January weather forecast
Kailua-Kona, HI

In the first month of the year, the weather in Kailua-Kona, Hawaii blends the aforementioned climate extremes. Residents experienced temperatures from 68.2°F (20.1°C) to 81.6°F (27.6°C). Since this is a coastal city, the moderately high temperatures blend with the sea breezes for a refreshing ambiance. January brings more daylight, compared to December, illuminating the city for touring and other outdoor activities. Precipitation is noted, however, compared to other winter months, it is rather moderate.

Temperature

January commences with an average high-temperature of a still moderately hot 81.7°F (27.6°C), showing little deviation from December's 82.6°F (28.1°C). Kailua-Kona's January nights cool down to an average low-temperature of 68.2°F (20.1°C).

Rainfall

During January, Kailua-Kona regularly aggregates up to 2.4" (61mm) of precipitation. Throughout the year, in Kailua-Kona, 18.39" (467mm) of rain is accumulated.

Ocean temperature

In January, the average ocean temperature in Kailua-Kona is 76.6°F (24.8°C).
Note: Considering one's resistance to cold, elements like sunshine, wind, and the prevailing temperature matter when taking a swim in 76.6°F (24.8°C) waters. (For comparison, the Olympic swimming standard is set between 77°F (25°C) and 82.4°F (28°C).)

Daylight

In Kailua-Kona, the average length of the day in January is 11h and 6min.
On the first day of January, sunrise is at 6:58 am and sunset at 5:56 pm. On the last day of the month, sunrise is at 6:59 am and sunset at 6:15 pm HST.