Wailuku, Hawaii 

3 Reviews | Review This Place | Photos and Maps

Climate in Wailuku, Hawaii

Wailuku, Hawaii gets 32 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Wailuku averages 0 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 273 sunny days per year in Wailuku. The US average is 205 sunny days.

Wailuku gets some kind of precipitation, on average, 108 days per year. Precipitation is rain, snow, sleet, or hail that falls to the ground. In order for precipitation to be counted you have to get at least .01 inches on the ground to measure.

Weather Highlights

Summer High: the July high is around 86 degrees
Winter Low: the January low is 65
Rain: averages 32 inches of rain a year
Snow: averages 0 inches of snow a year


The annual BestPlaces Comfort Index for Wailuku is 8.6 (10=best), which means it is less comfortable than most places in Hawaii.

8.6 / 10
February, January and December are the most pleasant months in Wailuku, while August and September are the least comfortable months.

Climate Averages
  Wailuku, HawaiiUnited States
  32.0 in.38.1 in.
  0.0 in.27.8 in.
  108.3 days106.2 days
  273 days205 days
  259 ft.2443 ft.


Many people confuse weather and climate but they are different. Weather is the conditions of the atmosphere over a short period of time, and climate is how the atmosphere is over long periods of time.

Weather is how the atmosphere is behaving and its effects upon life and human activities. Weather can change from minute-to-minute. Most people think of weather in terms of temperature, humidity, precipitation, cloudiness, brightness, visibility, wind, and atmospheric pressure.

Climate is the description of the long-term pattern of weather in a place. Climate can mean the average weather for a particular region and time period taken over 30 years. Climate is the average of weather over time.

September is the hottest month for Wailuku with an average high temperature of 87.4°, which ranks it as warmer than most places in Hawaii. In Wailuku, there are 7 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Wailuku are January, February and March.

February has the coldest nighttime temperatures for Wailuku with an average of 64.4°. This is warmer than most places in Hawaii.

In Wailuku, there are 11.4 days annually when the high temperature is over 90°, which is hotter than most places in Hawaii.

In Wailuku, there are 0.0 days annually when the nighttime low temperature falls below freezing, which is one of the coldest places in Hawaii.

In Wailuku, there are 0.0 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Hawaii.

January is the wettest month in Wailuku with 4.6 inches of rain, and the driest month is June with 0.6 inches. The wettest season is Spring with 38% of yearly precipitation and 9% occurs in Autumn, which is the driest season. The annual rainfall of 32.0 inches in Wailuku means that it is drier than most places in Hawaii.

March is the rainiest month in Wailuku with 11.3 days of rain, and June is the driest month with only 5.9 rainy days. There are 108.3 rainy days annually in Wailuku, which is less rainy than most places in Hawaii. The rainiest season is Spring when it rains 29% of the time and the driest is Autumn with only a 20% chance of a rainy day.

There is rarely any recorded snowfall in Wailuku, ranking it as one of the least snowy places in Hawaii. Any measurable snowfall is a rare occurance in Wailuku.

  • Annual Rainfall (US Avg: 36.5")
Select Map Options
  • Annual Rainfall
  • Annual Snowfall
  • Precipitation Days
  • Sunny Days
  • July High Temp
  • January Low Temp
  • Reset Map

  • View More Data >

    Reviews for Wailuku    3 Reviews
    Weather - 9/16/2014
    You can't beat the weather here. If you like the 4 seasons the islands wouldn't be the place for you. ... Read More

    Start Your Review of Wailuku

    gasoline vs. jobs - 10/9/2008
    the tourist economy has fallen apart, major layoffs state wide. All major airlines getting close to pulling out of west coast market. Aloha and ATA both went out of... Read More

    Weather - 7/6/2006
    Wailuku is a beautiful place to live. The climate is wetter than the south side of Maui because we are next to the west Maui mountains. It will drizzle a little each... Read More

    View More Data >

    Compare Wailuku, Hawaii to any other place in the USA.

    Check out the latest Maps in a variety of categories including cost of living, population, and commute time.Wailuku,Hawaii Map

    15 Malihini Pl
    Bed 3 | Bath 2

    886 Pakele Pl
    Bed 2 | Bath 1

    784 Hoomau St
    Bed 3 | Bath 2

    463 Pualani St
    Bed 3 | Bath 1

    561 Anekona St
    Bed 3 | Bath 4

    285 Mamo Pl
    Bed 6 | Bath 2

    125 Lili Lehua St
    Bed 3 | Bath 3


    Members receive 10 FREE city profile downloads a month, unlimited access to our detailed cost of living calculator and analysis, unlimited access to our DataEngine, and more.

    Try Now
    Join BestPlaces