The Average Temperatures & Rainfall in Hawaii

The Hawaiian archipelago is a string of 132 islands southwest of the continental United States. Hawaii's volcanoes, beaches, tropical flora and fauna and famously good weather attract an abundance of visitors each year.

  1. Seasons

    • Hawaii has two seasons each year: summer and winter. Each season lasts approximately six months. Summer begins between April and May and is the drier six months of the year. Winter, or the wet season, begins between October and November. Both seasons are generally warm.


    • Hawaii's temperatures remain fairly uniform throughout the year. The average daytime high at most beaches in summer is 85 degrees. The average daytime high in winter varies only slightly at 78 degrees. Temperatures may drop at night by 10 degrees. The main temperature variation usually depends upon elevation; the higher the elevation, the cooler the average temperature. The mountains, for example, only reach the 60s during the day, and can drop to the 40s at night.


    • Trade winds dictate Hawaii's rainfall. During the summer, the northeast trade winds help create a sunny, mild and dry climate. The trade winds disappear in winter, allowing a larger amount of rainfall and storms to affect different parts of Hawaii in different ways. While the average rainfall for the state rests at 70 inches per year, Hilo, a city on the "Big Island" of Hawaii, averages 180 inches per year, and Puako, only 60 miles away on the same island, averages less than 6 inches.

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  • Photo Credit hawaii image by csaba fikker from

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