December Weather in Waikapu, United States

Last updated: June 24, 2025

In December, the average temperature in Waikapu, United States hovers around 23°C (74°F), providing a pleasant climate for outdoor activities. Expect a range from a mild 17°C (63°F) to a warm 29°C (84°F). Rainfall during this time typically amounts to 45 mm (1.8 in) over 8 days, contributing to an average humidity level of 81%.

December Temperature in Waikapu

In December in Waikapu, the average temperature is 23°C (74°F). The maximum can reach 29°C (84°F) and the minimum can be as low as 17°C (63°F). Overall, it's a comfortable time for traveling, making it ideal for outdoor activities and exploring the area's attractions.

December Weather in Waikapu: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Waikapu, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Waikapu, December typically has an average temperature of 23°C (74°F), with highs reaching up to 29°C (84°F) and lows dropping to around 17°C (63°F).

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

December Precipitation in Waikapu

In Waikapu in December, the precipitation amount is 45 mm (1.8 in) over the course of 8 days.

December Precipitation Trends in Waikapu

The chart displays monthly precipitation patterns in Waikapu, with values for each month alongside December’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December’s conditions compare to those of other months. In Waikapu, December typically receives around 45 mm (1.8 inches) of precipitation spread over approximately 8 days.

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

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Millimeters (mm) Inches (in)

December Humidity in Waikapu

In Waikapu in December, humidity is 81%. With an average temperature of 23°C (74°F), this humidity feels like a warm, heavy blanket draped over your skin, making travel feel a bit more sluggish and requiring plenty of water breaks to stay comfortable.

December Average Humidity in Waikapu

This chart illustrates the average monthly humidity levels in Waikapu, with December’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In December, average humidity in Waikapu is approximately 81%, offering insight into how humid the weather typically is during this month.

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

December UV Index in Waikapu

In Waikapu in December, 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 Waikapu.

Maximum UV Index Levels in Waikapu for December

The chart shows the monthly maximum UV Index (UVI) for Waikapu in December, 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 December, the maximum UV index in Waikapu typically reaches 8, which falls under the very high exposure category.

Data source: Waikapu December 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 December Weather in Waikapu Compares to Other Months

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

This table compares monthly weather conditions in Waikapu, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	22°C (73°F)	30 mm (1.2 inches)	78%	very high
February Weather	22°C (72°F)	78 mm (3.1 inches)	79%	very high
March Weather	22°C (73°F)	55 mm (2.2 inches)	79%	extreme
April Weather	23°C (74°F)	52 mm (2.1 inches)	82%	extreme
May Weather	24°C (76°F)	37 mm (1.5 inches)	83%	extreme
June Weather	25°C (78°F)	15 mm (0.6 inches)	84%	extreme
July Weather	26°C (79°F)	24 mm (0.9 inches)	85%	extreme
August Weather	26°C (79°F)	28 mm (1.1 inches)	85%	extreme
September Weather	26°C (79°F)	19 mm (0.7 inches)	84%	extreme
October Weather	25°C (78°F)	50 mm (2.0 inches)	83%	extreme
November Weather	24°C (76°F)	20 mm (0.8 inches)	82%	very high
December Weather	23°C (74°F)	45 mm (1.8 inches)	81%	very high