Hawaii Weather in DecemberThe evenings can get a little chilly, and it is not uncommon to see the temperatures dip into the upper 60s. Although it might seem a little cold for the Pacific, it is nothing a light jacket or sweater won't take care of quickly. December is the rainiest month in Hawaii.
What are Hawaii winters like?
Hawaii only has two seasons: summer and winter. Summer in the islands is characterized by warmer temperatures ranging from 75 – 85 Fahrenheit, a fairly dry climate, and a calmer ocean. Winter in Hawaii is cooler (65 – 75°), wetter, and has a larger, rougher surf.
Is Hawaii warm at Christmas?
Early December in Honolulu sees temperatures as warm as the low 80s. Air temperatures vary by about eight to ten degrees from daytime to nighttime year-round in Hawaii. You will find the average temperatures slightly warmer overall in the summer months, along with the ocean temperatures.