January Weather in Kapaau, United States

Last updated: June 24, 2025

In Kapaau, United States, the average temperature in January hovers around 22°C (72°F). Expect a comfortable range, with minimums dropping to 19°C (66°F) and maximums reaching 26°C (79°F). However, keep an umbrella handy, as precipitation averages 38 mm (1.5 in) spread over about 7 days, complemented by an average humidity level of 78%.

January Temperature in Kapaau

In January in Kapaau, the average temperature is 22°C (72°F). Maximums can reach 26°C (79°F), while minimums can dip as low as 19°C (66°F). This pleasant and mild climate makes it an ideal time for exploring and enjoying outdoor activities in Kapaau.

January Weather in Kapaau: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Kapaau, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Kapaau, January typically has an average temperature of 22°C (72°F), with highs reaching up to 26°C (79°F) and lows dropping to around 19°C (66°F).

Data source: Temperature data for Kapaau generated using information from the Copernicus Climate Change Service.

January Precipitation in Kapaau

In Kapaau in January, the precipitation amount is 38 mm (1.5 in) over the course of 7 days.

January Precipitation Trends in Kapaau

The chart displays monthly precipitation patterns in Kapaau, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In Kapaau, January typically receives around 38 mm (1.5 inches) of precipitation spread over approximately 7 days.

Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

January Humidity in Kapaau

In Kapaau in January, humidity is 78%. With an average temperature of 22°C (72°F), this humidity feels like a warm blanket wrapped around you, making outdoor exploration a bit stifling but ultimately rewarding as you bask in the vibrant atmosphere.

January Average Humidity in Kapaau

This chart illustrates the average monthly humidity levels in Kapaau, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in Kapaau is approximately 78%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Kapaau

In Kapaau in January, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Kapaau.

Maximum UV Index Levels in Kapaau for January

The chart shows the monthly maximum UV Index (UVI) for Kapaau in January, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In January, the maximum UV index in Kapaau typically reaches 8, which falls under the very high exposure category.

Data source: Kapaau January UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

How January Weather in Kapaau Compares to Other Months

Weather in Kapaau varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Kapaau, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Kapaau, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	22°C (72°F)	38 mm (1.5 inches)	78%	very high
February Weather	22°C (71°F)	76 mm (3.0 inches)	79%	very high
March Weather	22°C (72°F)	50 mm (2.0 inches)	79%	extreme
April Weather	23°C (73°F)	44 mm (1.7 inches)	82%	extreme
May Weather	23°C (74°F)	37 mm (1.5 inches)	83%	extreme
June Weather	24°C (76°F)	7 mm (0.3 inches)	84%	extreme
July Weather	25°C (77°F)	19 mm (0.7 inches)	85%	extreme
August Weather	25°C (77°F)	43 mm (1.7 inches)	85%	extreme
September Weather	25°C (77°F)	17 mm (0.7 inches)	84%	extreme
October Weather	25°C (77°F)	47 mm (1.9 inches)	83%	extreme
November Weather	24°C (75°F)	32 mm (1.2 inches)	82%	very high
December Weather	23°C (73°F)	79 mm (3.1 inches)	81%	very high