April Weather in Waipahu, United States

Last updated: June 24, 2025

In April, the average temperature in Waipahu, United States hovers around 23°C (74°F), with minimums dipping to 17°C (63°F) and maximums peaking at 29°C (84°F). Expect 39 mm (1.5 in) of precipitation spread over 11 days and an average humidity level of 81%, creating a warm and slightly humid atmosphere.

April Temperature in Waipahu

In April in Waipahu, 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.

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

The chart illustrates April 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, April 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 Waipahu generated using information from the Copernicus Climate Change Service.

April Precipitation in Waipahu

In Waipahu in April, the precipitation amount is 39 mm (1.5 in) over the course of 11 days.

April Precipitation Trends in Waipahu

The chart displays monthly precipitation patterns in Waipahu, with values for each month alongside April’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how April’s conditions compare to those of other months. In Waipahu, April typically receives around 39 mm (1.5 inches) of precipitation spread over approximately 11 days.

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

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Millimeters (mm) Inches (in)

April Humidity in Waipahu

In Waipahu in April, 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.

April Average Humidity in Waipahu

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

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

April UV Index in Waipahu

In Waipahu in April, 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 Waipahu.

Maximum UV Index Levels in Waipahu for April

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

Data source: Waipahu April 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 April 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 April’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 April’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