Average temperature in Winthrop (WA)

The mean minimum and maximum temperatures over the year in Winthrop (Washington State), the United States of America.

• The months of May, June, August and September have nice average temperatures.
• On average, the warmest month(s) are July and August.
• Cold season / winter is in the months January and December.
• On average, the warmest month is July with 30°C.
• On average, the coolest month is December with -1°C.
• The average annual maximum temperature is 15°C.
• The average annual minimum temperature is 1°C.