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Calvin, OK
Full City Profile · Oklahoma · Coal County County
3.3
/5.0
B
Good
374
Population
416/sq mi density
$46,875
Median Income
$18,387 per capita
$76,800
Home Value
$178,783 Zillow
$690
Median Rent
25.0% income on rent
62°F
Avg Temperature
318 sunny days/yr
B
Overall
3.3 / 5.0
Good overall score based on economy, affordability, safety and education
B
Economy
3.4 / 5.0
$46,875 median income, 0.0% unemployment
A+
Affordability
5.0 / 5.0
$76,800 home value, $690/mo rent
C+
Safety
2.5 / 5.0
0 violent crimes/100K
C
Education
2.3 / 5.0
16.1% bachelor's degree or higher
Calvin enjoys a temperate climate with an average annual temperature of 62°F (17°C). Winters average 40°F in January while summers reach 81°F in July. The area gets 318 sunny days per year. Air quality is rated Good with a median AQI of 45.
Temperature
40°F Jan (5°C)
81°F Jul (27°C)
| Annual Average | 61.5°F |
| 14% above US avg | |
| January Average | 40°F (5°C) |
| July Average | 81°F (27°C) |
| Sunny Days | 318 days/yr |
Geography
| Elevation | 751 ft (229 m) |
| Area | 0.9 sq mi (2.3 km²) |
| Population Density | 416/sq mi |
| Coordinates | 34.9664°N, 96.2499°W |
| Timezone | America/Chicago |
| County | Coal County County |
| Nearest Airport | Ada Regional (ADT) 26 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 45.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 32.4 / 100 |
| Social Vulnerability | 97.7 / 100 |
| Community Resilience | 9.5 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Very Low |
| Earthquake | Very Low |
| Wildfire | Relatively Low |
| Flood | Very Low |
| Hail | Relatively High |
| Strong Wind | Very Low |
| Heat Wave | Relatively Low |
| Winter Weather | Very Low |
| Lightning | Very Low |
| Ice Storm | Relatively Moderate |
| Drought | Relatively Moderate |
| Cold Wave | Relatively Low |
| Landslide | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 40°F (5°C) | 1.7 in | Coldest, Driest |
| February | 43°F (6°C) | 2.2 in | |
| March | 52°F (11°C) | 3.7 in | |
| April | 61°F (16°C) | 4.3 in | |
| May | 69°F (20°C) | 5.6 in | Wettest |
| June | 76°F (25°C) | 4.3 in | |
| July | 81°F (27°C) | 2.6 in | Warmest |
| August | 81°F (27°C) | 2.8 in | |
| September | 74°F (23°C) | 4.7 in | |
| October | 63°F (17°C) | 4.3 in | |
| November | 51°F (11°C) | 3.3 in | |
| December | 42°F (6°C) | 2.4 in |
Calvin has a seasonal temperature swing of 41°F / from 40°F in January to 81°F in July. Total annual precipitation is 41.8 inches, with May being the wettest month (5.6") and January the driest (1.7").