October weather forecastKahului, HI
October
Weather in October
Moving on to October, there is a minor dip in the temperatures, now spanning from 76.5°F (24.7°C) to 79.3°F (26.3°C). The trend of gentle winds caressing the city persists, and the overall humidity remains, well, unchanging. In spite of the weather showing initial signs of a cooler period ahead, the sunshine hours are more than enough to keep the surroundings warm. Hawaii's charm doesn't let up, despite the slight rise in rainfall frequency.Temperature
With the advent of October, Kahului's high-temperatures adjust to a still warm 79.3°F (26.3°C), closely aligning with the preceding month. Kahului documents an average low-temperature of 76.5°F (24.7°C) for the nights of October.Humidity
The average relative humidity in October is 75%.Rainfall
In October, the rain falls for 9 days. Throughout October, 0.55" (14mm) of precipitation is accumulated. Throughout the year, there are 103.4 rainfall days, and 6.57" (167mm) of precipitation is accumulated.Ocean temperature
In Kahului, Hawaii, the average seawater temperature in October is 79.3°F (26.3°C).Note: Swimming, diving, and other water endeavors at temperatures between 77°F (25°C) and 84.2°F (29°C) are considered enjoyable and satisfying for extended periods without discomfort.
Daylight
The average length of the day in October is 11h and 40min.On the first day of the month, sunrise is at 6:17 am and sunset at 6:13 pm. On the last day of October, sunrise is at 6:28 am and sunset at 5:50 pm HST.
Sunshine
The average sunshine in October is 8.2h.UV index
The months with the highest UV index are July through October, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: In October, the maximum UV index of 7 suggests these recommendations:
Follow precautions and abide by sun safety rules. Deterrence of sunburn is imperative. The hours from 10 a.m. to 4 p.m. have the most intense UV radiation. As much as possible, limit direct sun exposure during this period. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Be attentive! The UV exposure is heightened with reflections from sand and water.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Kahului, HI
- Average high temperature in October: 79.3°F
The warmest month (with the highest average high temperature) is September (79.9°F).
The month with the lowest average high temperature is February (73.9°F).
- Average low temperature in October: 76.5°F
The month with the highest average low temperature is October (76.5°F).
The coldest months (with the lowest average low temperature) are February and March (70.7°F).
Average pressure in October
Kahului, 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
Kahului, HI
- Average wind speed in October: 11.4mph
The windiest month (with the highest average wind speed) is June (13.6mph).
The calmest month (with the lowest average wind speed) is January (10.4mph).
Average humidity in October
Kahului, HI
- Average humidity in October: 75%
The months with the highest relative humidity are July and August (76%).
The months with the lowest relative humidity are January and February (74%).
Average rainfall in October
Kahului, HI
- Average rainfall in October: 0.55"
The wettest months (with the highest rainfall) are March and December (0.87").
The driest month (with the least rainfall) is June (0.2").
Average rainfall days in October
Kahului, HI
- Average rainfall days in October: 9 days
The month with the highest number of rainy days is March (11.9 days).
The month with the least rainy days is June (6.6 days).
Average sea temperature in October
Kahului, HI
- Average sea temperature in October: 79.4°F
The best month for swimming (with the highest average sea temperature) is September (80°F).
The coldest month (with the lowest average sea temperature) is March (75.6°F).
Average daylight in October /
Average sunshine in October
Kahului, HI
- Average daylight in October: 11h and 42min
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 12min
The month with the most sunshine is June (Average sunshine: 11h and 30min).
The month with the least sunshine is December (Average sunshine: 7h and 0min).
Average sunshine days in October
Kahului, HI
- Average sunshine days in October: 17.1 days
The month with the most sunshine days is June (19.9 days).
The month with the least sunshine days is March (15.2 days).
Average UV index in October
Kahului, 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
Kahului, HI
- Average cloud cover in October: 24
The month with the most cloud cover is March (Cloud cover 30).
The months with the least cloud cover are June and September (Cloud cover 21).
Average visibility in October
Kahului, 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).
