Honolulu (HI) Precipitation: Average Monthly Rainfall and Snowfall
This graph shows the average amount of rainfall per month in Honolulu (Hawaii). The numbers are calculated over a 30-year period to provide a reliable average.
- Honolulu has dry periods in June, July, August and September.
- On average, December is the wettest month with 55 mm of precipitation.
- On average, July is the driest month with 21 mm of precipitation.
- The average amount of annual precipitation is 426 mm.
Current rainfall in Honolulu (HI)
partly cloudy and no rain
partly cloudy and small chance of rain
partly cloudy and small chance of slight rain