San Juan Precipitation: Average Monthly Rainfall and Snowfall
This graph shows the average amount of rainfall per month in San Juan (San Juan Province). The numbers are calculated over a 30-year period to provide a reliable average.
- San Juan has dry periods in May, June, July, August and September.
- On average, December is the wettest month with 40 mm of precipitation.
- On average, June is the driest month with 12 mm of precipitation.
- The average amount of annual precipitation is 324 mm.
Current rainfall in San Juan
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clear and no rain
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