Saint Helens (OR) Precipitation: Average Monthly Rainfall and Snowfall
This graph shows the average amount of rainfall per month in Saint Helens (Oregon). The numbers are calculated over a 30-year period to provide a reliable average.
- A lot of rain (rainy season) falls in the months: January, February, March, November and December.
- Saint Helens has dry periods in July and August.
- On average, December is the wettest month with 198 mm of precipitation.
- On average, July is the driest month with 12 mm of precipitation.
- The average amount of annual precipitation is 1096 mm.
Current rainfall in Saint Helens (OR)
partly cloudy and rain
broken clouds and rain
overcast and rain