October weather forecastKaaawa, HI
October
Weather in October
October, like September, in Kaaawa, Hawaii, is another warm autumn month, with an average temperature ranging between max 80.8°F (27.1°C) and min 76.1°F (24.5°C).Temperature
With October's arrival, Kaaawa's weather records an average high-temperature of a still warm 80.8°F (27.1°C), marking little difference from September's 81°F (27.2°C). A mean low-temperature of 76.1°F (24.5°C) is a distinguishing feature of October, indicating a slight dip from daytime highs.Heat index
The heat index value during October is estimated at a hot 86°F (30°C). If one continues to be active during exposure, it might cause tiredness and subsequent heat cramps.Consider that heat index readings are for situations in the shade and light wind. Direct sunlight can cause a surge in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', is found by incorporating humidity levels into the air temperature measurement. This effect is subjective, differing among individuals based on their physical activity and perception of heat, which can be influenced by factors like wind, clothing, and metabolic variances. Keep aware, the sun, when shining directly, can intensify the heat experience, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it's vital to remain hydrated, particularly during prolonged physical activities.
Humidity
February through April, July, August, October and December, with an average relative humidity of 76%, are the most humid months.Rainfall
In Kaaawa, during October, the rain falls for 17.5 days and regularly aggregates up to 1.73" (44mm) of precipitation. Throughout the year, there are 187.1 rainfall days, and 15.83" (402mm) of precipitation is accumulated.Ocean temperature
In Kaaawa, in October, the average water temperature is 79.3°F (26.3°C).Note: For engaging in any water activities, temperatures from 77°F (25°C) to 84.2°F (29°C) are viewed as outstanding and exceptionally pleasing for prolonged durations.
Daylight
In Kaaawa, the average length of the day in October is 11h and 38min.On the first day of the month, sunrise is at 6:22 am and sunset at 6:18 pm. On the last day of October, sunrise is at 6:34 am and sunset at 5:55 pm HST.
Sunshine
In October, the average sunshine in Kaaawa is 8.1h.UV index
January through June, October through December, with an average maximum UV index of 6, are months with the lowest UV index in Kaaawa. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 6 in October interprets into the following recommendations:
Ward off overexposure. Defence against solar harm is crucial. The Sun's UV radiation is most intense from 10 a.m. to 4 p.m. Try to avoid direct sun exposure during these hours. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Be alert! The reflection of water and sand augments UV radiation intensity.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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).
Average pressure in October
Kaaawa, 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
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).
Average humidity in October
Kaaawa, HI
- Average humidity in October: 76%
The months with the highest relative humidity are February, March, April, July, August, October and December (76%).
The months with the lowest relative humidity are January, May, June, September and November (75%).
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").
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).
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).
Average daylight in October /
Average sunshine in October
Kaaawa, HI
- Average daylight in October: 11h and 36min
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 48min).
- Average sunshine in October: 8h and 6min
The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 6h and 18min).
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).
Average UV index in October
Kaaawa, HI
- Average UV index in October: 6
The months with the highest UV index are July, August and September (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, October, November and December (UV index 6).
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).
Average visibility in October
Kaaawa, 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).





