Hot-summer humid continental
Jacksonville, Illinois
Morgan County, Illinois · Population 17k · 623 ft elevation
Living in Jacksonville
Jacksonville has a hot-summer humid continental climate: hot summers (July highs around 87°F) and cold winters (January lows around 18°F).
Precipitation is wet at about 41″ a year, and it gets light snow (16″ a season).
Skies are sunny (62% of possible sunshine). Summers get sticky, with about 53 muggy days a year.
Air quality is moderate: a median AQI of 41, with about 3 unhealthy-air days in the latest year.
Jacksonville at a glance
- Population
- 17k
- Elevation
- 623 ft
- Average daily high
- 64°F39th percentile
- Average daily low
- 42°F30th percentile
- Annual precipitation
- 41″40th percentile
- Annual snowfall
- 16″53th percentile
- Sunshine hours per year
- 2,792 hrs48th percentile
- Median AQI
- 4144th percentile
- Median home value
- $128k13th percentile
- Median rent
- $703/mo5th percentile
- Median household income
- $63k34th percentile
- Property tax rate
- 2.06%90th percentile
- Top state income-tax rate
- 5.0%
- Sales tax (state + local)
- 8.9%
- Unemployment rate
- 6.7%
- Homes with broadband
- 81%10th percentile
- Walkability index
- 7.837th percentile
- Average commute
- 16 min
- Math proficiency (8th grade)
- 27%19th percentile
- Reading proficiency (8th grade)
- 37%
- Violent crime rate
- 198 per 100k55th percentile
- Property crime rate
- 1,786 per 100k
- Overall natural-hazard risk
- 7124th percentile
- Outdoor access
- 66th percentile
- Public land within 10 miles
- 0%
- Public land within 30 miles
- 2%
- Mountain relief within 30 miles
- 230 ft
Climate by month
| Month | High | Low | Precipitation | Snow | Sunshine |
|---|---|---|---|---|---|
| Jan | 35°F | 18°F | 2.2″ | 5.1″ | 146 hrs |
| Feb | 41°F | 21°F | 2.0″ | 4.3″ | 153 hrs |
| Mar | 52°F | 30°F | 3.0″ | 2.0″ | 195 hrs |
| Apr | 65°F | 41°F | 4.5″ | 0.3″ | 239 hrs |
| May | 75°F | 53°F | 5.1″ | — | 273 hrs |
| Jun | 83°F | 62°F | 5.0″ | — | 324 hrs |
| Jul | 87°F | 65°F | 4.0″ | — | 346 hrs |
| Aug | 86°F | 63°F | 3.3″ | — | 317 hrs |
| Sep | 80°F | 55°F | 3.8″ | — | 275 hrs |
| Oct | 67°F | 43°F | 3.1″ | — | 217 hrs |
| Nov | 52°F | 32°F | 3.1″ | 1.0″ | 172 hrs |
| Dec | 40°F | 23°F | 2.4″ | 3.5″ | 136 hrs |
Near Jacksonville
- South Jacksonville, IL · 3.3k
- Beardstown, IL · 6k
- Auburn, IL · 4.4k
- Petersburg, IL · 2.6k
- Chatham, IL · 15k
- Virden, IL · 3.2k
- Carrollton, IL · 2.5k
- Springfield, IL · 114k
Largest places in Illinois
- Chicago, IL · 2.7M
- Aurora, IL · 180k
- Joliet, IL · 150k
- Naperville, IL · 149k
- Rockford, IL · 148k
- Elgin, IL · 114k
- Peoria, IL · 112k
- Waukegan, IL · 89k
Sources: NOAA climate normals, NASA POWER, EPA air quality, U.S. Census Bureau, FEMA, FBI, EPA walkability and EDFacts. Methodology