Donnelly, ID
Full City Profile · Idaho · Adams County County
1.4
/5.0
F
Poor
165
Population
232/sq mi density
$950
Median Rent
31.3% income on rent
42°F
Avg Temperature
F
Overall
1.4 / 5.0
Below average overall score based on economy, affordability, safety and education
F
Education
1.4 / 5.0
5.3% bachelor's degree or higher
Donnelly has a cool climate with an average annual temperature of 42°F (6°C). Winters average 22°F in January while summers reach 64°F in July. Annual precipitation totals 23.1 inches. The area receives 132.2 inches of snow annually.
Temperature
22°F Jan (-5°C)
64°F Jul (18°C)
| Annual Average | 41.5°F |
| 23% below US avg | |
| January Average | 22°F (-5°C) |
| July Average | 64°F (18°C) |
Geography
| Elevation | 4,865 ft (1,483 m) |
| Area | 0.5 sq mi (1.2 km²) |
| Population Density | 232/sq mi |
| Coordinates | 44.7334°N, 116.0868°W |
| Timezone | America/Boise |
| County | Adams County County |
| Nearest Airport | Boise Air Trml/Gowen Field (BOI) 81 miles away |
Precipitation & Snow
Air Quality
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 39.6 / 100 |
| Social Vulnerability | 60.6 / 100 |
| Community Resilience | 8.6 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Earthquake | Very Low |
| Wildfire | Relatively Moderate |
| Flood | Relatively Low |
| Hail | Very Low |
| Strong Wind | Very Low |
| Heat Wave | Very Low |
| Winter Weather | Relatively Low |
| Lightning | Very Low |
| Ice Storm | Very Low |
| Drought | Very Low |
| Cold Wave | Very Low |
| Landslide | Relatively Moderate |
| Volcano | Very Low |
| Avalanche | Relatively High |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 22°F (-5°C) | 2.5 in | |
| February | 25°F (-4°C) | 2.3 in | |
| March | 32°F (-0°C) | 2.7 in | |
| April | 39°F (4°C) | 2.4 in | |
| May | 49°F (9°C) | 2.3 in | |
| June | 55°F (13°C) | 2.0 in | |
| July | 64°F (18°C) | 0.6 in | Warmest |
| August | 63°F (17°C) | 0.5 in | Driest |
| September | 54°F (12°C) | 1.0 in | |
| October | 43°F (6°C) | 1.6 in | |
| November | 31°F (-1°C) | 2.3 in | |
| December | 22°F (-6°C) | 2.8 in | Coldest, Wettest |
Donnelly has a seasonal temperature swing of 42°F / from 22°F in December to 64°F in July. Total annual precipitation is 23.1 inches, with December being the wettest month (2.8") and August the driest (0.5").