Average humidity in Haiku (HI)
On this page you find more information about the monthly relative humidity over the year in Haiku (Maui), Hawaii.
Haiku's humidity levels vary throughout the year. The highest levels occur in January, reaching 78% (high), while the lowest is recorded in August at 69%.
Throughout the year, the average humidity in Haiku is 73%.
Humidity plays an important role in how temperatures are felt. During the warmest month, September, the maximum average temperature is around 28°C (82°F). Combined with high humidity during this period, the temperature can feel even warmer than the thermometer shows.
During the coldest month, February, the maximum average temperature is around 25°C (77°F). This period has high humidity. Check out our detailed temperature page for more information.
Haiku Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Haiku - and find the best time to visit.
Haiku 3-Day Forecast
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Haiku climate overview or explore weather in Hawaii.
Popular this month
Where to go in September - average daytime high across popular destinations.
Bucket list
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