You'll likely spend much of your trip indoors, but if you're planning to venture beyond the casino, taking a look at local weather data can help you. The hottest months are usually August and July, with an average temperature of 19°C, while the coldest months are December and January, with an average of 0°C. The snowiest months in Kamiah are January, December, April and March, with each month seeing an average of 13 cm of snowfall.