October weather forecast and climate
Kaaawa, HI

Weather in October

October, the same as September, is another warm autumn month in Kaaawa, Hawaii, with average temperature fluctuating between 80.8°F (27.1°C) and 76.1°F (24.5°C).

Temperature

In October, the average high-temperature is almost the same as in September - a still warm 80.8°F (27.1°C). The average low-temperature, in October, is 76.1°F (24.5°C).

Heat index

The average heat index in October is computed to be 85.3°F (29.6°C). Constant exposure and activity lead to possible fatigue. Prolonged exercise may result in heat cramps.
Take into consideration that the heat index values are calculated for shade and light wind conditions. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature', 'feels like', 'felt air temperature', or 'real feel', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. This effect is subjective, depending on the activity and individual's heat perception influenced by various reasons (differences in body mass, height, and shape, metabolic differences, pregnancy). Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.

Humidity

February through April, July, August, October and December, with an average relative humidity of 76%, are most humid months in Kaaawa, Hawaii.

Rainfall

In October, the rain falls for 17.5 days. Throughout October, 1.73" (44mm) of precipitation is accumulated. In Kaaawa, Hawaii, during the entire year, the rain falls for 187.1 days and collects up to 15.83" (402mm) of precipitation.

Ocean temperature

In October, the average ocean temperature is 79.3°F (26.3°C).
Note: 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.

Daylight

The average length of the day in October is 11.6h.

Sunshine

In October, the average sunshine is 8.1h.

UV index

Months with the lowest UV index are January through June, October through December, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to the Sun's UV rays for ordinary individuals.
Note: In October, the average maximum UV index of 6 translate into the following recommendations:
Take precautions and utilize sun safety practices. Protection against the skin and eye damage is required. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Beware! The strength of the UV rays is significantly increased by the reflection of the water and sand.
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FAQ

What is the temperature in October in Kaaawa?

In October, in Kaaawa, Hawaii, the average high-temperature is 80.8°F (27.1°C), and the average low-temperature is 76.1°F (24.5°C). The average heat index (a.k.a. 'feels like', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, in October is computed to be 85.3°F (29.6°C).

What is the most humid month in Kaaawa?

Months with the highest humidity are February through April, July, August, October and December, with an average relative humidity of 76%.

What is the average humidity in October in Kaaawa?

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

How many days does it rain in October in Kaaawa?

In Kaaawa, Hawaii, during October, the rain falls for 17.5 days and regularly aggregates up to 1.73" (44mm) of precipitation.

How warm is the water in October in Kaaawa?

In Kaaawa, the average seawater temperature in October 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 Kaaawa have in October?

The average length of the day in October in Kaaawa, Hawaii, is 11.6h.

How long on average sun shines in October in Kaaawa?

The average sunshine in October in Kaaawa, Hawaii, is 8.1h.

What is the month with the lowest UV index in Kaaawa?

January through June, October through December, with an average maximum UV index of 6, are months with the lowest UV index.

What is the UV index intensity in October in Kaaawa?

In Kaaawa, Hawaii, the average daily maximum UV index in October is 6. A UV Index value of 6 to 7 symbolizes a high health threat from unprotected exposure to the UV radiation.

Average temperature in October
Kaaawa, HI

Average temperature in October - Kaaawa, HI
  • Average high temperature in October: 80.8°F

The warmest months (with the highest average high temperature) are August and September (81°F).
The month with the lowest average high temperature is February (74.3°F).

  • Average low temperature in October: 76.1°F

The month with the highest average low temperature is August (76.6°F).
The coldest month (with the lowest average low temperature) is February (69.6°F).

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Average pressure in October
Kaaawa, HI

Average pressure in October - Kaaawa, HI
  • Average pressure in October: 29.97"

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

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Average wind speed in October
Kaaawa, HI

Average wind speed in October - Kaaawa, HI
  • Average wind speed in October: 10.6mph

The windiest month (with the highest average wind speed) is July (13.5mph).
The calmest month (with the lowest average wind speed) is January (10.3mph).

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Average humidity in October
Kaaawa, HI

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

Months with the highest relative humidity are February, March, April, July, August, October and December (76%).
Months with the lowest relative humidity are January, May, June, September and November (75%).

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Average rainfall in October
Kaaawa, HI

Average rainfall in October - Kaaawa, HI
  • Average rainfall in October: 1.73"

The wettest month (with the highest rainfall) is March (2.01").
The driest month (with the least rainfall) is July (0.71").

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Average rainfall days in October
Kaaawa, HI

Average rainfall days in October - Kaaawa, HI
  • Average rainfall days in October: 17.5 days

The month with the highest number of rainy days is March (18.3 days).
The month with the least rainy days is June (13.5 days).

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Average sea temperature in October
Kaaawa, HI

Average sea temperature in October - Kaaawa, HI
  • Average sea temperature in October: 79.3°F

The best month for swimming (with the highest average sea temperature) is September (80.1°F).
The coldest month (with the lowest average sea temperature) is March (75°F).

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

Average daylight in October / Average sunshine in October - Kaaawa, HI
  • Average daylight in October: 11.6h

The month with the longest days is June (Average daylight: 13.4h).
The month with the shortest days is December (Average daylight: 10.8h).

  • Average sunshine in October: 8.1h

The month with the most sunshine is June (Average sunshine: 10.7h).
The month with the least sunshine is December (Average sunshine: 6.3h).

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Average sunshine days in October
Kaaawa, HI

Average sunshine days in October - Kaaawa, HI
  • Average sunshine days in October: 7.2 days

The month with the most sunshine days is June (12.2 days).
The month with the least sunshine days is April (6.5 days).

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Average UV index in October
Kaaawa, HI

Average UV index in October - Kaaawa, HI
  • Average UV index in October: 6

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

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Average cloud cover in October
Kaaawa, HI

Average cloud cover in October - Kaaawa, HI
  • Average cloud cover in October: 35

The month with the most cloud cover is March (Cloud cover 41).
The month with the least cloud cover is September (Cloud cover 32).

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Average visibility in October
Kaaawa, HI

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

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

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