All Countries
Nason, IL
Full City Profile · Illinois · Jefferson County County
2.4
/5.0
C
Fair
252
Population
277/sq mi density
$51,250
Median Income
$23,857 per capita
$77,200
Home Value
$113,855 Zillow
$775
Median Rent
27.5% income on rent
56°F
Avg Temperature
293 sunny days/yr
1,261
Violent Crime/100K
6,224 property/100K
C
Overall
2.4 / 5.0
Fair overall score based on economy, affordability, safety and education
C
Economy
2.3 / 5.0
$51,250 median income, 8.2% unemployment
A+
Affordability
5.0 / 5.0
$77,200 home value, $775/mo rent
F
Safety
1.0 / 5.0
1,261 violent crimes/100K (232% above avg)
F
Education
1.2 / 5.0
2.5% bachelor's degree or higher
Nason enjoys a temperate climate with an average annual temperature of 56°F (13°C). Winters average 31°F in January while summers reach 78°F in July. The area gets 293 sunny days per year. Annual precipitation totals 46.0 inches. Air quality is rated Good with a median AQI of 43.
Temperature
31°F Jan (-1°C)
78°F Jul (26°C)
| Annual Average | 55.9°F |
| 4% above US avg | |
| January Average | 31°F (-1°C) |
| July Average | 78°F (26°C) |
| Sunny Days | 293 days/yr |
Geography
| Elevation | 435 ft (133 m) |
| Area | 0.4 sq mi (0.9 km²) |
| Population Density | 277/sq mi |
| Coordinates | 38.1760°N, 88.9663°W |
| Timezone | America/Chicago |
| County | Jefferson County County |
| Nearest Airport | Cape Girardeau Regional (CGI) 76 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 43.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 77.2 / 100 |
| Social Vulnerability | 52.8 / 100 |
| Community Resilience | 79.1 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Hurricane | Very Low |
| Earthquake | Relatively Moderate |
| Wildfire | Very Low |
| Flood | Relatively Low |
| Hail | Relatively Moderate |
| Strong Wind | Relatively High |
| Heat Wave | Relatively Moderate |
| Winter Weather | Relatively High |
| Lightning | Relatively Low |
| Ice Storm | Relatively Low |
| Drought | Relatively Low |
| Cold Wave | Relatively Low |
| Landslide | Relatively Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 31°F (-1°C) | 2.4 in | Coldest, Driest |
| February | 34°F (1°C) | 2.6 in | |
| March | 45°F (7°C) | 4.2 in | |
| April | 55°F (13°C) | 4.2 in | |
| May | 65°F (18°C) | 4.5 in | Wettest |
| June | 74°F (23°C) | 3.8 in | |
| July | 78°F (26°C) | 3.6 in | Warmest |
| August | 76°F (24°C) | 3.2 in | |
| September | 69°F (21°C) | 3.1 in | |
| October | 57°F (14°C) | 3.0 in | |
| November | 46°F (8°C) | 4.1 in | |
| December | 35°F (2°C) | 3.4 in |
Nason has a seasonal temperature swing of 48°F / from 31°F in January to 78°F in July. Total annual precipitation is 42.1 inches, with May being the wettest month (4.5") and January the driest (2.4").