January weather forecast
Kailua-Kona, HI

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Kailua-Kona, Hawaii, surrounded by clear waters
Kailua-Kona, Hawaii, surrounded by clear waters

Weather in January

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.
Updated: Feb 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in Kailua-Kona in January?

The average high-temperature, in January, in Kailua-Kona, is 81.7°F (27.6°C), while the average low-temperature is 68.2°F (20.1°C).

How much does it rain in Kailua-Kona in January?

During January, Kailua-Kona regularly aggregates up to 2.4" (61mm) of precipitation.

What is the ocean temperature in January in Kailua-Kona?

In Kailua-Kona, the average seawater temperature in January is 76.6°F (24.8°C). For individuals prone to feeling cold, swimming in 73.4°F (23°C) is still regarded as intolerable. A wetsuit is not a necessity, but sunshine, wind, and air temperature are essential factors for relishing swimming at 76.6°F (24.8°C).

What is the average length of the day in January in Kailua-Kona?

In Kailua-Kona, Hawaii, the average day length in January is 11h and 6min.

When is the sunrise / sunset in January in Kailua-Kona?

On the first day of January in Kailua-Kona, 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.

Average temperature in January
Kailua-Kona, HI

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 - 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 least rainfall) is July (0.7").

Average sea temperature in January
Kailua-Kona, HI

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 - Kailua-Kona, HI
  • Average daylight in January: 11h and 1min

The month with the longest days is June (Average daylight: 13h and 18min).
The month with the shortest days is December (Average daylight: 11h and 0min).

Kailua-Kona, Hawaii, USA

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