Idaho weather in July: Statewide normals and every place, NOAA 1991-2020
In July, Idaho's statewide normal high is 82°F and normal low 51°F; normal highs run from 70°F in Mullan to 99°F in Glenns Ferry (NOAA 1991-2020 normals).
- Statewide normal high
- 82°FJuly, 1991-2020
- Statewide normal low
- 51°FJuly, 1991-2020
- Statewide normal precipitation
- 0.71 inJuly
- Warmest place
- 99°Fnormal high, Glenns Ferry
- Coolest place
- 70°Fnormal high, Mullan
Where is Idaho warmest and wettest in July?
Glenns Ferry has the warmest July afternoons (99°F) and Mullan the coolest (70°F). Pierce gets the most precipitation (1.27 in) and Jerome the least (0.11 in).
Statewide, July averaged 71.8°F in 2021, 69.4°F in 2022, 68.6°F in 2023, 69.4°F in 2024, 67.8°F in 2025, 70.6°F in 2026, against a 1991-2020 normal of 66.4°F.
| Place | High | Low | Precip. | Snow |
|---|---|---|---|---|
| Boise | 93°F | 62°F | 0.21 | 0.0 |
| Nampa | 93°F | 57°F | 0.26 | 0.0 |
| Idaho Falls | 87°F | 49°F | 0.46 | – |
| Pocatello | 89°F | 52°F | 0.51 | 0.0 |
| Coeur d'Alene | 83°F | 57°F | 0.73 | – |
| Twin Falls | 88°F | 58°F | 0.31 | – |
| Rexburg | 85°F | 52°F | 0.38 | – |
| Lewiston | 91°F | 61°F | 0.47 | 0.0 |
| Moscow | 84°F | 45°F | 0.66 | 0.0 |
| Mountain Home | 95°F | 60°F | – | – |
| Jerome | 90°F | 59°F | 0.11 | – |
| Blackfoot | 87°F | 56°F | 0.50 | 0.0 |
| Burley | 88°F | 55°F | 0.26 | – |
| Sandpoint | 82°F | 52°F | 1.17 | 0.0 |
| Emmett | 92°F | 58°F | 0.25 | 0.0 |
| Payette | 92°F | 61°F | 0.36 | – |
| Preston | 89°F | 54°F | 0.74 | 0.0 |
| Weiser | 95°F | 61°F | 0.35 | – |
| Rigby | 85°F | 55°F | 0.56 | – |
| American Falls | 90°F | 56°F | 0.53 | – |
| Buhl | 88°F | 60°F | 0.21 | – |
| McCall | 81°F | 47°F | 0.58 | – |
| St. Anthony | 83°F | 50°F | 0.71 | – |
| Grangeville | 82°F | 54°F | 1.07 | 0.0 |
| Ketchum | 80°F | 45°F | 0.55 | 0.0 |
| Salmon | 86°F | 52°F | 0.77 | 0.0 |
| Soda Springs | 87°F | 45°F | 0.79 | – |
| Homedale | 92°F | 59°F | 0.30 | – |
| Bonners Ferry | 85°F | 53°F | 0.64 | 0.0 |
| Bellevue | 88°F | 54°F | 0.61 | – |
| St. Maries | 84°F | 52°F | 0.79 | 0.0 |
| Kellogg | 85°F | 51°F | 1.15 | 0.0 |
| Sugar City | 83°F | 48°F | – | – |
| Fort Hall | 86°F | 51°F | 0.44 | 0.0 |
| Driggs | 83°F | 48°F | 1.06 | – |
| Malad City | 91°F | 51°F | 0.60 | – |
| Parma | 92°F | 57°F | 0.25 | 0.0 |
| Aberdeen | 87°F | 51°F | 0.41 | 0.0 |
| Shoshone | 94°F | 62°F | 0.16 | – |
| Paul | 85°F | 55°F | 0.26 | – |
| Glenns Ferry | 99°F | 59°F | 0.23 | – |
| Kamiah | 90°F | 52°F | 0.87 | 0.0 |
| Plummer | 81°F | 52°F | 0.71 | – |
| Cascade | 82°F | 48°F | 0.50 | 0.0 |
| Hagerman | 92°F | 56°F | 0.15 | – |
| Ashton | 83°F | 51°F | 0.64 | 0.0 |
| Council | 92°F | 57°F | 0.44 | – |
| Grace | 85°F | 50°F | 0.76 | – |
| Challis | 87°F | 52°F | 0.42 | – |
| Cottonwood | 81°F | 56°F | 1.16 | 0.0 |
| Arco | 87°F | 52°F | 0.32 | 0.0 |
| Oakley | 86°F | 57°F | 0.69 | 0.0 |
| Hazelton | 89°F | 56°F | 0.20 | – |
| McCammon | 87°F | 52°F | 0.60 | 0.0 |
| Wallace | 81°F | 51°F | 0.94 | 0.0 |
| Potlatch | 82°F | 49°F | 0.84 | 0.0 |
| Mullan | 70°F | 52°F | 1.09 | – |
| New Meadows | 85°F | 43°F | 0.70 | – |
| Downey | 89°F | 51°F | 0.96 | – |
