Zortman, MT
Full City Profile · Montana · Petroleum County County
5.0
/5.0
A+
Excellent
63
Population
16/sq mi density
43°F
Avg Temperature
A+
Overall
5.0 / 5.0
Strong
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. Annual precipitation totals 19.5 inches. The area receives 32.2 inches of snow annually.
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) |
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
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) | 0.9 in | Coldest |
| February | 24°F (-4°C) | 0.6 in | Driest |
| March | 32°F (0°C) | 0.8 in | |
| April | 41°F (5°C) | 1.8 in | |
| May | 50°F (10°C) | 3.2 in | |
| June | 58°F (15°C) | 4.0 in | Wettest |
| July | 66°F (19°C) | 2.3 in | Warmest |
| August | 66°F (19°C) | 1.5 in | |
| September | 56°F (13°C) | 1.4 in | |
| October | 43°F (6°C) | 1.3 in | |
| November | 33°F (1°C) | 1.0 in | |
| December | 25°F (-4°C) | 0.7 in |
Zortman has a seasonal temperature swing of 42°F / from 24°F in January to 66°F in July. Total annual precipitation is 19.5 inches, with June being the wettest month (4.0") and February the driest (0.6").