Idaho weather in April: Statewide normals and every place, NOAA 1991-2020
In April, Idaho's statewide normal high is 53°F and normal low 30°F; normal highs run from 40°F in Mullan to 68°F in Bruneau (NOAA 1991-2020 normals).
- Statewide normal high
- 53°FApril, 1991-2020
- Statewide normal low
- 30°FApril, 1991-2020
- Statewide normal precipitation
- 2.19 inApril
- Warmest place
- 68°Fnormal high, Bruneau
- Coolest place
- 40°Fnormal high, Mullan
Where is Idaho warmest and wettest in April?
Bruneau has the warmest April afternoons (68°F) and Mullan the coolest (40°F). Pierce gets the most precipitation (4.03 in) and Challis the least (0.52 in). The most snow falls in Elk City (10.2 inches).
Statewide, April averaged 42.0°F in 2021, 37.2°F in 2022, 38.6°F in 2023, 42.3°F in 2024, 42.5°F in 2025, 42.1°F in 2026, against a 1991-2020 normal of 41.5°F.
| Place | High | Low | Precip. | Snow |
|---|---|---|---|---|
| Boise | 62°F | 40°F | 1.23 | 0.1 |
| Nampa | 65°F | 36°F | 1.06 | 0.0 |
| Idaho Falls | 58°F | 31°F | 1.03 | – |
| Pocatello | 59°F | 33°F | 1.20 | 2.6 |
| Coeur d'Alene | 56°F | 37°F | 1.91 | – |
| Twin Falls | 59°F | 34°F | 1.13 | – |
| Rexburg | 56°F | 32°F | 1.52 | – |
| Lewiston | 62°F | 41°F | 1.44 | 0.0 |
| Moscow | 58°F | 32°F | 2.75 | 1.0 |
| Mountain Home | 63°F | 36°F | – | – |
| Jerome | 60°F | 36°F | 1.06 | – |
| Blackfoot | 57°F | 35°F | 1.40 | 0.7 |
| Burley | 60°F | 35°F | 1.09 | – |
| Sandpoint | 56°F | 35°F | 2.37 | 0.5 |
| Emmett | 63°F | 36°F | 1.22 | 0.1 |
| Payette | 65°F | 39°F | 0.82 | – |
| Preston | 59°F | 33°F | 1.89 | 3.0 |
| Weiser | 64°F | 39°F | 1.07 | – |
| Rigby | 57°F | 33°F | 1.44 | – |
| American Falls | 60°F | 35°F | 1.30 | – |
| Buhl | 59°F | 37°F | 1.05 | – |
| McCall | 50°F | 28°F | 2.43 | – |
| St. Anthony | 55°F | 31°F | 1.33 | – |
| Grangeville | 56°F | 34°F | 2.90 | 3.2 |
| Ketchum | 52°F | 27°F | 1.17 | 3.2 |
| Salmon | 59°F | 32°F | 0.77 | 0.4 |
| Soda Springs | 55°F | 27°F | 1.38 | – |
| Homedale | 64°F | 37°F | 0.87 | – |
| Bonners Ferry | 59°F | 36°F | 1.26 | 0.4 |
| Bellevue | 59°F | 35°F | 1.11 | – |
| St. Maries | 58°F | 35°F | 2.30 | 0.7 |
| Kellogg | 58°F | 32°F | 2.89 | 0.7 |
| Sugar City | 57°F | 30°F | – | – |
| Fort Hall | 58°F | 31°F | 1.02 | 1.3 |
| Driggs | 54°F | 28°F | 1.90 | – |
| Malad City | 60°F | 32°F | 1.24 | – |
| Parma | 64°F | 36°F | 0.89 | 0.0 |
| Aberdeen | 58°F | 31°F | 0.87 | 0.5 |
| Shoshone | 64°F | 38°F | 0.81 | – |
| Paul | 56°F | 34°F | 1.10 | – |
| Glenns Ferry | 68°F | 38°F | 0.89 | – |
| Kamiah | 63°F | 37°F | 2.78 | 0.0 |
| Plummer | 55°F | 34°F | 2.34 | – |
| Cascade | 53°F | 30°F | 2.05 | 3.3 |
| Hagerman | 62°F | 35°F | 0.83 | – |
| Ashton | 54°F | 31°F | 1.70 | 2.0 |
| Council | 61°F | 35°F | 2.12 | – |
| Grace | 54°F | 31°F | 1.45 | – |
| Challis | 57°F | 31°F | 0.52 | – |
| Cottonwood | 54°F | 35°F | 2.67 | 1.8 |
| Arco | 57°F | 30°F | 0.86 | 1.3 |
| Oakley | 60°F | 34°F | 1.55 | 2.0 |
| Hazelton | 59°F | 34°F | 0.97 | – |
| McCammon | 58°F | 32°F | 1.19 | 1.6 |
| Wallace | 55°F | 34°F | 3.02 | 1.3 |
| Potlatch | 56°F | 34°F | 2.33 | 1.3 |
| Mullan | 40°F | 27°F | 3.60 | – |
| New Meadows | 55°F | 27°F | 2.01 | – |
| Downey | 58°F | 31°F | 1.54 | – |
