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Foster, OK
Full City Profile · Oklahoma · Garvin County County
3.4
/5.0
B
Good
229
Population
7/sq mi density
$71,683
Median Income
$36,648 per capita
$226,900
Home Value
$268,088 Zillow
$900
Median Rent
15.0% income on rent
62°F
Avg Temperature
320 sunny days/yr
179
Violent Crime/100K
1,786 property/100K
B
Overall
3.4 / 5.0
Good overall score based on economy, affordability, safety and education
B+
Economy
3.9 / 5.0
$71,683 median income, 2.1% unemployment
A+
Affordability
4.9 / 5.0
$226,900 home value, $900/mo rent
F
Safety
1.0 / 5.0
179 violent crimes/100K
B+
Education
3.7 / 5.0
34.3% bachelor's degree or higher
Foster 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 320 sunny days per year. Annual precipitation totals 38.4 inches. The area receives 3.8 inches of snow annually. Air quality is rated Good with a median AQI of 45.
Temperature
40°F Jan (4°C)
83°F Jul (28°C)
| Annual Average | 61.5°F |
| 14% above US avg | |
| January Average | 40°F (4°C) |
| July Average | 83°F (28°C) |
| Sunny Days | 320 days/yr |
Geography
| Elevation | 990 ft (302 m) |
| Area | 34.5 sq mi (89.3 km²) |
| Population Density | 7/sq mi |
| Coordinates | 34.6060°N, 97.4899°W |
| Timezone | America/Chicago |
| County | Garvin County County |
| Nearest Airport | Ada Regional (ADT) 48 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 45.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 61.7 / 100 |
| Social Vulnerability | 53.2 / 100 |
| Community Resilience | 30.8 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Hurricane | Very Low |
| Earthquake | Very Low |
| Wildfire | Relatively Low |
| Flood | Relatively Low |
| Hail | Relatively Moderate |
| Strong Wind | Relatively Moderate |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively Low |
| Lightning | Relatively Moderate |
| Ice Storm | Relatively High |
| 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 (4°C) | 1.5 in | Coldest, Driest |
| February | 44°F (7°C) | 1.9 in | |
| March | 53°F (12°C) | 3.0 in | |
| April | 62°F (16°C) | 3.4 in | |
| May | 69°F (21°C) | 5.5 in | Wettest |
| June | 77°F (25°C) | 4.2 in | |
| July | 83°F (28°C) | 2.2 in | Warmest |
| August | 82°F (28°C) | 2.3 in | |
| September | 74°F (24°C) | 4.4 in | |
| October | 64°F (18°C) | 4.0 in | |
| November | 51°F (11°C) | 2.5 in | |
| December | 43°F (6°C) | 1.9 in |
Foster has a seasonal temperature swing of 43°F / from 40°F in January to 83°F in July. Total annual precipitation is 36.8 inches, with May being the wettest month (5.5") and January the driest (1.5").