October weather forecast
Kahului, HI

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Weather in October

Moving on to October, there is a minor dip in the temperatures, now spanning from 76.5°F (24.7°C) to 79.3°F (26.3°C). The trend of gentle winds caressing the city persists, and the overall humidity remains, well, unchanging. In spite of the weather showing initial signs of a cooler period ahead, the sunshine hours are more than enough to keep the surroundings warm. Hawaii's charm doesn't let up, despite the slight rise in rainfall frequency.

Temperature

With the advent of October, Kahului's high-temperatures adjust to a still warm 79.3°F (26.3°C), closely aligning with the preceding month. Kahului documents an average low-temperature of 76.5°F (24.7°C) for the nights of October.

Humidity

The average relative humidity in October is 75%.

Rainfall

In October, the rain falls for 9 days. Throughout October, 0.55" (14mm) of precipitation is accumulated. Throughout the year, there are 103.4 rainfall days, and 6.57" (167mm) of precipitation is accumulated.

Ocean temperature

In Kahului, Hawaii, the average seawater temperature in October is 79.3°F (26.3°C).
Note: Swimming, diving, and other water endeavors at temperatures between 77°F (25°C) and 84.2°F (29°C) are considered enjoyable and satisfying for extended periods without discomfort.

Daylight

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

Sunshine

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 reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for the ordinary person.
Note: In October, the maximum UV index of 7 suggests these recommendations:
Follow precautions and abide by sun safety rules. Deterrence of sunburn is imperative. The hours from 10 a.m. to 4 p.m. have the most intense UV radiation. As much as possible, limit direct sun exposure during this period. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Be attentive! The UV exposure is heightened with reflections from sand and water.

Frequently asked questions

What is the usual temperature for Kahului in October?

In October, in Kahului, the average high-temperature is 79.3°F (26.3°C), and the average low-temperature is 76.5°F (24.7°C).

What is the average humidity in October?

In October, the average relative humidity is 75%.

How much does it rain in October?

In Kahului, in October, it is raining for 9 days, with typically 0.55" (14mm) of accumulated precipitation.

How warm is the water in October?

In October, the average ocean temperature is 79.3°F (26.3°C). For swimming, diving, and other water activities, temperatures between 77°F (25°C) and 84.2°F (29°C) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

How many hours of daylight does Kahului have in October?

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

What time are sunrise and 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 many hours of sunshine does Kahului have in October?

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

What is the month with the highest UV index?

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

What is the UV index intensity in October?

The average daily maximum UV index in October is 7. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to UV radiation.

Average temperature in October
Kahului, HI

Average temperature in October - Kahului, 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
Kahului, HI

Average pressure in October - Kahului, 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
Kahului, HI

Average wind speed in October - Kahului, 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
Kahului, HI

Average humidity in October - Kahului, 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
Kahului, HI

Average rainfall in October - Kahului, 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
Kahului, HI

Average rainfall days in October - Kahului, 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 sea temperature in October
Kahului, HI

Average sea temperature in October - Kahului, HI
  • Average sea temperature in October: 79.4°F

The best month for swimming (with the highest average sea temperature) is September (80°F).
The coldest month (with the lowest average sea temperature) is March (75.6°F).

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

Average daylight in October / Average sunshine in October - Kahului, 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
Kahului, HI

Average sunshine days in October - Kahului, 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
Kahului, HI

Average UV index in October - Kahului, 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
Kahului, HI

Average cloud cover in October - Kahului, 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
Kahului, HI

Average visibility in October - Kahului, 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).

Kahului, Hawaii, USA

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