August Weather in Waialua, United States

Last updated: June 24, 2025

In August, the average temperature in Waialua, United States hovers around 26°C (79°F), with a comfortable range between a minimum of 23°C (74°F) and a maximum of 29°C (84°F). Visitors can expect 11 mm (0.5 in) of rain spread over 2 days, alongside an average humidity of 83% that adds to the tropical vibe.

August Temperature in Waialua

In August in Waialua, the average temperature is 26°C (79°F). The maximum can reach 29°C (84°F), and the minimum can be as low as 23°C (74°F). This mild and pleasant weather makes Waialua an ideal destination for travelers seeking comfortable conditions.

August Weather in Waialua: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Waialua, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Waialua, August typically has an average temperature of 26°C (79°F), with highs reaching up to 29°C (84°F) and lows dropping to around 23°C (74°F).

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

August Precipitation in Waialua

In Waialua in August, the precipitation amount is 11 mm (0.5 in) over the course of 2 days.

August Precipitation Trends in Waialua

The chart displays monthly precipitation patterns in Waialua, with values for each month alongside August’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how August’s conditions compare to those of other months. In Waialua, August typically receives around 11 mm (0.5 inches) of precipitation spread over approximately 2 days.

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

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Millimeters (mm) Inches (in)

August Humidity in Waialua

In Waialua in August, humidity is 83%. With an average temperature of 26°C (79°F), this humidity feels like a heavy blanket enveloping you, making travel an exercise in endurance as the air clings to your skin and saps your energy.

August Average Humidity in Waialua

This chart illustrates the average monthly humidity levels in Waialua, with August’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In August, average humidity in Waialua is approximately 83%, offering insight into how humid the weather typically is during this month.

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

August UV Index in Waialua

In Waialua in August, the maximum UV index reaches 13, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take protective measures. For detailed information, you can check the Hourly UV Index in Waialua.

Maximum UV Index Levels in Waialua for August

The chart shows the monthly maximum UV Index (UVI) for Waialua in August, 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 August, the maximum UV index in Waialua typically reaches 13, which falls under the extreme exposure category.

Data source: Waialua August 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 August Weather in Waialua Compares to Other Months

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

This table compares monthly weather conditions in Waialua, showing how August’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