October weather forecastKeanakolu, HI
October
Weather in October
October, the same as September, is another refreshing autumn month in Keanakolu, Hawaii, with temperature in the range of an average high of 65.5°F (18.6°C) and an average low of 58.5°F (14.7°C).Temperature
Keanakolu's entry into October measures an average high-temperature of a still enjoyable 65.5°F (18.6°C), closely parallel to the preceding month. Keanakolu registers an average low-temperature of 58.5°F (14.7°C) throughout October, a modest decrease from its daytime highs.Humidity
The months with the highest humidity are September and October, with an average relative humidity of 84%.Rainfall
In Keanakolu, in October, during 25.9 rainfall days, 3.82" (97mm) of precipitation is typically accumulated. Throughout the year, there are 280.8 rainfall days, and 33.9" (861mm) of precipitation is accumulated.Daylight
In Keanakolu, the average length of the day in October is 11h and 41min.On the first day of the month, sunrise is at 6:12 am and sunset at 6:09 pm. On the last day of October, in Keanakolu, Hawaii, sunrise is at 6:22 am and sunset at 5:47 pm HST.
Sunshine
In October, the average sunshine is 6.9h.UV index
May through October, with an average maximum UV index of 5, are months with the highest UV index. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for average individuals.Note: In October, a daily UV index of 5 turns into the following recommendations:
Adopt protective measures - It is advised to guard against sun damage. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Keanakolu, HI
- Average high temperature in October: 65.5°F
The warmest month (with the highest average high temperature) is August (67.5°F).
The month with the lowest average high temperature is March (61.9°F).
- Average low temperature in October: 58.5°F
The month with the highest average low temperature is September (59°F).
The coldest month (with the lowest average low temperature) is February (52°F).
Average pressure in October
Keanakolu, 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).
Average wind speed in October
Keanakolu, HI
- Average wind speed in October: 4.5mph
The windiest months (with the highest average wind speed) are July and August (5.5mph).
The calmest months (with the lowest average wind speed) are January, May and October (4.5mph).
Average humidity in October
Keanakolu, HI
- Average humidity in October: 84%
The months with the highest relative humidity are September and October (84%).
The month with the lowest relative humidity is February (78%).
Average rainfall in October
Keanakolu, HI
- Average rainfall in October: 3.82"
The wettest month (with the highest rainfall) is August (4.13").
The driest month (with the least rainfall) is June (1.57").
Average rainfall days in October
Keanakolu, HI
- Average rainfall days in October: 25.9 days
The month with the highest number of rainy days is September (27.3 days).
The month with the least rainy days is January (17.1 days).
Average daylight in October /
Average sunshine in October
Keanakolu, HI
- Average daylight in October: 11h and 42min
The month with the longest days is June (Average daylight: 13h and 18min).
The month with the shortest days is December (Average daylight: 11h and 0min).
- Average sunshine in October: 6h and 54min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 30min).
Average sunshine days in October
Keanakolu, HI
- Average sunshine days in October: 2.4 days
The month with the most sunshine days is January (9.7 days).
The month with the least sunshine days is September (0.8 days).
Average UV index in October
Keanakolu, HI
- Average UV index in October: 5
The months with the highest UV index are May, June, July, August, September and October (UV index 5).
The months with the lowest UV index are January, February, March, April, November and December (UV index 4).
Average cloud cover in October
Keanakolu, HI
- Average cloud cover in October: 41
The months with the most cloud cover are April and September (Cloud cover 43).
The month with the least cloud cover is January (Cloud cover 29).
Average visibility in October
Keanakolu, 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).





