Haiku-Pauwela Weather in May

What's the weather like in Haiku-Pauwela (Hawaii) in May 2026?

The climate in Haiku-Pauwela during May can be summarized as warm, humid and very wet.

May is in the spring in Haiku-Pauwela and is typically the 6th coldest month of the year. Daytime maximum temperatures average around a muggy 27°C (81°F), whilst at night 18°C (64°F) is normal.

Haiku-Pauwela weather averages (imperial / metric)
Daytime temperature 27°C 80.5°F
Nightly temperature 17.9°C 64.1°F
Average temperature 22.4°C 72.3°F
Daily sunshine 8.4 hrs
Avg rainfall 207 mm 8.1 ins
Rainy days 9 days
Sea temperature 25°C 77°F
Humidity 72%
Windspeed 20.2kph 13 mph

On average May is the 3rd driest month of the year in Haiku-Pauwela with around 207mm 8.1 inches of rain making it a very wet time to visit. This rainfall is typically spread over 9 days, although this may vary considerably.

On the flip side this corresponds to an average of 8.4 hours of sunshine per day.

May temperatures in Haiku-Pauwela

Haiku-Pauwela average temperature in May

May rainfall

Haiku-Pauwela average rain in May

May hourly sunshine

Haiku-Pauwela average rain in May

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Haiku-Pauwela in May 2025.

Other monthly averages

Best places to visit in May

UV index Best time to go?

Beta

Current (hourly) weather 15 day forecast

Haiku-Pauwela weather stats

Haiku-Pauwela weather statistics
Hottest month: August 28.5°C 83.3°F
Driest month: September 133mm 5.2ins
Sunniest month: September 8.5hrs
Coldest month: February 25°C 77°F
Wettest month: March 355mm 14ins
Map showing location of Haiku-Pauwela (20.92187, -156.30508) Haiku-Pauwela map pin © Google

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