Kapaa (HI) Climate by Month
Kapaa maintains a fairly consistent warm average temperature.
It receives mid-range precipitation levels.
Let’s explore the climate details in depth to provide you with a complete overview.
Average day and night temperature
With minimal seasonal shifts, Kapaa experiences a constant climate year-round. Average daytime temperatures range from a comfortable 28°C in September, the warmest time of the year, to a comfortable 24°C during cooler months like February. At night, temperatures typically average around 20°C during these months.
The mean minimum and maximum temperatures throughout the year
Precipitation and rainy days
Generally, Kapaa receives mid-range precipitation levels, with 912 mm annually. Year-round, Kapaa has a balanced climate with minimal variation in precipitation. The difference between the wettest month, March, with 101 mm, and the driest month, September, with 65 mm, is minimal.The mean monthly precipitation over the year, including rain, hail and snow
The average number of days each month with precipitation
Sunshine over the year
While the amount of sunshine in Kapaa varies throughout the year, all seasons offer their own charm. Enjoy up to 8.8 hours of daily sun in August, and experience slightly darker atmosphere in December, with about 5.4 hours of daily sunlight.Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Average water temperature
The mean water temperature over the year in Kapaa ranges from 24°C in January to 27°C in August.
Water temperature over the year
Average humidity
The relative humidity is moderate throughout the year in Kapaa.
Relative humidity over the year
Average wind speed
The mean wind speed over the year in Kapaa ranges from 4°C in January to 5°C in March.
The mean monthly wind speed over the year (meters per second)
The best time of year to visit Kapaa in the United States of America
During the months of January, February, March, April, May and December you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.Other facts from our historical weather data:
September has an average maximum temperature of 28°C and is the warmest month of the year.
The coldest month is February with an average maximum temperature of 24°C.
March tops the wettest month list with 101 mm of rainfall.
September is the driest month with 65 mm of precipitation.
August is the sunniest month with an average of 263 hours of sunshine.
No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.
