All Countries
Zortman, MT
Full City Profile · Montana · Petroleum County County
3.0
/5.0
B
Good
63
Population
16/sq mi density
43°F
Avg Temperature
273 sunny days/yr
390
Violent Crime/100K
1,220 property/100K
B
Overall
3.0 / 5.0
Good overall score based on economy, affordability, safety and education
F
Safety
1.0 / 5.0
390 violent crimes/100K (3% above avg)
A+
Education
5.0 / 5.0
66.7% bachelor's degree or higher
Zortman has a cool climate with an average annual temperature of 43°F (6°C). Winters average 24°F in January while summers reach 66°F in July. The area gets 273 sunny days per year. Annual precipitation totals 19.5 inches. Air quality is rated Good with a median AQI of 26.
Temperature
24°F Jan (-5°C)
66°F Jul (19°C)
| Annual Average | 43.2°F |
| 20% below US avg | |
| January Average | 24°F (-5°C) |
| July Average | 66°F (19°C) |
| Sunny Days | 273 days/yr |
Geography
| Elevation | 4,006 ft (1,221 m) |
| Area | 4.0 sq mi (10.2 km²) |
| Population Density | 16/sq mi |
| Coordinates | 47.9167°N, 108.5090°W |
| Timezone | America/Denver |
| County | Petroleum County County |
| Nearest Airport | Great Falls International (GTF) 136 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 26.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 1.3 / 100 |
| Social Vulnerability | 27.4 / 100 |
| Community Resilience | 12.9 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Earthquake | Very Low |
| Wildfire | Relatively Low |
| Flood | Very Low |
| Hail | Very Low |
| Strong Wind | Very Low |
| Heat Wave | Very Low |
| Winter Weather | Very Low |
| Lightning | Relatively Moderate |
| Ice Storm | Very Low |
| Drought | Very Low |
| Cold Wave | Relatively Low |
| Landslide | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 24°F (-5°C) | 0.7 in | |
| February | 24°F (-4°C) | 0.5 in | Driest |
| March | 30°F (-1°C) | 0.8 in | |
| April | 40°F (4°C) | 1.3 in | |
| May | 50°F (10°C) | 2.9 in | Wettest |
| June | 59°F (15°C) | 2.7 in | |
| July | 66°F (19°C) | 1.8 in | Warmest |
| August | 64°F (18°C) | 1.5 in | |
| September | 54°F (12°C) | 1.5 in | |
| October | 43°F (6°C) | 0.8 in | |
| November | 30°F (-1°C) | 0.6 in | |
| December | 22°F (-6°C) | 0.6 in | Coldest |
Zortman has a seasonal temperature swing of 45°F / from 22°F in December to 66°F in July. Total annual precipitation is 15.5 inches, with May being the wettest month (2.9") and February the driest (0.5").