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2015 Long-Range Weather Forecast for Kahului, Hawaii

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(Nov. 2014 - Oct. 2015)

Complete 2015 Long-Range Weather Forecast for the Hawaii Region, November 2014 to October 2015 includes week-by-week details.

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Map showing long-range weather ragion

AUGUST 2015: temperature 80.5° (1° below avg.); precipitation 3.6" (3" above avg.); Aug 1-11: Showers; warm, then cool; Aug 12-17: Daily showers; cool E, warm W. 18-23 Scattered showers, warm E; tropical storm threat C+W, heavy rains and t-storms; Aug 24-31: Daily showers; warm E+W, cool C..

SEPTEMBER 2015: temperature 81° (0.5° below avg.); precipitation 1.8" (1" above avg.); Sep 1-6: Scattered showers; cool E, warm W. 7-19 Showers; warm E+W, cool C. 20-26 Scattered showers, cool E+W; sunny, very warm C. 27-30 Daily showers E+C, scattered showers W; seasonable.

Annual Weather Summary: November 2014 to October 2015

Winter temperatures will be near or slightly above normal, with the coolest periods in late December, early and mid-January, and early and mid-February. Rainfall will be greater than normal on Oahu, Lanai, and Molokai, but below normal elsewhere.

April and May will be rainier than normal, especially on the Big Island. Temperatures will be near or slightly above normal.

Summer temperatures will be near normal, with the hottest periods in mid- and late July. Rainfall will be above normal, with a tropical storm threat in mid- to late August.

September and October temperatures will be slightly cooler than normal, with above-normal rainfall.

KEY: East (E), Central (C), West (W)

Temperature and Precipitation November 2014 to October 2015

Temperature and Precipitation Graph

See Long-Range Weather Forecasts for major cities in Hawaii.

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