October weather forecast
Waimanalo Beach, HI

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Weather in October

October, like September, in Waimanalo Beach, Hawaii, is another warm autumn month, with temperature in the range of an average high of 80.4°F (26.9°C) and an average low of 77°F (25°C).

Temperature

The advent of October observes an average high-temperature of a still warm 80.4°F (26.9°C), nearly identical to September's 80.6°F (27°C). Throughout October, a modest shift from daytime highs is anticipated in Waimanalo Beach, with an average low-temperature of 77°F (25°C).

Humidity

In October, the average relative humidity is 75%.

Rainfall

In Waimanalo Beach, during October, the rain falls for 16.5 days and regularly aggregates up to 1.46" (37mm) of precipitation. In Waimanalo Beach, during the entire year, the rain falls for 169.9 days and collects up to 13.15" (334mm) of precipitation.

Ocean temperature

In October, the average ocean temperature in Waimanalo Beach is 80.1°F (26.7°C).
Note: With water temperature from 77°F (25°C) to 84.2°F (29°C), all water activities are comfortable and delightful, devoid of discomfort even for lengthened periods.

Daylight

In Waimanalo Beach, the average length of the day in October is 11h and 39min.
On the first day of October in Waimanalo Beach, sunrise is at 6:22 am and sunset at 6:18 pm. On the last day of the month, sunrise is at 6:33 am and sunset at 5:54 pm HST.

Sunshine

In October, the average sunshine in Waimanalo Beach, Hawaii, is 8.5h.

UV index

The months with the highest UV index are July through October, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for the average person.
Note: A maximum high UV index of 7 in October translates into the following recommendations:
Use protective steps and abide by sun safety guidelines. Safeguarding against skin and eye harm is necessary. Between 10 a.m. and 4 p.m., the Sun's UV radiation is at its peak. Limit your exposure to direct sunlight during these hours. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Note! Reflective surfaces like sand and water heighten the UV radiation levels.
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Frequently asked questions

What are the temperatures in Waimanalo Beach in October?

The high-temperature in Waimanalo Beach during October is 80.4°F (26.9°C) and the low-temperature is 77°F (25°C). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which factors the actual air temperature with the relative humidity, in September is evaluated at 84.2°F (29°C).

What is the average humidity in October in Waimanalo Beach?

In Waimanalo Beach, the average relative humidity in October is 75%.

How many days does it rain in October in Waimanalo Beach?

In Waimanalo Beach, Hawaii, in October, it is raining for 16.5 days, with typically 1.46" (37mm) of accumulated precipitation.

What is the ocean temperature in October in Waimanalo Beach?

In October, the average ocean temperature in Waimanalo Beach, Hawaii, is 80.1°F (26.7°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.

What is the average length of the day in October in Waimanalo Beach?

The average day length in October is 11h and 39min.

What time are sunrise and sunset in October in Waimanalo Beach?

On the first day of October in Waimanalo Beach, Hawaii, sunrise is at 6:22 am and sunset at 6:18 pm. On the last day of the month, sunrise is at 6:33 am and sunset at 5:54 pm HST.

How long on average sun shines in October in Waimanalo Beach?

In October, the average sunshine duration is 8.5h.

When is the highest UV index in Waimanalo Beach?

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

What is the UV index reading in October in Waimanalo Beach?

In Waimanalo Beach, Hawaii, the average daily maximum UV index in October is 7. A UV Index of 6 to 7 symbolizes a high hazard to health from 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
Waimanalo Beach, HI

Average temperature in October - Waimanalo Beach, HI
  • Average high temperature in October: 80.4°F

The warmest month (with the highest average high temperature) is September (80.6°F).
The month with the lowest average high temperature is February (74.5°F).

  • Average low temperature in October: 77°F

The months with the highest average low temperature are September and October (77°F).
The coldest month (with the lowest average low temperature) is February (70.5°F).

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Average pressure in October
Waimanalo Beach, HI

Average pressure in October - Waimanalo Beach, 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).

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Average wind speed in October
Waimanalo Beach, HI

Average wind speed in October - Waimanalo Beach, HI
  • Average wind speed in October: 11.2mph

The windiest month (with the highest average wind speed) is July (14.1mph).
The calmest month (with the lowest average wind speed) is January (10.7mph).

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Average humidity in October
Waimanalo Beach, HI

Average humidity in October - Waimanalo Beach, HI
  • Average humidity in October: 75%

The months with the highest relative humidity are April, June, July, August and December (76%).
The months with the lowest relative humidity are January and November (74%).

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Average rainfall in October
Waimanalo Beach, HI

Average rainfall in October - Waimanalo Beach, HI
  • Average rainfall in October: 1.46"

The wettest month (with the highest rainfall) is March (1.69").
The driest month (with the least rainfall) is July (0.55").

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Average rainfall days in October
Waimanalo Beach, HI

Average rainfall days in October - Waimanalo Beach, HI
  • Average rainfall days in October: 16.5 days

The month with the highest number of rainy days is March (16.9 days).
The month with the least rainy days is June (11.3 days).

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Average sea temperature in October
Waimanalo Beach, HI

Average sea temperature in October - Waimanalo Beach, HI
  • Average sea temperature in October: 80°F

The best month for swimming (with the highest average sea temperature) is September (80.4°F).
The coldest month (with the lowest average sea temperature) is March (75.7°F).

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Average daylight in October /
Average sunshine in October
Waimanalo Beach, HI

Average daylight in October / Average sunshine in October - Waimanalo Beach, 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 3min

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 36min).

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Average sunshine days in October
Waimanalo Beach, HI

Average sunshine days in October - Waimanalo Beach, HI
  • Average sunshine days in October: 7 days

The month with the most sunshine days is June (13.6 days).
The months with the least sunshine days are March and November (6.6 days).

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Average UV index in October
Waimanalo Beach, HI

Average UV index in October - Waimanalo Beach, 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
Waimanalo Beach, HI

Average cloud cover in October - Waimanalo Beach, HI
  • Average cloud cover in October: 30

The month with the most cloud cover is March (Cloud cover 36).
The month with the least cloud cover is September (Cloud cover 27).

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Average visibility in October
Waimanalo Beach, HI

Average visibility in October - Waimanalo Beach, 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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Waimanalo Beach, Hawaii, USA

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