October weather forecastKaunakakai, HI
October
Weather in October
October brings about a change in Kaunakakai's weather, with a slight dip in temperatures and an increase in rainfall to 0.94" (24mm). Nonetheless, temperatures and sea conditions remain inviting for outdoor activities and water sports. The noticeable change in the weather paves the way for the transitioning toward the year-end period. Despite these shifts, Hawaii continues to provide an array of activities to enjoy even in October. This month signifies the gradual transition from balmy summer months towards the end-of-year months.Temperature
Kaunakakai records an average high-temperature of a still moderately hot 79.9°F (26.6°C) in October, maintaining a close correlation with September's 80.2°F (26.8°C). In Kaunakakai, a slight decrease from the daytime peak is noted during the month of October, with an average low-temperature of 77.2°F (25.1°C).Humidity
The average relative humidity in October is 75%.Rainfall
In Kaunakakai, in October, it is raining for 11.8 days, with typically 0.94" (24mm) of accumulated precipitation. In Kaunakakai, during the entire year, the rain falls for 126.4 days and collects up to 9.84" (250mm) of precipitation.Ocean temperature
In Kaunakakai, in October, the average water temperature is 79.5°F (26.4°C).Note: Temperatures between 77°F (25°C) and 84.2°F (29°C) in water are ideal for swimming, diving, and other activities, providing enjoyment and comfort for extended durations.
Daylight
In October, the average length of the day is 11h and 39min.On the first day of the month, sunrise is at 6:19 am and sunset at 6:15 pm. On the last day of October, in Kaunakakai, sunrise is at 6:30 am and sunset at 5:52 pm HST.
Sunshine
In October, the average sunshine in Kaunakakai is 8.5h.UV index
The months with the highest UV index are June through October, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum daily UV index, 7 in October, converts into the following recommendations:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. Make an effort to avoid direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation, and note that objects like parasols or canopies might not offer full sun protection. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Stay aware! UV radiation is magnified when reflecting off sand and water.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Kaunakakai, HI
- Average high temperature in October: 79.9°F
The warmest months (with the highest average high temperature) are August and September (80.2°F).
The month with the lowest average high temperature is February (74.3°F).
- Average low temperature in October: 77.2°F
The months with the highest average low temperature are September and October (77.2°F).
The coldest month (with the lowest average low temperature) is March (71.2°F).
Average pressure in October
Kaunakakai, HI
- Average pressure in October: 29.97"Hg
The months with the highest atmospheric pressure are March and April (30.05"Hg).
The months with the lowest atmospheric pressure are September and October (29.97"Hg).
Average wind speed in October
Kaunakakai, HI
- Average wind speed in October: 11.4mph
The windiest month (with the highest average wind speed) is July (13.9mph).
The calmest month (with the lowest average wind speed) is January (10.8mph).
Average humidity in October
Kaunakakai, HI
- Average humidity in October: 75%
The months with the highest relative humidity are April, May, June, July and August (76%).
The months with the lowest relative humidity are January and November (74%).
Average rainfall in October
Kaunakakai, HI
- Average rainfall in October: 0.94"
The wettest month (with the highest rainfall) is March (1.3").
The driest month (with the least rainfall) is July (0.31").
Average rainfall days in October
Kaunakakai, HI
- Average rainfall days in October: 11.8 days
The month with the highest number of rainy days is March (13.2 days).
The month with the least rainy days is July (8.5 days).
Average sea temperature in October
Kaunakakai, HI
- Average sea temperature in October: 79.6°F
The best month for swimming (with the highest average sea temperature) is September (80.2°F).
The coldest month (with the lowest average sea temperature) is March (75.6°F).
Average daylight in October /
Average sunshine in October
Kaunakakai, 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 30min
The month with the most sunshine is June (Average sunshine: 11h and 30min).
The month with the least sunshine is December (Average sunshine: 6h and 48min).
Average sunshine days in October
Kaunakakai, HI
- Average sunshine days in October: 11.5 days
The month with the most sunshine days is July (16.1 days).
The month with the least sunshine days is November (10.8 days).
Average UV index in October
Kaunakakai, HI
- Average UV index in October: 7
The months with the highest UV index are June, July, August, September and October (UV index 7).
The months with the lowest UV index are January, February, March, April, May, November and December (UV index 6).
Average cloud cover in October
Kaunakakai, HI
- Average cloud cover in October: 24
The months with the most cloud cover are February and March (Cloud cover 30).
The month with the least cloud cover is September (Cloud cover 23).
Average visibility in October
Kaunakakai, 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).





