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Keauhou Weather and Climate: A Comprehensive Guide

Keauhou has a steady warm climate throughout the year. It also has a notably wet climate with much precipitation. Now, let’s explore all the climate details to give you a full picture.

Average maximum day and minimum night temperature

In Keauhou temperatures are generally consistent throughout the year. Average maximum daytime temperatures range from a comfortable 25°C in August, the warmest time of the year, to a comfortable 22°C during cooler months like February.

At night, temperatures typically drop to an average of around 18°C during these months. Check out our detailed temperature page for more information.

Temperature ranges by month

Precipitation and rainy days

Keauhou experiences significant rainfall throughout the year, averaging 3904 mm of precipitation annually. Significant seasonal changes in precipitation occur throughout the year. During the wetter season, July receives heavy rainfall, averaging 528 mm of precipitation, recorded across 19 rainy days. In contrast, the drier season, January brings less rainfall, with 150 mm over 15 rainy days. For more details, please visit our Keauhou Precipitation page.

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

Sunshine over the year

While the amount of sunshine in Keauhou 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 (9 KM, 5 Miles).

Daily hours of sunshine

Data from: Kailua-Kona, the United States of America (9 KM, 5 Miles).

Forecast for Keauhou

Fri   Dec 27
26°C | 14°C
SW 2 m/s
almost clear and no rain

almost clear and no rain

Sat   Dec 28
25°C | 14°C
W 2 m/s
2.1 mm
partly cloudy and  chance of rain

partly cloudy and chance of rain

Sun   Dec 29
25°C | 15°C
W 1 m/s
0.9 mm
partly cloudy and  chance of slight rain

partly cloudy and chance of slight rain

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

The average rainfall figures in Keauhou are quite high. Throughout the year, you have a chance of prolonged precipitation. So no matter what time of year you go, you will always have to deal with a high number of rainy days. This makes it more challenging to point out the best time of year to visit. If we needed to pick one month we would choose July which is the sunniest month of the year.

Other facts from our historical weather data:
  • When is summer in Keauhou?
    The hottest season / summer takes place in July, August, September and October.
  • Which is the warmest month in Keauhou?
    August has an average maximum temperature of 25°C and is the warmest month of the year.
  • Which is the coldest month in Keauhou?
    The coldest month is February with an average maximum temperature of 22°C.
  • Which is the wettest month in Keauhou?
    July tops the wettest month list with 528 mm of rainfall.
  • Which is the driest month in Keauhou?
    January is the driest month with 150 mm of precipitation.
  • Which is the sunniest month in Keauhou?
    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.