State in Stati Uniti

Geografia of Illinois

Geografia of Illinois: location, coordinates, elevation, terrain and the places around it.

☁️ 22°C now🕔 1:52 AM local📅 Best: mag, agosto, settembre and ottobre👥 12.6 million

Geografia of Illinois

Latitude39.7817
Longitude-89.6501
Area149.995 km²
HemisphereNorthern

Gateway Arch National Park is 137 km a the south, St. Louis is 137 km a the south, Missouri is 255 km a the south-west and Indiana is 298 km a the east.

Mappa di Illinois

Mappa interattiva con luoghi vicini. Switch between street, terrain and satellite views.

Coordinate: 39°46′54.1″N 89°39′0.4″W (39.7817, -89.6501)

Quick facts about Illinois

TipoState
PaeseStati Uniti
ContinenteAmerica del Nord
Coordinate39°46′54.1″N 89°39′0.4″W (39.7817, -89.6501)
CapitalSpringfield
Popolazione12.600.000
Area149.995 km²
AbbreviationIL
Fuso orarioAmerica/Chicago
Ora locale1:52 AM (UTC-05:00)
Mesi migliorimag, agosto, settembre and ottobre
ClimaContinenteal

Geografia by city in Illinois

1 cities mapped in this atlas

Geografia by state park in Illinois

1 state and provincial parks mapped in this atlas

Geografia by county in Illinois

1 counties mapped in this atlas

Geografia by lake in Illinois

1 lakes mapped in this atlas

Riepilogo

Illinois is a state in Stati Uniti. Illinois is a US state con capitale Springfield. Ha una popolazione di circa 12.6 million. La capitale è Springfield.

Attualmente ci sono 22°C (71°F) in Illinois con coperto. La temperatura percepita è di 20°C. Oggi le temperature vanno da 22°C a 36°C. La probabilità di precipitazioni è del 23%. Le condizioni per le visite turistiche sono valutate 8.8/10 – eccellente — vai ora.

Il periodo migliore per visitare Illinois is mag, agosto, settembre and ottobre. Il clima è continental. gennaio, febbraio and dicembre tendono a essere i mesi meno confortevoli. luglio è il mese più caldo, con massime medie intorno a 29°C, mentre gennaio è il mese più freddo, con minime intorno a -7°C.

L'aeroporto principale più vicino è O'Hare International Airport (ORD), about 284 km away. Tra i luoghi di interesse nelle vicinanze ci sono Starved Rock State Park, Lake Michigan, Gateway Arch National Park and Indiana Dunes National Park.

In parole semplici. Today is much warmer than average for settembre. The forecast high of 36°C is 9.6°C above the 27°C typical for this month. The best window a be outside is roughly 7 AM a 10 AM, when temperature, rain chance and wind line up best. fishing is the strongest bet in Illinois today at 9/10. No weather-related travel disruption is expected today. Roads and airports should run normally.

Compiled from this page's own data: atlas facts plus live Open-Meteo readings.

Clima in Illinois month by month

Average high, average low and total rainfall, based on three years of reanalysis data.

genfebmaraprmaggiulugagosetottnovdicLine: average high · Bars: rainfall
MeseMassima mediaMinima mediaPrecipitazioniValutazione
gennaio-7°62 mm★★☆☆☆
febbraio-3°20 mm★★★☆☆
marzo15°90 mm★★★☆☆
aprile19°135 mm★★★☆☆
mag24°13°100 mm★★★★
giugno28°19°117 mm★★★★
luglio29°21°129 mm★★★★
agosto29°20°58 mm★★★★
settembre27°16°42 mm★★★★
ottobre20°10°37 mm★★★★
novembre12°79 mm★★★☆☆
dicembre-2°62 mm★★☆☆☆

Clima type: Continenteal. Fonte: Open-Meteo archive (ERA5).

Explore Illinois

Every topic we hold for this place, and the same topic for the places around it.

Geografia for related places

Frequently asked questions

Where is Illinois?

Illinois is a state in Stati Uniti. Its coordinates are 39.7817, -89.6501. It lies in America del Nord.

What is the weather like in Illinois ora?

It is currently 22°C (71°F) con coperto. Umidità is 54% and wind is 17 km/h.

When is the best time a visit Illinois?

mag, agosto, settembre and ottobre offer the most comfortable conditions in Illinois, which has a continental climate. gennaio, febbraio and dicembre are usually the hardest months for outdoor plans.

What time zone is Illinois in?

Illinois observes America/Chicago (UTC-05:00). The ora locale is 1:52 AM.

How many people live in Illinois?

Illinois has a population of approximately 12.6 million.

What is the nearest airport a Illinois?

The closest airports are O'Hare International Airport (ORD), 284 km away and Nashville International Airport (BNA), 483 km away.

What are the top things a do in Illinois?

Popular options include Starved Rock State Park, Lake Michigan, Gateway Arch National Park and Indiana Dunes National Park.

What places are in Illinois?

Illinois covers 4 places in this atlas, including Chicago, Starved Rock State Park, Cook County and Lake Michigan.

Related articles

Data sources and methodology

Place dataUSPOTUS Atlas dataset (us-states) – coordinates, hierarchy and facts.
Mappa tilesOpenStreetMappa contributors, CARTO and Esri.
ElevationOpen-Meteo digital elevation model where the dataset has no value.
MethodScores, comparisons and advice on this page are computed from the inputs above. Distances are straight-line. Nothing is estimated where data is missing – the block is simply not shown.

Last updated settembre 15, 2026 at 1:52 AM ora locale. Live blocks refresh every 15 minutes; climate averages monthly.

Davil Hofile
Written byWriter at USPOTUS

Davil Hofile is a writer at USPOTUS covering breaking news, NFL updates, viral stories, entertainment, pets, and lifestyle. He specializes in transforming complex news into clear, trustworthy, and engaging articles that help readers quickly understand what's happening across the United States. His reporting follows Google's E-E-A-T guidelines, emphasizing accuracy, credible sources, and practical value for readers.

More from Davil Hofile