Average monthly snow and rainfall in Honolulu (Hawaii) in millimeter
- Honolulu has dry periods in April, May, June, July, August and September.
- On average, December is the wettest month.
- On average, June is the driest month.
- The average amount of annual precipitation is: 440.0 mm (17.32 in)
Show average precipitation in Honolulu in Inches »
More climate information
Weather and Climate offers all the information you need to know about the climate in Honolulu.
We collected past weather data from many thousand weather stations around the world. So find on this website the historical weather averages in other cities in Hawaii and climate and forecast data for all other countries in the world.