Idaho Weather Averages
Select a link for the average weather, by month or year, in cities, towns and parks throughout Idaho. The links take you to data for normal temperatures, precipitation, snowfall, sunshine and humidity.
Farther down the page you'll find links to in-depth weather information for Boise, Ketchum and other places in the state.
In-depth Weather Information
- Boise Temperature Averages by Month
- Boise Snowfall Totals and Snow Accumulation Averages
- Hot, Humid Weather in Idaho
Detailed temperature information for Boise with data on average monthly highs and lows plus number of days with hot or cold weather.
When, how much and how often Boise, Idaho has snow — with monthly and yearly averages for total days and inches of snowfall, snow accumulation, heavy snowstorms and first snowfall.
How often heat combines with humidity at cities in Idaho to create uncomfortably muggy weather.