You’ll experience all four seasons in Southern Idaho. Everything from snowy winters to sun-dappled autumns to vibrant springs to dry, warm summers. Our semi-arid climate offers plenty of sunshine year-round. The Southern Idaho Climate is a great mix of seasons.
Our amazing high-desert geography is lined with deep canyons, rolling hills, ancient volcanic formations, and geology that attracts enthusiasts from around the world. Southern Idaho is criss-crossed by the Snake River and its many tributaries, offering fine fishing and water sports opportunities.
| Average temperature in January | High: 37.8° F – Low: 21° F |
| Average temperature in July | High: 88.6° F – Low: 56.3° F |
| Hottest & driest month | July |
| Coldest & wettest month | December |
| Annual Precipitation | 9.37″ |
| Annual Snowfall | 11.7″ |
| Elevation | 3,747′ |
ADVENTURE
MAP
Use our Adventure Map to plan your next Southern Idaho getaway! View all of our Scenic Byways, explore our local attractions, and check out our lodging, camping, and RV availability.