Griggsville, IL
Full City Profile · Illinois · Pike County County
3.1
/5.0
B
Good
1,272
Population
1,146/sq mi density
$37,457
Median Income
$22,649 per capita
$84,400
Home Value
$107,933 Zillow
$556
Median Rent
29.7% income on rent
54°F
Avg Temperature
B
Overall
3.1 / 5.0
Good overall score based on economy, affordability, safety and education
C+
Economy
2.7 / 5.0
$37,457 median income, 2.9% unemployment
A+
Affordability
5.0 / 5.0
$84,400 home value, $556/mo rent
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. Annual precipitation totals 40.5 inches. The area receives 15.6 inches of snow annually.
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) |
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
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) | 2.0 in | Coldest, Driest |
| February | 32°F (0°C) | 2.1 in | |
| March | 42°F (6°C) | 3.0 in | |
| April | 54°F (12°C) | 4.1 in | |
| May | 65°F (18°C) | 4.8 in | |
| June | 74°F (23°C) | 5.0 in | Wettest |
| July | 77°F (25°C) | 4.1 in | Warmest |
| August | 75°F (24°C) | 3.4 in | |
| September | 67°F (20°C) | 3.6 in | |
| October | 56°F (13°C) | 3.0 in | |
| November | 44°F (6°C) | 2.9 in | |
| December | 33°F (0°C) | 2.3 in |
Griggsville has a seasonal temperature swing of 49°F / from 28°F in January to 77°F in July. Total annual precipitation is 40.5 inches, with June being the wettest month (5.0") and January the driest (2.0").