Average monthly snow and rainfall in Winthrop (WA)
The mean monthly precipitation over the year in Winthrop (Washington State), including rain, snow, hail.
- 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.
Forecast for Winthrop (WA)
Tue May 21
18°C | 5°C
W 
11 km/h
11 km/h
broken clouds and no rain
Wed May 22
17°C | 9°C
W 7 km/h
7 km/h13 mm
overcast and heavy rain
Thu May 23
24°C | 10°C
W 11 km/h
11 km/h
partly cloudy and no rain
