October weather forecast
Wailuku, HI

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Weather in October

October in Wailuku brings another month of consistent temperatures and a slight rise in the rainfall gauge. This month sees an increase in the rainfall by about 0.55" (14mm), dispersed across an average of 9 days. Though the weather remains predominantly dry, October marks the official arrival of the wet season. It's a great time to witness the rich biodiversity and natural beauty that Wailuku, Hawaii provides.

Temperature

The average high-temperature during October registers at a still warm 79.3°F (26.3°C), maintaining a close resemblance to the previous month. October nights reflect a consistent temperature dip to a still moderately hot 76.5°F (24.7°C), a slight descent from daytime peaks.

Humidity

The average relative humidity in October is 75%.

Rainfall

In Wailuku, Hawaii, in October, it is raining for 9 days, with typically 0.55" (14mm) of accumulated precipitation. Throughout the year, there are 103.4 rainfall days, and 6.57" (167mm) of precipitation is accumulated.

Daylight

The average length of the day in October is 11h and 40min.
On the first day of October, sunrise is at 6:17 am and sunset at 6:13 pm. On the last day of the month, sunrise is at 6:28 am and sunset at 5:50 pm HST.

Sunshine

In Wailuku, the average sunshine in October is 8.2h.

UV index

The months with the highest UV index are July through October, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: A maximum UV index of 7 in October translates into the following recommendations:
Deter overexposure. Protecting against the sun's effects is essential. Avoid direct sunlight between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Keep in mind that shade structures may not provide complete protection. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
Updated: Jul 16, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Wailuku in October?

The average high-temperature and low-temperature during October are 79.3°F (26.3°C) and 76.5°F (24.7°C) respectively.

What is the average humidity in October in Wailuku?

In October, the average relative humidity is 75%.

How many days does it rain in October in Wailuku?

In Wailuku, during October, the rain falls for 9 days and regularly aggregates up to 0.55" (14mm) of precipitation.

How many hours of daylight does Wailuku have in October?

The average day length in October is 11h and 40min.

When is the sunrise / sunset in October?

In October, on the first day of the month, sunrise is at 6:17 am and sunset at 6:13 pm. On the last day of the month, sunrise is at 6:28 am and sunset at 5:50 pm HST.

How long on average sun shines in October?

In Wailuku, the average sunshine duration in October is 8.2h.

What are the months with the highest UV index?

The months with the highest UV index are July through October, with an average maximum UV index of 7.

How high is the UV index in October?

The average daily maximum UV index in October is 7. A UV Index of 6 to 7 symbolizes a high hazard to health from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in October
Wailuku, HI

Average temperature in October - Wailuku, HI
  • Average high temperature in October: 79.3°F

The warmest month (with the highest average high temperature) is September (79.9°F).
The month with the lowest average high temperature is February (73.9°F).

  • Average low temperature in October: 76.5°F

The month with the highest average low temperature is October (76.5°F).
The coldest months (with the lowest average low temperature) are February and March (70.7°F).

Average pressure in October
Wailuku, HI

Average pressure in October - Wailuku, HI
  • Average pressure in October: 29.97"Hg

The month with the highest atmospheric pressure is April (30.05"Hg).
The months with the lowest atmospheric pressure are September and October (29.97"Hg).

Average wind speed in October
Wailuku, HI

Average wind speed in October - Wailuku, HI
  • Average wind speed in October: 11.4mph

The windiest month (with the highest average wind speed) is June (13.6mph).
The calmest month (with the lowest average wind speed) is January (10.4mph).

Average humidity in October
Wailuku, HI

Average humidity in October - Wailuku, HI
  • Average humidity in October: 75%

The months with the highest relative humidity are July and August (76%).
The months with the lowest relative humidity are January and February (74%).

Average rainfall in October
Wailuku, HI

Average rainfall in October - Wailuku, HI
  • Average rainfall in October: 0.55"

The wettest months (with the highest rainfall) are March and December (0.87").
The driest month (with the least rainfall) is June (0.2").

Average rainfall days in October
Wailuku, HI

Average rainfall days in October - Wailuku, HI
  • Average rainfall days in October: 9 days

The month with the highest number of rainy days is March (11.9 days).
The month with the least rainy days is June (6.6 days).

Average daylight in October /
Average sunshine in October
Wailuku, HI

Average daylight in October / Average sunshine in October - Wailuku, HI
  • Average daylight in October: 11h and 4min

The month with the longest days is June (Average daylight: 13h and 24min).
The month with the shortest days is December (Average daylight: 10h and 54min).

  • Average sunshine in October: 8h and 1min

The month with the most sunshine is June (Average sunshine: 11h and 30min).
The month with the least sunshine is December (Average sunshine: 7h and 0min).

Average sunshine days in October
Wailuku, HI

Average sunshine days in October - Wailuku, HI
  • Average sunshine days in October: 17.1 days

The month with the most sunshine days is June (19.9 days).
The month with the least sunshine days is March (15.2 days).

Average UV index in October
Wailuku, HI

Average UV index in October - Wailuku, HI
  • Average UV index in October: 7

The months with the highest UV index are July, August, September and October (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, November and December (UV index 6).

Average cloud cover in October
Wailuku, HI

Average cloud cover in October - Wailuku, HI
  • Average cloud cover in October: 24

The month with the most cloud cover is March (Cloud cover 30).
The months with the least cloud cover are June and September (Cloud cover 21).

Average visibility in October
Wailuku, HI

Average visibility in October - Wailuku, HI
  • Average visibility in October: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

Wailuku, Hawaii, USA

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