October Weather in Wailuku, United States

Last updated: June 24, 2025

In October, the average temperature in Wailuku, United States hovers around 26°C (79°F), providing a pleasant climate for outdoor activities. Expect minimum lows of 21°C (70°F) and maximum highs reaching 31°C (88°F). With 40 mm (1.6 in) of precipitation spread over approximately 7 days, you'll still want to prepare for the occasional shower. The atmosphere is quite humid, with an average humidity level of 83%, making it feel warm and tropical.

October Temperature in Wailuku

In October in Wailuku, the average temperature is 26°C (79°F). Maximums can reach 31°C (88°F) and minimums can be as low as 21°C (70°F). This pleasant climate makes Wailuku an ideal destination for travelers looking to enjoy warm weather.

October Weather in Wailuku: Daily Temperature Highs, Lows, and Averages

The chart illustrates October temperature patterns in Wailuku, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Wailuku, October typically has an average temperature of 26°C (79°F), with highs reaching up to 31°C (88°F) and lows dropping to around 21°C (70°F).

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

October Precipitation in Wailuku

In Wailuku in October, the precipitation amount is 40 mm (1.6 in) over a span of 7 days.

October Precipitation Trends in Wailuku

The chart displays monthly precipitation patterns in Wailuku, with values for each month alongside October’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how October’s conditions compare to those of other months. In Wailuku, October typically receives around 40 mm (1.6 inches) of precipitation spread over approximately 7 days.

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

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Millimeters (mm) Inches (in)

October Humidity in Wailuku

In Wailuku in October, 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.

October Average Humidity in Wailuku

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

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

October UV Index in Wailuku

In Wailuku in October, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Wailuku.

Maximum UV Index Levels in Wailuku for October

The chart shows the monthly maximum UV Index (UVI) for Wailuku in October, 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 October, the maximum UV index in Wailuku typically reaches 11, which falls under the extreme exposure category.

Data source: Wailuku October 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 October Weather in Wailuku Compares to Other Months

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

This table compares monthly weather conditions in Wailuku, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	23°C (74°F)	32 mm (1.3 inches)	78%	high
February Weather	23°C (73°F)	75 mm (2.9 inches)	79%	very high
March Weather	23°C (74°F)	52 mm (2.0 inches)	79%	extreme
April Weather	24°C (75°F)	49 mm (1.9 inches)	82%	extreme
May Weather	25°C (77°F)	36 mm (1.4 inches)	83%	extreme
June Weather	26°C (79°F)	11 mm (0.4 inches)	84%	extreme
July Weather	26°C (80°F)	23 mm (0.9 inches)	85%	extreme
August Weather	27°C (80°F)	25 mm (1.0 inches)	85%	extreme
September Weather	27°C (80°F)	17 mm (0.7 inches)	84%	extreme
October Weather	26°C (79°F)	40 mm (1.6 inches)	83%	extreme
November Weather	25°C (77°F)	25 mm (1.0 inches)	82%	very high
December Weather	24°C (75°F)	45 mm (1.8 inches)	81%	very high