Winthrop (WA) Precipitation: Average Monthly Rainfall and Snowfall
This graph shows the average amount of rainfall per month in Winthrop (Washington State). The numbers are calculated over a 30-year period to provide a reliable average.
- Winthrop has dry periods in April, July, August and September.
- On average, December is the wettest month with 69 mm of precipitation.
- On average, August is the driest month with 13 mm of precipitation.
- The average amount of annual precipitation is 391 mm.
Current rainfall in Winthrop (WA)
partly cloudy and no rain
broken clouds and no rain
broken clouds and no rain