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

October in Kahului welcomes an average high-temperature of a still moderately hot 79.3°F (26.3°C), not much different from the preceding month. Nighttime temperatures hover around an average low of 76.5°F (24.7°C) in October, a slight descent from daytime highs.

Humidity

In October, the average relative humidity is 75%.

Rainfall

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

Ocean temperature

In October, the average ocean temperature is 79.3°F (26.3°C).
Note: In water temperatures ranging between 77°F (25°C) and 84.2°F (29°C), activities such as swimming and diving become highly pleasurable for long durations.

Daylight

The average length of the day in October in Kahului 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

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

UV index

July through October, with an average maximum UV index of 7, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: The UV index of 7 during October translates into the following guidance:
Stand by precautions and apply sun safety measures. Evading sunburn is of great importance. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Alert! The Sun's UV rays are heightened by the reflection of sand and water.
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Frequently asked questions

What is the usual temperature for Kahului in October?

Kahului in October has an average high-temperature of 79.3°F (26.3°C) and an average low-temperature of 76.5°F (24.7°C).

What is the average humidity in October in Kahului?

The average relative humidity in October in Kahului, Hawaii, is 75%.

How many days does it rain in October in Kahului?

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

What is the water temperature in October in Kahului?

In Kahului, Hawaii, in October, the average water temperature is 79.3°F (26.3°C). For any water activity, surface water temperatures between 77°F (25°C) and 84.2°F (29°C) are considered as excellent and extremely pleasant for lengthened periods.

How many hours of daylight does Kahului have in October?

In October, the average day length in Kahului, Hawaii, is 11h and 40min.

When are sunrise and sunset in October in Kahului?

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, in Kahului, sunrise is at 6:28 am and sunset at 5:50 pm HST.

How long on average sun shines in October in Kahului?

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

What are the months with the highest UV index in Kahului?

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

What is the UV index intensity in October in Kahului?

In October, the average daily maximum UV index is 7. A UV Index reading of 6 to 7 represents a high hazard to health from exposure to Sun's UV rays.

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).

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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).

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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).

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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%).

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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").

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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).

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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).

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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).

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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).

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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).

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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).

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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).

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Kahului, Hawaii, USA

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