All Countries
Valmeyer, IL
Full City Profile · Illinois · Monroe County County
3.8
/5.0
B+
Good
1,109
Population
324/sq mi density
$93,472
Median Income
$42,668 per capita
$208,600
Home Value
$251,398 Zillow
$1,210
Median Rent
18.7% income on rent
56°F
Avg Temperature
293 sunny days/yr
B+
Overall
3.8 / 5.0
Good overall score based on economy, affordability, safety and education
A+
Economy
4.9 / 5.0
$93,472 median income, 1.9% unemployment
A+
Affordability
5.0 / 5.0
$208,600 home value, $1,210/mo rent
C+
Safety
2.5 / 5.0
0 violent crimes/100K
C+
Education
2.7 / 5.0
21.6% bachelor's degree or higher
Valmeyer enjoys a temperate climate with an average annual temperature of 56°F (13°C). Winters average 32°F in January while summers reach 78°F in July. The area gets 293 sunny days per year. Annual precipitation totals 43.6 inches. The area receives 9.2 inches of snow annually. Air quality is rated Good with a median AQI of 43.
Temperature
32°F Jan (-0°C)
78°F Jul (25°C)
| Annual Average | 55.7°F |
| 3% above US avg | |
| January Average | 32°F (-0°C) |
| July Average | 78°F (25°C) |
| Sunny Days | 293 days/yr |
Geography
| Elevation | 615 ft (187 m) |
| Area | 3.5 sq mi (9.0 km²) |
| Population Density | 324/sq mi |
| Coordinates | 38.3058°N, 90.2983°W |
| Timezone | America/Chicago |
| County | Monroe County County |
| Nearest Airport | St Louis Lambert International (STL) 31 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 43.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 41.9 / 100 |
| Social Vulnerability | 10.6 / 100 |
| Community Resilience | 94.9 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Very Low |
| Earthquake | Relatively Low |
| Wildfire | Very Low |
| Flood | Very Low |
| Hail | Relatively Low |
| Strong Wind | Relatively Moderate |
| Heat Wave | Relatively Moderate |
| Winter Weather | Relatively Low |
| Lightning | Relatively Low |
| Ice Storm | Very 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 | 32°F (-0°C) | 2.1 in | Coldest, Driest |
| February | 35°F (1°C) | 2.3 in | |
| March | 45°F (7°C) | 3.8 in | |
| April | 55°F (13°C) | 3.7 in | |
| May | 65°F (18°C) | 4.1 in | Wettest |
| June | 73°F (23°C) | 3.5 in | |
| July | 78°F (25°C) | 3.6 in | Warmest |
| August | 76°F (24°C) | 3.3 in | |
| September | 69°F (21°C) | 3.5 in | |
| October | 58°F (14°C) | 2.9 in | |
| November | 46°F (8°C) | 3.7 in | |
| December | 35°F (1°C) | 3.3 in |
Valmeyer has a seasonal temperature swing of 46°F / from 32°F in January to 78°F in July. Total annual precipitation is 39.7 inches, with May being the wettest month (4.1") and January the driest (2.1").