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
MAY 2016: temperature 77.5° (1° below avg. E, 2° above W); precipitation 0.2" (0.5" below avg.); May 1-11: Isolated showers; cool, then warm; May 12-31: Brief showers C+W, rainy periods E; cool C+E, warm W..
JUNE 2016: temperature 79° (0.5° below avg.); precipitation 0.4" (avg.); Jun 1-3: Scattered showers, cool; Jun 4-7: Sunny, cool C+E; showers W. 8-16 Isolated showers C+E, scattered t-storms W. 17-30 Isolated showers C, scattered t-storms E+W; cool.
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)