May Weather in Waianae, United States

Last updated: June 24, 2025

In Waianae, United States, the average temperature in May hovers around 24°C (75°F), with a comfortable range between a minimum of 19°C (67°F) and a maximum of 27°C (81°F). Expect 20 mm (0.8 in) of rainfall spread over 3 days, contributing to an average humidity level of 82%. Perfect for enjoying those warm, breezy days!

May Temperature in Waianae

In May in Waianae, the average temperature is 24°C (75°F). Maximums can reach 27°C (81°F), while minimums can dip as low as 19°C (67°F). This mild and pleasant climate makes Waianae an ideal destination for travelers seeking comfortable weather.

May Weather in Waianae: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Waianae, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Waianae, May typically has an average temperature of 24°C (75°F), with highs reaching up to 27°C (81°F) and lows dropping to around 19°C (67°F).

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

May Precipitation in Waianae

In Waianae in May, the precipitation amount is 20 mm (0.8 in) accumulated over a period of 3 days.

May Precipitation Trends in Waianae

The chart displays monthly precipitation patterns in Waianae, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Waianae, May typically receives around 20 mm (0.8 inches) of precipitation spread over approximately 3 days.

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

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Millimeters (mm) Inches (in)

May Humidity in Waianae

In Waianae in May, humidity is 82%. With an average temperature of 24°C (75°F), this humidity feels like a warm embrace, making travel feel sticky and heavy on the skin, often requiring more frequent breaks and hydration.

May Average Humidity in Waianae

This chart illustrates the average monthly humidity levels in Waianae, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Waianae is approximately 82%, offering insight into how humid the weather typically is during this month.

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

May UV Index in Waianae

In Waianae in May, the maximum UV index is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For detailed information, you can check the Hourly UV Index in Waianae.

Maximum UV Index Levels in Waianae for May

The chart shows the monthly maximum UV Index (UVI) for Waianae in May, 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 May, the maximum UV index in Waianae typically reaches 12, which falls under the extreme exposure category.

Data source: Waianae May 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 May Weather in Waianae Compares to Other Months

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

This table compares monthly weather conditions in Waianae, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	23°C (73°F)	14 mm (0.5 inches)	78%	very high
February Weather	22°C (72°F)	74 mm (2.9 inches)	79%	very high
March Weather	22°C (72°F)	65 mm (2.5 inches)	78%	extreme
April Weather	23°C (74°F)	26 mm (1.0 inches)	81%	extreme
May Weather	24°C (75°F)	20 mm (0.8 inches)	82%	extreme
June Weather	25°C (77°F)	36 mm (1.4 inches)	82%	extreme
July Weather	25°C (78°F)	7 mm (0.3 inches)	83%	extreme
August Weather	26°C (79°F)	11 mm (0.5 inches)	83%	extreme
September Weather	26°C (79°F)	13 mm (0.5 inches)	82%	extreme
October Weather	25°C (78°F)	44 mm (1.7 inches)	81%	extreme
November Weather	24°C (76°F)	21 mm (0.8 inches)	80%	very high
December Weather	23°C (74°F)	77 mm (3.0 inches)	79%	high