December weather forecastKailua-Kona, HI

Weather in December

December marks the end of the year, with Kailua-Kona transitioning towards lower temperatures and increased precipitation. The lowest temperatures range from 69.4°F (20.8°C) to 82.5°F (28.1°C), providing a sense of mild winters. The daylight hours gradually decrease due to the winter solstice. Rainfall hits its annual peak, inviting a lush, greener scenery across the city. Despite the increased rainfall, Kailua-Kona retains its unique charm and offers a serene ambiance for holiday celebrations.

Temperature

The transition into December in Kailua-Kona marks the average high-temperature at a still warm 82.6°F (28.1°C), differing minimally from November's 84.2°F (29°C). Throughout the month of December, the average temperature in Kailua-Kona dips to a pleasant 69.4°F (20.8°C) at night.

Rainfall

The month with the most rainfall is December, when 2.83" (72mm) of precipitation is typically aggregated.

Ocean temperature

In December, the average ocean temperature in Kailua-Kona is 77.4°F (25.2°C).
Note: Surface water temperatures ranging from 77°F (25°C) to 84.2°F (29°C) are seen as ideal and highly pleasant for extended enjoyment in all water activities.

Daylight

With an average of 11h and 0min of daylight, December has the shortest days of the year.
On the first day of December, sunrise is at 6:42 am and sunset at 5:44 pm. On the last day of the month, sunrise is at 6:58 am and sunset at 5:56 pm HST.