Monthly Average Rainy days in San Isidro
The number of days each month with rain, snow and hail in San Isidro (San José), Costa Rica.
- Most rainy days are in May, June, July, August, September, October, November and December.
- On average, August is the most rainy with 23 days of rain/snow.
- On average, March is the driest month with 8 rainy days.
- The average annual number of rainy days is 208.
Current rainfall in San Isidro
Sat Jan 11
30°C | 18°C
SW 
2 m/s
2 m/s3.9 mm
broken clouds and chance of rain
Sun Jan 12
27°C | 21°C
SW 2 m/s
2 m/s4.9 mm
broken clouds and chance of rain
Mon Jan 13
28°C | 18°C
SW 3 m/s
3 m/s3.8 mm
overcast and chance of rain
