Located on the coast, Honolulu has only two long seasons - summer and winter. Forecast: Humid, with a chance of heavy rain for Kauai and maybe Oahu Radar shows a line of heavy showers from a cold front over Kauai and Niihau. Humidity and temperatures combine to make this season feel warm. Daytime temperatures usually reach 29°C in Honolulu, Oahu, Hawaii in October with high heat and humidity, falling to 21°C at night. In the month of october, the mean temperature in Oahu (Honolulu) is 81°F (maximum temperature is 83°F and minimum temperature is 79°F). (Source: Hawaii … In the month of october, maximum temperature is 79°F and minimum temperature is 76°F (for an average temperature of 77°F). The most humid month is September with a monthly average humidity of 84% while the least humid is October with 76%. Relative humidity measures the actual amount of moisture in the air as a percentage of the maximum amount of moisture the air can hold. In the month of october, maximum temperature is 81°F and minimum temperature is 79°F (for an average temperature of 79°F). Hawaii weather in November is very warm and humid. Most of Hawaii has only two seasons – summer, from May to October, and winter, from November to April. And though November will see the start of the wet season in Hawaii, October still offers a beautiful climate. Weather in October » There is a margin of error and these forecasts are to be considered as general information only. There are normally 8 hours of bright sunshine each day in Honolulu, Oahu, Hawaii in October - that's 66% of daylight hours. In October, the average high-temperature is relatively the same as in September - a still warm 82.6°F (28.1°C). October is a transitional month, and it sees the rains rising to rain for an average of eleven days during the entire month with the rain gauge collecting an average of 0.8" (20.3mm). Traveling to Hawaii during October Weather, Crowds, & Prices for October. Hawaii Weather in August . Most of my clothes I packed felt horrible in the humidity and I don't want to make the same mistake again. In Honolulu in July, the morning humidity level is 67 percent while in the afternoon, it is 51 percent. The Hawaii sunrise & sunset times shown below are for Honolulu, Oahu. How sunny is it in Hawaii in October? *affiliate links: find out how we are funded and why this helps us remain free to use. Hawaii is a bucket-list destination for many reasons. You will be well dry throughout your trip!With good weather conditions, the month of october is a good month to go in Kahoolawe in Hawaii. On average, January is the most humid. Select a month to view Hawaii sunrise & sunset times for the next twelve months. Have been there in late October and enjoyed it. The tables give daily averages along with highest and lowest relative humidity levels. Head to The Valley Isle in Maui for its famous Hana Highway Route. Answer 1 of 8: Just trying work out what to pack. Hilo weather averages and climate Hilo, Hawaii. The climate quite pleasant in that area in october. Travel guide and advices. You are lucky: It is not perfect, however, the weather in Hawaii in september is, on average, good in Maui, Niihau, Kahoolawe, Oahu (Honolulu), Lanai, Kauai (Garden Isle) and Molokai. Average humidity in Hawaii is highest in the morning and decreases as the day wears on. The most important stat you need to look at when trying to figure out how "humid" it feels is not the relative humidity, but rather the dew point. Maui is famous for its multiple micro-climates, ranging from dry and desert-like to humid and verdant. Many visitors to Kona, Hawaii (The Big Island) favor certain seasons over others. Hawaii - Hawaii - Climate: Hawaii lies just below the Tropic of Cancer, and its mild tropical climate is considered by many people to be the world’s ideal. The maximum dew point (an indicator of humidity) in Hawaii in October is 21° which is very humid and quite uncomfortable for most unless you are on a beach. The island of Hawaii for example hosts 4 (out of 5 in total) climate groups on a surface as small as 4,028 square miles (10,430 km 2) according to the Köppen climate types: tropical, arid, temperate and polar. We are in Hawaii from Sept 26 to October 12. The average sea temperature around Honolulu, Oahu, Hawaii in October is 27°C. By October, many people are already suffering from the fall blues. warning in october the weather is not the same depending on the city and regions of the country.On the month of october the weather is just perfect in Hawaii, however, only part of the territory is concerned, ie cities of Oahu (Honolulu) and Lanai. If you're looking for somewhere affordable to stay why not try the Grand Bay Suites, located less than 200m away from Grand Baie Beach. 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