Average monthly rainy days in Helsinki
The number of days each month with rain, snow and hail in Helsinki (Southern Finland), Finland.
- Most rainy days are in January, February, March, August, September, October, November and December.
- On average, December is the most rainy with 21 days of rain/snow.
- On average, May is the driest month with 10 rainy days.
- The average annual number of rainy days is 192.
Weather Forecasts for Helsinki
overcast and snow
overcast and no rain
overcast and rain