Yellowstone National Park Precipitation: Average Monthly Rainfall and Snowfall
This graph shows the average amount of rainfall per month in Yellowstone National Park (). The numbers are calculated over a 30-year period to provide a reliable average.
- On average, March is the wettest month with 87 mm of precipitation.
- On average, July is the driest month with 27 mm of precipitation.
- The average amount of annual precipitation is 738 mm.
Current rainfall in Yellowstone National Park
broken clouds and slight rain
almost clear and no rain
almost clear and no rain