Average monthly snow and rainfall in Dumai (Sumatra) in millimeter
This is the mean monthly precipitation over the year, including rain, snow, hail etc.
Show average precipitation in Dumai in Inches »
- A lot of rain (rainy season) falls in the months: March, April, May, June, July, August, September, October, November and December.
- On average, November is the wettest month.
- On average, January is the driest month.
- The average amount of annual precipitation is: 999.9 mm (39.37 in)