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Griggsville, IL
Full City Profile · Illinois · Pike County County
3.0
/5.0
B
Good
1,272
Population
1,146/sq mi density
$37,457
Median Income
$22,649 per capita
$84,400
Home Value
$117,300 Zillow
$556
Median Rent
29.7% income on rent
54°F
Avg Temperature
293 sunny days/yr
B
Overall
3.0 / 5.0
Good overall score based on economy, affordability, safety and education
C+
Economy
2.8 / 5.0
$37,457 median income, 1.7% unemployment
A+
Affordability
5.0 / 5.0
$84,400 home value, $556/mo rent
C+
Safety
2.5 / 5.0
0 violent crimes/100K
D
Education
1.5 / 5.0
6.4% bachelor's degree or higher
Griggsville experiences four distinct seasons with an average annual temperature of 54°F (12°C). Winters average 28°F in January while summers reach 77°F in July. The area gets 293 sunny days per year. Annual precipitation totals 40.5 inches. The area receives 15.6 inches of snow annually. Air quality is rated Good with a median AQI of 43.
Temperature
28°F Jan (-3°C)
77°F Jul (25°C)
| Annual Average | 53.8°F |
| 0% below US avg | |
| January Average | 28°F (-3°C) |
| July Average | 77°F (25°C) |
| Sunny Days | 293 days/yr |
Geography
| Elevation | 693 ft (211 m) |
| Area | 1.1 sq mi (2.8 km²) |
| Population Density | 1,146/sq mi |
| Coordinates | 39.7078°N, 90.7276°W |
| Timezone | America/Chicago |
| County | Pike County County |
| Nearest Airport | Quincy Regional-Baldwin Field (UIN) 30 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 43.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 30.3 / 100 |
| Social Vulnerability | 41.9 / 100 |
| Community Resilience | 54.8 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Very Low |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Very Low |
| Hail | Relatively Low |
| Strong Wind | Relatively Moderate |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively Low |
| Lightning | Relatively Low |
| Ice Storm | Very Low |
| Drought | Relatively Moderate |
| Cold Wave | Relatively Low |
| Landslide | Relatively Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 28°F (-3°C) | 1.5 in | Coldest, Driest |
| February | 30°F (-1°C) | 1.6 in | |
| March | 42°F (5°C) | 3.1 in | |
| April | 53°F (12°C) | 3.8 in | |
| May | 63°F (17°C) | 4.5 in | Wettest |
| June | 72°F (22°C) | 3.7 in | |
| July | 77°F (25°C) | 3.9 in | Warmest |
| August | 74°F (23°C) | 3.4 in | |
| September | 67°F (19°C) | 3.7 in | |
| October | 55°F (13°C) | 3.0 in | |
| November | 42°F (6°C) | 3.1 in | |
| December | 30°F (-1°C) | 2.5 in |
Griggsville has a seasonal temperature swing of 49°F / from 28°F in January to 77°F in July. Total annual precipitation is 37.6 inches, with May being the wettest month (4.5") and January the driest (1.5").