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Hapuna Beach (HI) Weather and Climate: A Comprehensive Guide

Hapuna Beach has pretty similar weather over the course of the year. It also has a notably wet climate with much precipitation. Let’s explore the climate details in depth to provide you with a complete overview.

Average maximum day and minimum night temperature

With minimal seasonal shifts, Hapuna Beach experiences a constant climate year-round. Average maximum daytime temperatures range from a comfortable 28°C in August, the warmest time of the year, to a comfortable 24°C during cooler months like January.

At night, temperatures typically drop to an average of around 17°C during these months. Check out our detailed temperature page for more information.

Temperature ranges by month

Precipitation and rainy days

Hapuna Beach has a notably wet climate with abundant precipitation, recording 2314 mm of rainfall per year. Significant seasonal changes in precipitation occur throughout the year. During the wetter season, August receives heavy rainfall, averaging 272 mm of precipitation, recorded across 19 rainy days. In contrast, the drier season, January brings less rainfall, with 106 mm over 15 rainy days. For more details, please visit our Hapuna Beach Precipitation page.

The mean monthly precipitation over the year, including rain, hail and snow

Sunshine over the year

While the amount of sunshine in Hapuna Beach varies throughout the year, all seasons offer their own charm. Enjoy up to 9.7 hours of daily sun in June, and experience slightly darker atmosphere in February, with about 6.8 hours of daily sunlight. Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Data from: Kailua-Kona, the United States of America (45 KM, 28 Miles).

Daily hours of sunshine

Data from: Kailua-Kona, the United States of America (45 KM, 28 Miles).

Forecast for Hapuna Beach (HI)

Sat   Dec 21
30°C | 15°C
W 3 m/s
partly cloudy and no rain

partly cloudy and no rain

Sun   Dec 22
28°C | 15°C
NE 2 m/s
partly cloudy and no rain

partly cloudy and no rain

Mon   Dec 23
28°C | 15°C
NE 5 m/s
partly cloudy and no rain

partly cloudy and no rain

The best time of year to visit Hapuna Beach in the United States of America

During the months of January, February, March, April, May and December you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.

Other facts from our historical weather data:
  • Which is the warmest month in Hapuna Beach?
    August has an average maximum temperature of 28°C and is the warmest month of the year.
  • Which is the coldest month in Hapuna Beach?
    The coldest month is January with an average maximum temperature of 24°C.
  • Which is the wettest month in Hapuna Beach?
    August tops the wettest month list with 272 mm of rainfall.
  • Which is the driest month in Hapuna Beach?
    January is the driest month with 106 mm of precipitation.
  • Which is the sunniest month in Hapuna Beach?
    July is the sunniest month with an average of 290 hours of sunshine.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.