January 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
Average temperature in January - Kailua-Kona, HI
  • Average high temperature in January: 81.6°F

The warmest month (with the highest average high temperature) is August (86.9°F).
The month with the lowest average high temperature is February (81.2°F).

  • Average low temperature in January: 68.2°F

The month with the highest average low temperature is August (75.1°F).
The coldest month (with the lowest average low temperature) is February (68°F).

Average rainfall in January - Kailua-Kona, HI
  • Average rainfall in January: 2.4"

The wettest month (with the highest rainfall) is December (2.8").
The driest month (with the lowest rainfall) is July (0.7").

Average sea temperature in January - Kailua-Kona, HI
  • Average sea temperature in January: 76.6°F

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 in January - Kailua-Kona, HI
  • Average daylight in January: 11.1h

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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