San Juan Precipitation: Average Monthly Rainfall and Snowfall
This graph shows the average amount of rainfall per month in San Juan (Luzon). The numbers are calculated over a 30-year period to provide a reliable average.
- A lot of rain (rainy season) falls in the months: May, June, July, August, September, October, November and December.
- On average, August is the wettest month with 644 mm of precipitation.
- On average, January is the driest month with 58 mm of precipitation.
- The average amount of annual precipitation is 3106 mm.
Current rainfall in San Juan
partly cloudy and small chance of slight rain
partly cloudy and small chance of slight rain
partly cloudy and no rain