| Kooskia | 59°F | 36°F | – | – |
| Idaho City | 56°F | 28°F | 1.59 | – |
| Dubois | 57°F | 33°F | 1.29 | 3.2 |
| Pierce | 54°F | 29°F | 4.03 | 4.5 |
| Fairfield | 54°F | 30°F | 1.11 | – |
| Mackay | 55°F | 29°F | 0.88 | – |
| Richfield | 58°F | 31°F | 0.88 | 0.3 |
| Nezperce | 54°F | 33°F | 2.38 | 1.0 |
| Grand View | 67°F | 38°F | 0.65 | – |
| Riggins | 62°F | 35°F | 2.03 | 0.0 |
| Lava Hot Springs | 56°F | 31°F | 1.76 | – |
| Winchester | 52°F | 32°F | 2.68 | 9.1 |
| Cambridge | 62°F | 35°F | 1.57 | – |
| Garden Valley | 60°F | 32°F | 2.13 | 0.4 |
| Swan Valley | 56°F | 27°F | 1.88 | – |
| Tetonia | 49°F | 27°F | 1.78 | – |
| Elk City | 53°F | 27°F | 2.89 | 10.2 |
| Castleford | 60°F | 33°F | 1.21 | – |
| Island Park | 47°F | 23°F | 2.37 | – |
| Malta | 58°F | 30°F | 1.01 | 1.2 |
| Stanley | 49°F | 21°F | 1.69 | – |
| Leadore | 52°F | 25°F | – | – |
| Minidoka | 60°F | 33°F | 0.99 | 0.5 |
| Hamer | 60°F | 29°F | 0.94 | 0.8 |
| Lowman | 56°F | 30°F | – | – |
| Bruneau | 68°F | 40°F | 0.72 | – |
| Arrowrock Dam | 61°F | 37°F | – | – |
| Bayview Model Basin | 54°F | 33°F | 2.06 | 0.0 |
| Bern | 53°F | 27°F | 1.74 | 4.9 |
| Boise Lucky Peak Dam | 63°F | 37°F | 1.51 | – |
| Brownlee Dam | 64°F | 42°F | 1.39 | – |
| Cabinet Gorge | 55°F | 34°F | 2.14 | – |
| Chilly Barton Flat | 53°F | 28°F | 0.74 | 1.3 |
| Craters Of The Moon | 50°F | 26°F | 1.13 | 4.6 |
| Deadwood Lodge | 49°F | 22°F | 2.88 | – |
| Deer Flat Dam | 65°F | 38°F | 1.06 | – |
| Dixie | 46°F | 21°F | – | – |
| Dixie N | 46°F | 20°F | 3.25 | – |
| Dworshak Fish Hatchery | 63°F | 38°F | 2.64 | 0.0 |
| Elk River | 53°F | 31°F | 3.53 | – |
| Fenn Ranger Station | 62°F | 36°F | 4.05 | 0.3 |
| Gibbonsville #2 | 56°F | 29°F | – | – |
| Headquarters | 52°F | 27°F | 3.66 | 4.2 |
| Hill City (1 mi W) | 54°F | 29°F | 1.20 | – |
| Howe | 59°F | 32°F | 0.77 | 0.3 |
| Idaho Falls (46 mi W) | 57°F | 28°F | 0.88 | 1.0 |
| Idaho Falls - Kifi | 58°F | 34°F | 1.43 | – |
| Lifton Pumping Station | 50°F | 29°F | 1.09 | 2.7 |
| Lowell Three Rivers | 63°F | 38°F | 4.23 | – |
| Massacre Rocks State Park | 59°F | 33°F | 1.62 | – |
| May (2 mi SSE) | 58°F | 25°F | 0.81 | – |
| Middle Fork Lodge | 57°F | 31°F | 1.45 | 1.1 |
| Monteview | 58°F | 28°F | 0.98 | – |
| Murphy (10 mi W) | 59°F | 33°F | 0.98 | – |
| Murphy (Desert) Hot Springs | 55°F | 28°F | 2.24 | 4.1 |
| Ola | 62°F | 31°F | 2.00 | – |
| Picabo | 57°F | 25°F | 1.09 | 0.8 |
| Porthill (1 mi SW) | 60°F | 34°F | 1.65 | – |
| Powell | 53°F | 29°F | – | – |
| Prichard (3 mi ESE) | 56°F | 30°F | 3.49 | – |
| Priest River Experiment Station | 57°F | 31°F | 2.50 | 0.3 |
| Red River Ranger Station | 53°F | 26°F | – | – |
| Rexburg BYU Idaho | 56°F | 33°F | 1.16 | – |
| Shoup | 61°F | 36°F | – | – |
| Silver City (5 mi W) | 50°F | 31°F | – | – |
| Small (6 mi N) | 54°F | 30°F | 1.08 | – |
| Swan Falls Powerhouse | 66°F | 41°F | 0.75 | – |
| Taylor Ranch | 59°F | 33°F | 1.49 | 0.3 |
| Twin Falls-KMVT | 63°F | 36°F | 1.02 | – |
| Warren | 50°F | 20°F | – | – |
| Yellowpine | 56°F | 29°F | 2.10 | – |
| Yellowpine Bar | 63°F | 35°F | 2.12 | 0.1 |
Source: NOAA NCEI nClimDiv statewide normals; NOAA NCEI 1991-2020 monthly normals for each station.