October is a hot and rainy time for sunbathing in Hawaii Island. October is an excellent month for swimming in Hawaii Island with very warm sea temperatures. Consider visiting Hawaii Island in the months of June, July, August, September, for the best beach weather. Also consider one of our other suggestions for October.
The average maximum temperature in Hawaii Island in October is 29°. The average maximum temperature is 29° in the previous month and 28° in the next month.
The average temperature in Hawaii Island in October is 26°. The average temperature ranges is 26° in the previous month and 25° in the next month.
The average minimum temperature in Hawaii Island in October is 22°. The minimum temperature is 23° in the previous month and 21° in the next month.
The average day light hours per day in Hawaii Island in October are 11.7 and there are 6.9 hours of sunshine per day on average during October making it a quite sunny month with some cloud cover.
The ultraviolet index in Hawaii Island in October is typically 10.1 during October. An ultraviolet index reading of 8 to 10 indicates a very high risk of harm from unprotected sun exposure. Unprotected skin risks burning in less than 15 minutes. Take extra precautions because unprotected skin and eyes will be damaged and can burn quickly. Tanning will be safest before 10am and after 4pm but only with a good application of sun screen. For those with sensitive skin stay in the shade and wear protective clothing, a wide-brimmed hat, and UV-blocking sunglasses. Generously apply broad spectrum SPF 30+ sunscreen every 2 hours, even on cloudy days. Watch out for relections from water that may increase ultraviolet exposure.
The average sea water temperature in Hawaii Island in October is 27° which is very warm and ideal for relaxing and swimming for the whole day.
The average total rainfall in Hawaii Island in October is 77.4cm and on average there are 13 rainy days in October making it a wet time to visit the beach.
The maximum dew point (an indicator of humidity) in Hawaii Island in October is 21° which is very humid and quite uncomfortable for most unless you are on a beach. At night you would most likely require a fan. The dew point is 21° in the previous month and 21° in the next month.
The average maximum relative humidity in Hawaii Island in October is typically 81.3%. The maximum relative humidity is 80.2% in the previous month and 82.3% in the next month.
The average relative humidity in Hawaii Island in October is typically 69.5%. The average relative humidity is 67.9% in the previous month and 70.2% in the next month.
The average maximum wind speed in Hawaii Island in October is typically 22kmh. The average maximum wind speed is 23kmh in the previous month and 22kmh in the next month.
The average wind speed in Hawaii Island in October is typically 10kmh. The average wind speed is 11kmh in the previous month and 10kmh in the next month.
The average wind direction in Hawaii Island in October is from the South-Southwest.
