Sweet Grass, MT
Full City Profile · Montana · Toole County County
3.0
/5.0
B
Good
64
Population
133/sq mi density
$79,886
Median Income
$35,392 per capita
44°F
Avg Temperature
B
Overall
3.0 / 5.0
Good overall score based on economy, affordability, safety and education
A+
Economy
4.6 / 5.0
$79,886 median income, 0.0% unemployment
F
Education
1.5 / 5.0
5.7% bachelor's degree or higher
Sweet Grass has a cool climate with an average annual temperature of 44°F (7°C). Winters average 21°F in January while summers reach 68°F in July. Annual precipitation totals 14.3 inches. The area receives 85.9 inches of snow annually.
Temperature
21°F Jan (-6°C)
68°F Jul (20°C)
| Annual Average | 43.5°F |
| 19% below US avg | |
| January Average | 21°F (-6°C) |
| July Average | 68°F (20°C) |
Geography
| Elevation | 3,552 ft (1,083 m) |
| Area | 0.5 sq mi (1.2 km²) |
| Population Density | 133/sq mi |
| Coordinates | 48.9928°N, 111.9668°W |
| Timezone | America/Denver |
| County | Toole County County |
| Nearest Airport | Cut Bank International (CTB) 32 miles away |
Precipitation & Snow
Air Quality
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 13.0 / 100 |
| Social Vulnerability | 64.7 / 100 |
| Community Resilience | 19.8 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Very Low |
| Hail | Very Low |
| Strong Wind | Very Low |
| Heat Wave | Very Low |
| Winter Weather | Relatively Low |
| Lightning | Very Low |
| Ice Storm | Very Low |
| Drought | Relatively Low |
| Cold Wave | Relatively Moderate |
| Landslide | Very Low |
| Avalanche | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 21°F (-6°C) | 0.5 in | Coldest |
| February | 24°F (-5°C) | 0.5 in | Driest |
| March | 32°F (0°C) | 0.6 in | |
| April | 42°F (6°C) | 1.2 in | |
| May | 53°F (11°C) | 1.9 in | |
| June | 60°F (16°C) | 3.5 in | Wettest |
| July | 68°F (20°C) | 1.4 in | Warmest |
| August | 67°F (19°C) | 1.2 in | |
| September | 57°F (14°C) | 1.2 in | |
| October | 45°F (7°C) | 1.0 in | |
| November | 32°F (-0°C) | 0.7 in | |
| December | 22°F (-6°C) | 0.8 in |
Sweet Grass has a seasonal temperature swing of 46°F / from 21°F in January to 68°F in July. Total annual precipitation is 14.3 inches, with June being the wettest month (3.5") and February the driest (0.5").