Cornish, OK
Full City Profile · Oklahoma · Jefferson County County
3.6
/5.0
B+
Good
119
Population
198/sq mi density
$40,313
Median Income
$22,964 per capita
$112,500
Home Value
$59,452 Zillow
63°F
Avg Temperature
B+
Overall
3.6 / 5.0
Good overall score based on economy, affordability, safety and education
B
Economy
3.3 / 5.0
$40,313 median income, 0.0% unemployment
A+
Affordability
5.0 / 5.0
$112,500 home value, /mo rent
C
Education
2.4 / 5.0
17.0% bachelor's degree or higher
Cornish enjoys a temperate climate with an average annual temperature of 63°F (17°C). Winters average 42°F in January while summers reach 84°F in July. Annual precipitation totals 35.0 inches. The area receives 1.8 inches of snow annually. Air quality is rated Good with a median AQI of 42.
Temperature
42°F Jan (5°C)
84°F Jul (29°C)
| Annual Average | 63.1°F |
| 17% above US avg | |
| January Average | 42°F (5°C) |
| July Average | 84°F (29°C) |
Geography
| Elevation | 875 ft (267 m) |
| Area | 0.6 sq mi (1.5 km²) |
| Population Density | 198/sq mi |
| Coordinates | 34.1636°N, 97.5964°W |
| Timezone | America/Chicago |
| County | Jefferson County County |
| Nearest Airport | Lawton-Fort Sill Regional (LAW) 54 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 42.0 |
| Rating | Good |
| Good Days % | 81.0% |
| Unhealthy Days | 3 |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0513 ppm |
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 20.9 / 100 |
| Social Vulnerability | 89.6 / 100 |
| Community Resilience | 14.3 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Very Low |
| Earthquake | Very Low |
| Wildfire | Relatively Low |
| Flood | Very Low |
| Hail | Relatively Low |
| Strong Wind | Relatively Moderate |
| Heat Wave | Relatively Low |
| Winter Weather | Very Low |
| Lightning | Very Low |
| Ice Storm | Relatively Moderate |
| Drought | Relatively High |
| Cold Wave | Relatively Low |
| Landslide | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 42°F (5°C) | 1.9 in | Coldest, Driest |
| February | 46°F (8°C) | 2.3 in | |
| March | 55°F (13°C) | 2.9 in | |
| April | 63°F (17°C) | 3.1 in | |
| May | 71°F (21°C) | 5.1 in | Wettest |
| June | 79°F (26°C) | 3.5 in | |
| July | 84°F (29°C) | 2.3 in | Warmest |
| August | 83°F (28°C) | 2.7 in | |
| September | 75°F (24°C) | 3.1 in | |
| October | 64°F (18°C) | 3.6 in | |
| November | 53°F (12°C) | 2.4 in | |
| December | 44°F (6°C) | 2.2 in |
Cornish has a seasonal temperature swing of 42°F / from 42°F in January to 84°F in July. Total annual precipitation is 35.0 inches, with May being the wettest month (5.1") and January the driest (1.9").