| Kooskia | 86°F | 54°F | – | – |
| Idaho City | 87°F | 46°F | 0.32 | – |
| Dubois | 87°F | 55°F | 0.68 | 0.0 |
| Pierce | 83°F | 45°F | 1.27 | 0.0 |
| Fairfield | 84°F | 50°F | 0.38 | – |
| Mackay | 83°F | 50°F | 0.65 | – |
| Richfield | 89°F | 53°F | 0.17 | 0.0 |
| Nezperce | 80°F | 48°F | 0.87 | 0.0 |
| Grand View | 93°F | 58°F | 0.26 | – |
| Riggins | 90°F | 52°F | 0.76 | 0.0 |
| Lava Hot Springs | 87°F | 51°F | 0.76 | – |
| Winchester | 78°F | 49°F | 0.84 | 0.0 |
| Cambridge | 93°F | 56°F | 0.38 | – |
| Garden Valley | 89°F | 48°F | 0.42 | 0.0 |
| Swan Valley | 85°F | 46°F | 1.25 | – |
| Tetonia | 78°F | 47°F | 0.88 | – |
| Elk City | 83°F | 43°F | 1.21 | 0.0 |
| Castleford | 88°F | 54°F | 0.24 | – |
| Island Park | 77°F | 43°F | 1.17 | – |
| Malta | 88°F | 48°F | 0.73 | 0.0 |
| Stanley | 80°F | 39°F | 0.63 | – |
| Leadore | 83°F | 41°F | – | – |
| Minidoka | 89°F | 54°F | 0.16 | 0.0 |
| Hamer | 89°F | 49°F | 0.52 | 0.0 |
| Lowman | 87°F | 45°F | – | – |
| Bruneau | 96°F | 61°F | 0.14 | – |
| Arrowrock Dam | 92°F | 59°F | – | – |
| Bayview Model Basin | 80°F | 50°F | 0.91 | 0.0 |
| Bern | 85°F | 46°F | 0.67 | 0.0 |
| Boise Lucky Peak Dam | 93°F | 59°F | 0.28 | – |
| Brownlee Dam | 95°F | 64°F | 0.40 | – |
| Cabinet Gorge | 81°F | 51°F | 0.95 | – |
| Chilly Barton Flat | 82°F | 47°F | 0.58 | 0.0 |
| Craters Of The Moon | 82°F | 49°F | 0.43 | 0.0 |
| Deadwood Lodge | 82°F | 40°F | 0.63 | – |
| Deer Flat Dam | 90°F | 59°F | 0.29 | – |
| Dixie | 77°F | 39°F | – | – |
| Dixie N | 76°F | 39°F | 1.15 | – |
| Dworshak Fish Hatchery | 90°F | 55°F | 0.73 | 0.0 |
| Elk River | 82°F | 48°F | 0.94 | – |
| Fenn Ranger Station | 90°F | 53°F | 0.88 | 0.0 |
| Gibbonsville #2 | 83°F | 46°F | – | – |
| Headquarters | 80°F | 44°F | 0.90 | 0.0 |
| Hill City (1 mi W) | 85°F | 47°F | 0.47 | – |
| Howe | 87°F | 51°F | 0.44 | 0.0 |
| Idaho Falls (46 mi W) | 89°F | 50°F | 0.39 | 0.0 |
| Idaho Falls - Kifi | 86°F | 55°F | 0.51 | – |
| Lifton Pumping Station | 81°F | 51°F | 0.57 | 0.0 |
| Lowell Three Rivers | 92°F | 55°F | 0.63 | – |
| Massacre Rocks State Park | 89°F | 53°F | 0.45 | – |
| May (2 mi SSE) | 87°F | 45°F | 0.45 | – |
| Middle Fork Lodge | 86°F | 48°F | 0.76 | 0.0 |
| Monteview | 84°F | 48°F | 0.60 | – |
| Murphy (10 mi W) | 88°F | 54°F | 0.33 | – |
| Murphy (Desert) Hot Springs | 86°F | 46°F | 0.72 | 0.0 |
| Ola | 93°F | 51°F | 0.41 | – |
| Picabo | 87°F | 46°F | 0.31 | 0.0 |
| Porthill (1 mi SW) | 86°F | 52°F | 1.24 | – |
| Powell | 83°F | 46°F | – | – |
| Prichard (3 mi ESE) | 83°F | 44°F | 1.07 | – |
| Priest River Experiment Station | 83°F | 48°F | 0.97 | 0.0 |
| Red River Ranger Station | 80°F | 42°F | – | – |
| Rexburg BYU Idaho | 85°F | 52°F | 0.59 | – |
| Shoup | 90°F | 54°F | – | – |
| Silver City (5 mi W) | 82°F | 59°F | – | – |
| Small (6 mi N) | 83°F | 51°F | 0.81 | – |
| Swan Falls Powerhouse | 95°F | 65°F | 0.19 | – |
| Taylor Ranch | 88°F | 51°F | 0.99 | 0.0 |
| Twin Falls-KMVT | 92°F | 58°F | 0.16 | – |
| Warren | 79°F | 37°F | – | – |
| Yellowpine | 87°F | 45°F | 0.91 | – |
| Yellowpine Bar | 92°F | 53°F | 0.99 | 0.0 |
Source: NOAA NCEI nClimDiv statewide normals; NOAA NCEI 1991-2020 monthly normals for each station.