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Brockton, MT
Full City Profile · Montana · Roosevelt County County
1.0
/5.0
F
Poor
497
Population
502/sq mi density
$69,000
Home Value
$172,004 Zillow
43°F
Avg Temperature
274 sunny days/yr
565
Violent Crime/100K
3,640 property/100K
F
Overall
1.0 / 5.0
Below average overall score based on economy, affordability, safety and education
F
Safety
1.0 / 5.0
565 violent crimes/100K (49% above avg)
F
Education
1.1 / 5.0
1.2% bachelor's degree or higher
Brockton has a cool climate with an average annual temperature of 43°F (6°C). Winters average 13°F in January while summers reach 71°F in July. The area gets 274 sunny days per year. Annual precipitation totals 14.5 inches. Air quality is rated Good with a median AQI of 26.
Temperature
13°F Jan (-10°C)
71°F Jul (22°C)
| Annual Average | 43.3°F |
| 20% below US avg | |
| January Average | 13°F (-10°C) |
| July Average | 71°F (22°C) |
| Sunny Days | 274 days/yr |
Geography
| Elevation | 1,967 ft (600 m) |
| Area | 0.2 sq mi (0.4 km²) |
| Population Density | 502/sq mi |
| Coordinates | 48.1559°N, 104.9030°W |
| Timezone | America/Denver |
| County | Roosevelt County County |
| Nearest Airport | Sidney-Richland Regional (SDY) 45 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 26.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 54.5 / 100 |
| Social Vulnerability | 94.5 / 100 |
| Community Resilience | 1.6 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Earthquake | Very Low |
| Wildfire | Relatively Low |
| Flood | Very Low |
| Hail | Relatively Low |
| Strong Wind | Relatively Moderate |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively High |
| Lightning | Relatively Low |
| Ice Storm | Relatively Low |
| Drought | Relatively Low |
| Cold Wave | Relatively High |
| Landslide | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 13°F (-10°C) | 0.4 in | Coldest |
| February | 22°F (-6°C) | 0.3 in | Driest |
| March | 33°F (1°C) | 0.6 in | |
| April | 47°F (8°C) | 1.0 in | |
| May | 58°F (15°C) | 2.1 in | |
| June | 67°F (20°C) | 2.6 in | Wettest |
| July | 71°F (22°C) | 1.9 in | |
| August | 72°F (22°C) | 1.3 in | Warmest |
| September | 60°F (15°C) | 1.3 in | |
| October | 49°F (9°C) | 0.8 in | |
| November | 32°F (-0°C) | 0.4 in | |
| December | 19°F (-7°C) | 0.4 in |
Brockton has a seasonal temperature swing of 58°F / from 13°F in January to 72°F in August. Total annual precipitation is 13.2 inches, with June being the wettest month (2.6") and February the driest (0.3").