -156.32°
What is the climate like in Haʻikū?
The best time to visit Haʻikū is typically May – November, with trip comfort peaking in June (7.4/10). Haʻikū is warmest in September, when daily highs average 79°F (26°C), and coolest in February, when lows fall to about 70°F (21°C). The wettest month is typically April and the driest is June; the year sees roughly 42 in (1071 mm) of precipitation.
- Best time to visitMay – November — comfort peaks in June (7.4/10)
- Warmest monthSeptember — average high 79°F (26°C)
- Coolest monthFebruary — average low 70°F (21°C)
- Wettest monthApril (4.7 in (120 mm))
- Driest monthJune (2.3 in (58 mm))
- Annual precipitation42 in (1071 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
- Records fromKailua 446, 12 km away (1905-2022)