October weather forecast
Kapalua, HI

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Weather in October

October in Kapalua, Hawaii, ushers in the fall season with slight dips in temperature and increasing amounts of precipitation. Compared to September, rainfall tends towards a shallow upsurge by 0.12" (3mm). Though the duration of daylight continues on a downtrend, the amount of sunshine witnesses a nominal reduction. The dip in sea temperature is minimal in this month. The overall weather transforms slightly cooler, with both minimum and maximum temperatures tracing a downward gradient from the previous month.

Temperature

October's arrival shows an average high-temperature of a still warm 79.5°F (26.4°C), hardly different from the previous month. During the month of October, Kapalua's average nighttime temperature closely mirrors its daytime counterpart, at a still moderately hot 76.5°F (24.7°C).

Humidity

In Kapalua, the average relative humidity in October is 76%.

Rainfall

In Kapalua, during October, the rain falls for 8.7 days and regularly aggregates up to 0.55" (14mm) of precipitation. In Kapalua, during the entire year, the rain falls for 112.6 days and collects up to 7.91" (201mm) of precipitation.

Ocean temperature

The months with the warmest seawater are September and October, with an average ocean temperature of 80.6°F (27°C).
Note: Water temperature between 77°F (25°C) and 84.2°F (29°C) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.

Daylight

The average length of the day in October is 11h and 39min.
On the first day of October, sunrise is at 6:17 am and sunset at 6:14 pm. On the last day of the month, sunrise is at 6:29 am and sunset at 5:51 pm HST.

Sunshine

In October, the average sunshine is 8.1h.

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 radiation for the ordinary person.
Note: A typical high UV index of 7 in October suggests the following recommendations:
Prevent overexposure. Protection from the sun's harmful effects is needed. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Caution! The reflection of sand and water significantly amplifies the Sun's UV radiation.

Frequently asked questions

What is the average October temperature?

In Kapalua, in October, the average high-temperature is 79.5°F (26.4°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 76%.

How many days does it rain in October?

In Kapalua, during October, the rain falls for 8.7 days and regularly aggregates up to 0.55" (14mm) of precipitation.

What months are the ocean warmest?

September and October, with an average ocean temperature of 80.6°F (27°C), are months with the warmest seawater.

What is the ocean temperature in October?

In Kapalua, in October, the average water temperature is 80.6°F (27°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.

What is the average length of the day in October?

In October, the average day length is 11h and 39min.

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 6:14 pm. On the last day of the month, sunrise is at 6:29 am and sunset at 5:51 pm HST.

How long on average sun shines in October?

In Kapalua, the average sunshine duration in October is 8.1h.

When is the highest UV index?

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

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 health threat from unsafe exposure to Sun's UV rays.

Average temperature in October
Kapalua, HI

Average temperature in October - Kapalua, HI
  • Average high temperature in October: 79.5°F

The warmest month (with the highest average high temperature) is September (79.7°F).
The month with the lowest average high temperature is February (73.9°F).

  • Average low temperature in October: 76.5°F

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

Average pressure in October
Kapalua, HI

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

The month with the highest atmospheric pressure is April (30.06"Hg).
The months with the lowest atmospheric pressure are September and October (29.97"Hg).

Average wind speed in October
Kapalua, HI

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

The windiest month (with the highest average wind speed) is July (13.9mph).
The calmest month (with the lowest average wind speed) is January (10.6mph).

Average humidity in October
Kapalua, HI

Average humidity in October - Kapalua, HI
  • Average humidity in October: 76%

The month with the highest relative humidity is July (77%).
The months with the lowest relative humidity are January, February, March, September and November (75%).

Average rainfall in October
Kapalua, HI

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

The wettest month (with the highest rainfall) is March (1.1").
The driest month (with the least rainfall) is July (0.35").

Average rainfall days in October
Kapalua, HI

Average rainfall days in October - Kapalua, HI
  • Average rainfall days in October: 8.7 days

The month with the highest number of rainy days is March (13.4 days).
The month with the least rainy days is November (7.7 days).

Average sea temperature in October
Kapalua, HI

Average sea temperature in October - Kapalua, HI
  • Average sea temperature in October: 81°F

The best months for swimming (with the highest average sea temperature) are September and October (81°F).
The coldest months (with the lowest average sea temperature) are January, February, March and April (75°F).

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

Average daylight in October / Average sunshine in October - Kapalua, 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 12min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).

Average sunshine days in October
Kapalua, HI

Average sunshine days in October - Kapalua, HI
  • Average sunshine days in October: 18.4 days

The month with the most sunshine days is October (18.4 days).
The month with the least sunshine days is March (12.6 days).

Average UV index in October
Kapalua, HI

Average UV index in October - Kapalua, 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
Kapalua, HI

Average cloud cover in October - Kapalua, HI
  • Average cloud cover in October: 27

The month with the most cloud cover is March (Cloud cover 35).
The month with the least cloud cover is September (Cloud cover 25).

Average visibility in October
Kapalua, HI

Average visibility in October - Kapalua, 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).

Kapalua, Hawaii, USA

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