Complete 2016 Long Range Weather Forecast for the Hawaii Region, November 2015 to October 2016 includes week-by-week details. Digital Download.
Free 2-Month Weather Forecast
DECEMBER 2015: temperature 75° (avg.); precipitation 10.3" (7" above avg.); Dec 1-4: T-storms, warm; Dec 5-9: T-storms C, scattered showers E+W; warm; Dec 10-24: Rainy with heavy t-storms C, scattered t-storms E+W; warm, then cool; Dec 25-28: Sunny C+E, showers; cool; Dec 29-31: T-storms, cool.
JANUARY 2016: temperature 73° (avg.); precipitation 5.5" (3" above avg.); Jan 1-4: Rainy periods, heavy E; cool; Jan 5-9: Rain and heavy t-storms C+W, sunny E; turning warm; Jan 10-14: Scattered showers C, a few t-storms E+W; cool; Jan 15-18: Scattered showers, turning warm; Jan 19-28: A few t-storms, cool; Jan 29-31: Sunny, warm.
Annual Weather Summary: November 2015 to October 2016
Winter season temperatures will be below normal on the Big Island and Maui; near normal on Molokai, Oahu, Lanai, and Kahoolawe; and above normal on Kauai. The coolest periods will be in late December, early and mid-January, mid-February, and early March. Winter will be much rainier than normal, especially from November into mid-January.
April and May will be much rainier than normal, with temperatures close to normal.
Summer temperatures will be cooler than normal, on average, with slightly below-normal rainfall. The warmest period will be from the latter half of August into early September.
September and October temperatures will be slightly cooler than normal, with near-normal rainfall.
NOTE: Temperature and precipitation vary substantially based upon topography. The detailed forecast focuses on the Honolulu?Waikiki area and provides general trends elsewhere.
KEY: East (E), Central (C), West (W)