weather in puyallup, washington fahrenheit
Puyallup, WA Weather. Puyallup, WA climate is mild during summer when temperatures tend to be in the 60's and cold during winter when temperatures tend to be in the 40's. The warmest month of the year is August with an average maximum temperature of 78.40 degrees Fahrenheit, while the coldest month of the year is January with an average minimum temperature of 32.90 degrees Fahrenheit.