All Countries
Harlem, MT
Full City Profile · Montana · Blaine County County
3.4
/5.0
B
Good
879
Population
2,093/sq mi density
$74,545
Median Income
$32,102 per capita
$89,700
Home Value
$160,056 Zillow
$770
Median Rent
19.0% income on rent
44°F
Avg Temperature
274 sunny days/yr
538
Violent Crime/100K
3,605 property/100K
B
Overall
3.4 / 5.0
Good overall score based on economy, affordability, safety and education
B+
Economy
3.8 / 5.0
$74,545 median income, 6.3% unemployment
A+
Affordability
5.0 / 5.0
$89,700 home value, $770/mo rent
F
Safety
1.0 / 5.0
538 violent crimes/100K (42% above avg)
B+
Education
3.8 / 5.0
35.2% bachelor's degree or higher
Harlem has a cool climate with an average annual temperature of 44°F (7°C). Winters average 17°F in January while summers reach 69°F in July. The area gets 274 sunny days per year. Annual precipitation totals 12.5 inches. Air quality is rated Good with a median AQI of 26.
Temperature
17°F Jan (-9°C)
69°F Jul (21°C)
| Annual Average | 43.6°F |
| 19% below US avg | |
| January Average | 17°F (-9°C) |
| July Average | 69°F (21°C) |
| Sunny Days | 274 days/yr |
Geography
| Elevation | 2,365 ft (721 m) |
| Area | 0.4 sq mi (1.1 km²) |
| Population Density | 2,093/sq mi |
| Coordinates | 48.5319°N, 108.7847°W |
| Timezone | America/Denver |
| County | Blaine County County |
| Nearest Airport | Great Falls International (GTF) 140 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 26.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 45.9 / 100 |
| Social Vulnerability | 95.7 / 100 |
| Community Resilience | 13.4 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Earthquake | Very Low |
| Wildfire | Relatively Low |
| Flood | Relatively Low |
| Hail | Very Low |
| Strong Wind | Very Low |
| Heat Wave | Very Low |
| Winter Weather | Relatively Moderate |
| Lightning | Relatively Moderate |
| Ice Storm | Very Low |
| Drought | Relatively Low |
| Cold Wave | Relatively High |
| Landslide | Very Low |
| Avalanche | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 17°F (-9°C) | 0.5 in | Coldest |
| February | 22°F (-6°C) | 0.4 in | Driest |
| March | 31°F (-0°C) | 0.5 in | |
| April | 43°F (6°C) | 0.9 in | |
| May | 54°F (12°C) | 2.0 in | |
| June | 63°F (17°C) | 2.2 in | Wettest |
| July | 69°F (21°C) | 1.8 in | Warmest |
| August | 68°F (20°C) | 1.2 in | |
| September | 56°F (14°C) | 1.4 in | |
| October | 45°F (7°C) | 0.6 in | |
| November | 29°F (-2°C) | 0.4 in | |
| December | 19°F (-7°C) | 0.5 in |
Harlem has a seasonal temperature swing of 53°F / from 17°F in January to 69°F in July. Total annual precipitation is 12.3 inches, with June being the wettest month (2.2") and February the driest (0.4").