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Rock Island, OK
Full City Profile · Oklahoma · Sebastian County County
3.1
/5.0
B
Good
753
Population
62/sq mi density
$42,917
Median Income
$24,760 per capita
$127,500
Home Value
$182,367 Zillow
$757
Median Rent
35.8% income on rent
62°F
Avg Temperature
310 sunny days/yr
B
Overall
3.1 / 5.0
Good overall score based on economy, affordability, safety and education
C+
Economy
2.9 / 5.0
$42,917 median income, 3.4% unemployment
A+
Affordability
5.0 / 5.0
$127,500 home value, $757/mo rent
C+
Safety
2.5 / 5.0
0 violent crimes/100K
C
Education
2.1 / 5.0
13.4% bachelor's degree or higher
Rock Island enjoys a temperate climate with an average annual temperature of 62°F (17°C). Winters average 40°F in January while summers reach 83°F in July. The area gets 310 sunny days per year. Annual precipitation totals 47.3 inches. The area receives 2.9 inches of snow annually. Air quality is rated Good with a median AQI of 45.
Temperature
40°F Jan (5°C)
83°F Jul (28°C)
| Annual Average | 62.4°F |
| 16% above US avg | |
| January Average | 40°F (5°C) |
| July Average | 83°F (28°C) |
| Sunny Days | 310 days/yr |
Geography
| Elevation | 494 ft (151 m) |
| Area | 12.1 sq mi (31.3 km²) |
| Population Density | 62/sq mi |
| Coordinates | 35.1849°N, 94.4826°W |
| Timezone | America/Chicago |
| County | Sebastian County County |
| Nearest Airport | Fort Smith Regional (FSM) 9 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 45.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Moderate |
| Risk Score | 86.8 / 100 |
| Social Vulnerability | 48.9 / 100 |
| Community Resilience | 38.8 / 100 |
Hazard Breakdown
| Tornado | Relatively High |
| Hurricane | Very Low |
| Earthquake | Relatively Low |
| Wildfire | Relatively Moderate |
| Flood | Relatively Moderate |
| Hail | Relatively Low |
| Strong Wind | Relatively Moderate |
| Heat Wave | Relatively Moderate |
| Winter Weather | Relatively High |
| Lightning | Relatively High |
| Ice Storm | Very High |
| Drought | Relatively Low |
| Cold Wave | Relatively Moderate |
| Landslide | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 40°F (5°C) | 2.5 in | Coldest, Driest |
| February | 44°F (7°C) | 2.8 in | |
| March | 52°F (11°C) | 4.4 in | |
| April | 61°F (16°C) | 4.4 in | |
| May | 69°F (21°C) | 5.8 in | Wettest |
| June | 77°F (25°C) | 4.3 in | |
| July | 83°F (28°C) | 3.3 in | Warmest |
| August | 81°F (27°C) | 2.9 in | |
| September | 73°F (23°C) | 4.6 in | |
| October | 63°F (17°C) | 4.4 in | |
| November | 51°F (10°C) | 4.6 in | |
| December | 42°F (5°C) | 3.7 in |
Rock Island has a seasonal temperature swing of 43°F / from 40°F in January to 83°F in July. Total annual precipitation is 47.6 inches, with May being the wettest month (5.8") and January the driest (2.5").