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Waianae, Hawaii, gets 21 inches of rain per year. The US average is 39. Snowfall is 0 inches. The average US city gets 26 inches of snow per year. The number of days with any measurable precipitation is 28.

On average, there are 272 sunny days per year in Waianae, Hawaii. The July high is around 85 degrees. The January low is 66. Sperling's comfort index for Waianae is a 96 out of 100, where a higher score indicates a more comfortable year-around climate. The US average for the comfort index is 54. Our index is based on the total number of days annually within the comfort range of 70-80 degrees, and we also applied a penalty for days of excessive humidity.

  CLIMATEWaianae, HawaiiUnited States
  Rainfall (in.)  20.6339.2
  Snowfall (in.)  025.8
  Precipitation Days  27.6102
  Sunny Days  272205
  Avg. July High  85.486.1
  Avg. Jan. Low  65.622.6
  Comfort Index (higher=better)  9654
  UV Index  9.34.3
  Elevation ft.  1591,443

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Hawaii on a Budget - 6/10/2014
Hawaii on budget? It's true, it exists and it all occurs on Oahu’s overlooked Waianae Coast, the island’s dry side, where sunshine, low-cost properties and uncrowded... (Read More)

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Cost of Living - 2/5/2008
I have lived in Waianae for 15 years. The cost of living here is high, due to the use of gas, traveling back and forth; and the prices for everyday items like... (Read More)

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