Monthly weather forecast and climate
Kailua-Kona, HI

A panoramic shot of Kailua-Kona, Hawaii, surrounded by clear waters, and a view of the mountain slope
A panoramic shot of Kailua-Kona, Hawaii, surrounded by clear waters, and a view of the mountain slope

What is the coldest month in Kailua-Kona?

February is the coldest month in Kailua-Kona, Hawaii, with an average high-temperature of 81.1°F (27.3°C) and an average low-temperature of 68°F (20°C).

What is the warmest month in Kailua-Kona?

The warmest month in Kailua-Kona, Hawaii, is August, with an average high-temperature of 86.9°F (30.5°C) and an average low-temperature of 75°F (23.9°C).
Average temperature - Kailua-Kona, HI
Average rainfall - Kailua-Kona, HI
Average sea temperature - Kailua-Kona, HI

The best month for swimming (with the highest average sea temperature) is September (80°F).
The coldest month (with the lowest average sea temperature) is March (76°F).

Average daylight - Kailua-Kona, HI

The month with the longest days is June (Average daylight: 13.3h).
The month with shortest days is December (Average daylight: 11h).

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