Average temperature in Sunnyside (WA)
The mean minimum and maximum temperatures over the year in Sunnyside (Washington State), the United States of America.
- The months of May, June and September have nice average temperatures.
- On average, the warmest month(s) are July and August.
- On average, the warmest month is July with 33°C.
- On average, the coolest month is December with 3°C.
- The average annual maximum temperature is 18°C.
- The average annual minimum temperature is 4°C.
Forecast for Sunnyside (WA)
broken clouds and rain
broken clouds and rain
partly cloudy and no rain