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Jennings, KS
Full City Profile · Kansas · Decatur County County
3.5
/5.0
B+
Good
89
Population
330/sq mi density
$85,000
Median Income
$38,006 per capita
$41,100
Home Value
$100,630 Zillow
52°F
Avg Temperature
326 sunny days/yr
114
Violent Crime/100K
398 property/100K
B+
Overall
3.5 / 5.0
Good overall score based on economy, affordability, safety and education
A+
Economy
4.7 / 5.0
$85,000 median income, 1.4% unemployment
A+
Affordability
5.0 / 5.0
$41,100 home value, /mo rent
F
Safety
1.0 / 5.0
114 violent crimes/100K
B
Education
3.1 / 5.0
26.6% bachelor's degree or higher
Jennings experiences four distinct seasons with an average annual temperature of 52°F (11°C). Winters average 29°F in January while summers reach 77°F in July. The area gets 326 sunny days per year. Annual precipitation totals 21.8 inches. The area receives 25.2 inches of snow annually. Air quality is rated Good with a median AQI of 39.
Temperature
29°F Jan (-2°C)
77°F Jul (25°C)
| Annual Average | 52.1°F |
| 4% below US avg | |
| January Average | 29°F (-2°C) |
| July Average | 77°F (25°C) |
| Sunny Days | 326 days/yr |
Geography
| Elevation | 2,505 ft (764 m) |
| Area | 0.3 sq mi (0.7 km²) |
| Population Density | 330/sq mi |
| Coordinates | 39.6805°N, 100.2932°W |
| Timezone | America/Chicago |
| County | Decatur County County |
| Nearest Airport | Mc Cook Ben Nelson Regional (MCK) 40 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 39.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 11.3 / 100 |
| Social Vulnerability | 26.0 / 100 |
| Community Resilience | 35.1 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Very Low |
| Hail | Relatively Moderate |
| Strong Wind | Relatively Moderate |
| Heat Wave | Very Low |
| Winter Weather | Relatively Low |
| Lightning | Very Low |
| Ice Storm | Relatively Low |
| Drought | Relatively Moderate |
| Cold Wave | Very Low |
| Landslide | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 29°F (-2°C) | 0.5 in | Coldest, Driest |
| February | 32°F (-0°C) | 0.6 in | |
| March | 40°F (5°C) | 1.5 in | |
| April | 51°F (10°C) | 2.1 in | |
| May | 61°F (16°C) | 3.6 in | Wettest |
| June | 71°F (22°C) | 3.2 in | |
| July | 77°F (25°C) | 3.3 in | Warmest |
| August | 75°F (24°C) | 2.6 in | |
| September | 66°F (19°C) | 1.7 in | |
| October | 53°F (12°C) | 1.2 in | |
| November | 38°F (3°C) | 0.9 in | |
| December | 30°F (-1°C) | 0.5 in |
Jennings has a seasonal temperature swing of 49°F / from 29°F in January to 77°F in July. Total annual precipitation is 21.8 inches, with May being the wettest month (3.6") and January the driest (0.5").