Wailuku

What is the climate like in Wailuku?

Wailuku is comfortable to visit year-round; trip comfort peaks in June (8.6/10). Wailuku is warmest in September, when daily highs average 85°F (30°C), and coolest in February, when lows fall to about 69°F (21°C). The wettest month is typically April and the driest is June; the year sees roughly 15 in (382 mm) of precipitation.

• Best time to visitYear-round — comfort peaks in June (8.6/10)
• Warmest monthSeptember — average high 85°F (30°C)
• Coolest monthFebruary — average low 69°F (21°C)
• Wettest monthApril (2.1 in (54 mm))
• Driest monthJune (0.5 in (12 mm))
• Annual precipitation15 in (382 mm)
• Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
• Records fromKahului AP, 7 km away (1954-2026)