Waikoloa Weather in May

Waikoloa in May averages 25°C (77°F) during the day and 18°C (64°F) at night. May is part of the rainy season, so frequent rainfall is typical.

Rainfall in Waikoloa in May

As part of the rainy season, Waikoloa sees around 18 days of rain in May, with an average of 276 mm (11 in). With high rainfall totals spread across the month, individual showers can be very heavy. Waterproof gear is strongly recommended.

Temperature in Waikoloa in May

Expect highs of 25°C (77°F) in Waikoloa in May, with nights dropping to around 18°C (64°F). This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. Nights cool down to 18°C (64°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.

Sunshine in Waikoloa in May

There are approximately 275 hours of sunshine this month, despite being the rainy season. Rain often arrives in the late afternoon or evening, keeping mornings and early afternoons sunny. Even during the wet season, it could still be a nice time to visit.

If you prefer dry days with pleasant temperatures, May may not be the ideal month to visit Waikoloa. Our weather planner can help you explore destinations with more pleasant weather conditions.