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.
The highest monthly average temperature in Maupin for July is 75 degrees. The lowest monthly average temperature in Maupin for December is 33 degrees. The most monthly precipitation in Maupin occurs in December with 3.2 inches. The air quality index in Maupin is 47% better than the national average. The pollution index in Maupin is 61% better than the national average.