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Fairfield, OK
Full City Profile · Oklahoma · Adair County County
2.8
/5.0
C+
Fair
646
Population
132/sq mi density
$85,625
Median Income
$31,171 per capita
$106,500
Home Value
$153,474 Zillow
$443
Median Rent
30.7% income on rent
59°F
Avg Temperature
318 sunny days/yr
298
Violent Crime/100K
4,018 property/100K
C+
Overall
2.8 / 5.0
Fair overall score based on economy, affordability, safety and education
B
Economy
3.4 / 5.0
$85,625 median income, 4.3% unemployment
A+
Affordability
5.0 / 5.0
$106,500 home value, $443/mo rent
F
Safety
1.0 / 5.0
298 violent crimes/100K
D
Education
1.6 / 5.0
7.7% bachelor's degree or higher
Fairfield enjoys a temperate climate with an average annual temperature of 59°F (15°C). Winters average 38°F in January while summers reach 79°F in July. The area gets 318 sunny days per year. Air quality is rated Good with a median AQI of 45.
Temperature
38°F Jan (3°C)
79°F Jul (26°C)
| Annual Average | 59.1°F |
| 9% above US avg | |
| January Average | 38°F (3°C) |
| July Average | 79°F (26°C) |
| Sunny Days | 318 days/yr |
Geography
| Elevation | 1,157 ft (353 m) |
| Area | 5.0 sq mi (12.9 km²) |
| Population Density | 132/sq mi |
| Coordinates | 35.8375°N, 94.6082°W |
| Timezone | America/Chicago |
| County | Adair County County |
| Nearest Airport | Northwest Arkansas Ntl (XNA) 35 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 45.0 |
| Rating | Good |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0439 ppm |
| SO₂ (Sulfur Dioxide) | 0.46 ppb |
| CO (Carbon Monoxide) | 0.31 ppm |
| PM2.5 (Fine Particles) | 9.8 μg/m³ |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 53.8 / 100 |
| Social Vulnerability | 77.5 / 100 |
| Community Resilience | 2.0 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Hurricane | Very Low |
| Earthquake | Very Low |
| Wildfire | Relatively Moderate |
| Flood | Relatively Low |
| Hail | Relatively Low |
| Strong Wind | Relatively Low |
| Heat Wave | Relatively Moderate |
| Winter Weather | Relatively Low |
| Lightning | Relatively Low |
| Ice Storm | Relatively High |
| Drought | No Rating |
| Cold Wave | Relatively Low |
| Landslide | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 38°F (3°C) | 2.1 in | Coldest, Driest |
| February | 41°F (5°C) | 2.6 in | |
| March | 50°F (10°C) | 4.3 in | |
| April | 59°F (15°C) | 4.4 in | |
| May | 66°F (19°C) | 5.6 in | Wettest |
| June | 74°F (23°C) | 4.4 in | |
| July | 79°F (26°C) | 3.2 in | Warmest |
| August | 78°F (26°C) | 3.6 in | |
| September | 71°F (22°C) | 4.9 in | |
| October | 60°F (16°C) | 4.1 in | |
| November | 49°F (9°C) | 4.1 in | |
| December | 39°F (4°C) | 3.1 in |
Fairfield has a seasonal temperature swing of 41°F / from 38°F in January to 79°F in July. Total annual precipitation is 46.2 inches, with May being the wettest month (5.6") and January the driest (2.1").