Weather in Mexico's Riviera Nayarit. One of the chief considerations in planning a vacation is the weather, and it is the weather that makes Riviera Nayarit an excellent choice for anyone trying to escape the cold of a northern winter, or the heat of a southern summer.
Asotin County Weather. The average temperature of Asotin County is 49.59Â°F, which is about the same as the Washington average temperature of 50.47Â°F and is lower than the national average temperature of 54.45Â°F. Historical Weather. Heating Cost Index, #24.
During spring average temperatures range from 9.6 - 19.6Â°C (49.3 - 67.3Â°F). The season is known as the most variable of the year, when weather can quickly change from calm and sunny to cold and windy. Pack your umbrella â October is the wettest month with roughly 10 days of rainfall.