Monthly Average Rainy days in Ostional
The number of days each month with rain, snow and hail in Ostional (Guanacaste), Costa Rica.
- Most rainy days are in May, June, July, August, September and October.
- On average, September is the most rainy with 23 days of rain/snow.
- On average, March is the driest month with 5 rainy days.
- The average annual number of rainy days is 173.
Current rainfall in Ostional
Thu Nov 21
28°C | 22°C
NW 
14 km/h
14 km/h0.7 mm
partly cloudy and thunder
Fri Nov 22
28°C | 22°C
E 7 km/h
7 km/h2.8 mm
broken clouds and rain
Sat Nov 23
29°C | 23°C
NE 18 km/h
18 km/h
broken clouds and no rain
