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.
1 Overnight temperatures are generally a little cool with an average low of 7.8 Â°C (46 Â°F). 2  The average daily temperature range/ variation in October is 8.6 Â°C (15.5 Â°F). 3  The weather in October is dry with intermittent rain. 4  A mere 34mm (1.3in) of fluid precipitates across an average of 8 days.