Rockvale, MT
Full City Profile · Montana · Yellowstone County County
2.0
/5.0
C
Fair
413
Population
249/sq mi density
44°F
Avg Temperature
C
Overall
2.0 / 5.0
Fair overall score based on economy, affordability, safety and education
D
Education
2.0 / 5.0
12.3% bachelor's degree or higher
Rockvale has a cool climate with an average annual temperature of 44°F (7°C). Winters average 23°F in January while summers reach 68°F in July. Annual precipitation totals 14.5 inches. The area receives 50.9 inches of snow annually.
Temperature
23°F Jan (-5°C)
68°F Jul (20°C)
| Annual Average | 43.7°F |
| 19% below US avg | |
| January Average | 23°F (-5°C) |
| July Average | 68°F (20°C) |
Geography
| Elevation | 3,505 ft (1,068 m) |
| Area | 1.7 sq mi (4.3 km²) |
| Population Density | 249/sq mi |
| Coordinates | 45.5187°N, 108.8713°W |
| Timezone | America/Denver |
| County | Yellowstone County County |
| Nearest Airport | Billings Logan International (BIL) 25 miles away |
Precipitation & Snow
Air Quality
Air Pollutants (EPA 2023)
| SO₂ (Sulfur Dioxide) | 2.34 ppb |
| PM2.5 (Fine Particles) | 6.7 μg/m³ |
Natural Hazard Risk
| Overall Risk | Relatively Moderate |
| Risk Score | 83.6 / 100 |
| Social Vulnerability | 20.3 / 100 |
| Community Resilience | 82.3 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Earthquake | Relatively Low |
| Wildfire | Relatively Moderate |
| Flood | Relatively Moderate |
| Hail | Relatively Moderate |
| Strong Wind | Relatively Moderate |
| Heat Wave | Relatively Low |
| Winter Weather | Very High |
| Lightning | Relatively High |
| Ice Storm | Relatively Low |
| Drought | Relatively Low |
| Cold Wave | Relatively High |
| Landslide | Relatively Low |
| Avalanche | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Nearby Volcanoes
1 volcano within 200 km. Closest: Yellowstone (186 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Yellowstone | Caldera(s) | 2,805 m (9,203 ft) | -1350 | 186 km |
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 23°F (-5°C) | 0.5 in | Coldest, Driest |
| February | 25°F (-4°C) | 0.6 in | |
| March | 34°F (1°C) | 0.8 in | |
| April | 42°F (5°C) | 1.9 in | |
| May | 51°F (11°C) | 2.7 in | Wettest |
| June | 60°F (16°C) | 2.1 in | |
| July | 68°F (20°C) | 0.9 in | Warmest |
| August | 66°F (19°C) | 0.9 in | |
| September | 57°F (14°C) | 1.3 in | |
| October | 44°F (7°C) | 1.6 in | |
| November | 32°F (0°C) | 0.7 in | |
| December | 23°F (-5°C) | 0.6 in |
Rockvale has a seasonal temperature swing of 45°F / from 23°F in January to 68°F in July. Total annual precipitation is 14.5 inches, with May being the wettest month (2.7") and January the driest (0.5").