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> Dominican Republic > San Juan > Precipitation
Rainfall/ Precipitation in San Juan, Dominican Republic
- San Juan receives 950.6 mm (37.4 in) of rainfall per year, or 79.2 mm (3.1 in) per month.
- The driest weather is in January when an average of 12.1 mm (0.5 in) of rainfall (precipitation) occurs.
- The wettest weather is in September when an average of 148.4 mm (5.8 in) of rainfall (precipitation) occurs.
Precipitation Table
| Climate Variable | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | Average Precipitation mm (in) | 12.1 (0.48) | 15.4 (0.6) | 31.2 (1.2) | 69.3 (2.7) | 141.5 (5.6) | 90.2 (3.6) | 108.3 (4.3) | 128.2 (5) | 148.4 (5.8) | 134.7 (5.3) | 53.1 (2.1) | 18.2 (0.7) | 950.6 (37.4) | |
 | Precipitation Litres/m² (Gallons/ft²) | 12.1 (0.3) | 15.4 (0.38) | 31.2 (0.77) | 69.3 (1.7) | 141.5 (3.47) | 90.2 (2.21) | 108.3 (2.66) | 128.2 (3.14) | 148.4 (3.64) | 134.7 (3.3) | 53.1 (1.3) | 18.2 (0.45) | 950.6 (23.32) |