August Weather in Waipahu, United States

Last updated: June 24, 2025

In Waipahu, United States, the average temperature in August hovers around 26°C (80°F), offering a pleasant climate. Expect a minimum of 21°C (71°F) and a maximum of 32°C (89°F) throughout the month. With 27 mm (1.0 in) of precipitation spread over 8 days, occasional showers may occur, contributing to an average humidity of 83%. Enjoy the blend of warmth and refreshing breezes!

August Temperature in Waipahu

In August in Waipahu, the average temperature is 26°C (80°F). Maximums can reach 32°C (89°F), while minimums can drop to as low as 21°C (71°F). This mild climate makes Waipahu an ideal destination for travelers seeking pleasant weather during this time.

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

The chart illustrates August temperature patterns in Waipahu, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Waipahu, August typically has an average temperature of 26°C (80°F), with highs reaching up to 32°C (89°F) and lows dropping to around 21°C (71°F).

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

August Precipitation in Waipahu

In Waipahu in August, the total precipitation amount is 27 mm (1.0 in), distributed over 8 days.

August Precipitation Trends in Waipahu

The chart displays monthly precipitation patterns in Waipahu, 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 Waipahu, August typically receives around 27 mm (1.0 inches) of precipitation spread over approximately 8 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 Waipahu

In Waipahu in August humidity is 83%. With an average temperature of 26°C (80°F), this humidity feels like a warm, enveloping blanket that can make traveling quite uncomfortable; you may find yourself needing frequent breaks for hydration and cool shade as the thick air clings to your skin.

August Average Humidity in Waipahu

This chart illustrates the average monthly humidity levels in Waipahu, 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 Waipahu 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 Waipahu

In Waipahu 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 Waipahu.

Maximum UV Index Levels in Waipahu for August

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

Data source: Waipahu 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 Waipahu Compares to Other Months

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

This table compares monthly weather conditions in Waipahu, 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)	22 mm (0.9 inches)	78%	very high
February Weather	22°C (72°F)	76 mm (3.0 inches)	79%	very high
March Weather	22°C (73°F)	77 mm (3.0 inches)	78%	extreme
April Weather	23°C (74°F)	39 mm (1.5 inches)	81%	extreme
May Weather	24°C (76°F)	38 mm (1.5 inches)	82%	extreme
June Weather	25°C (78°F)	51 mm (2.0 inches)	82%	extreme
July Weather	26°C (79°F)	28 mm (1.1 inches)	83%	extreme
August Weather	26°C (80°F)	27 mm (1.0 inches)	83%	extreme
September Weather	26°C (80°F)	26 mm (1.0 inches)	82%	extreme
October Weather	26°C (78°F)	57 mm (2.2 inches)	81%	extreme
November Weather	24°C (76°F)	32 mm (1.3 inches)	80%	very high
December Weather	23°C (74°F)	79 mm (3.1 inches)	79%	high