Monthly Average Rainy days in Bolu
The number of days each month with rain, snow and hail in Bolu (Black Sea Region Turkey), Turkey.
- On average, January is the most rainy with 14 days of rain/snow.
- On average, August is the driest month with 5 rainy days.
- The average annual number of rainy days is 132.
Current rainfall in Bolu
almost clear and no rain
overcast and heavy rain
overcast and heavy sleet