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Rockvale, MT
Full City Profile · Montana · Yellowstone County County
1.5
/5.0
D
Poor
413
Population
249/sq mi density
48°F
Avg Temperature
311 sunny days/yr
151
Violent Crime/100K
302 property/100K
D
Overall
1.5 / 5.0
Below average overall score based on economy, affordability, safety and education
F
Safety
1.0 / 5.0
151 violent crimes/100K
D
Education
2.0 / 5.0
12.3% bachelor's degree or higher
Rockvale experiences four distinct seasons with an average annual temperature of 48°F (9°C). Winters average 26°F in January while summers reach 73°F in July. The area gets 311 sunny days per year. Annual precipitation totals 14.8 inches. The area receives 48.2 inches of snow annually. Air quality is rated Good with a median AQI of 26.
Temperature
26°F Jan (-3°C)
73°F Jul (23°C)
| Annual Average | 48.0°F |
| 11% below US avg | |
| January Average | 26°F (-3°C) |
| July Average | 73°F (23°C) |
| Sunny Days | 311 days/yr |
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
| AQI Median | 26.0 |
| Rating | Good |
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 | 26°F (-3°C) | 0.7 in | |
| February | 30°F (-1°C) | 0.5 in | Driest |
| March | 37°F (3°C) | 1.0 in | |
| April | 46°F (8°C) | 1.7 in | |
| May | 55°F (13°C) | 2.7 in | Wettest |
| June | 64°F (18°C) | 2.0 in | |
| July | 73°F (23°C) | 1.0 in | Warmest |
| August | 69°F (21°C) | 1.0 in | |
| September | 59°F (15°C) | 1.5 in | |
| October | 48°F (9°C) | 1.2 in | |
| November | 34°F (1°C) | 0.7 in | |
| December | 26°F (-3°C) | 0.6 in | Coldest |
Rockvale has a seasonal temperature swing of 47°F / from 26°F in December to 73°F in July. Total annual precipitation is 14.4 inches, with May being the wettest month (2.7") and February the driest (0.5").