Illinois मौसम पूर्वानुमान
Illinois weather: 24°C, बादल छाए. प्रति घंटा forecast, 14-day outlook, UV, air quality and the best time से visit.
Illinois weather in फ़रवरी
A workable month, के साथ trade-offs.
फ़रवरी runs 11°C cooler than the annual average in Illinois.
मौसम map for Illinois
Animated model layers. Pick a layer से load it.
Animated layers by हवाy. For pin-level detail and nearby places, see the interactive map below.
जलवायु in Illinois month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| महीना | Avg high | Avg low | बारिशfall | Rating |
|---|---|---|---|---|
| जनवरी | 1° | -7° | 62 mm | ★★☆☆☆ |
| फ़रवरी | 8° | -3° | 20 mm | ★★★☆☆ |
| मार्च | 15° | 4° | 90 mm | ★★★☆☆ |
| अप्रैल | 19° | 9° | 135 mm | ★★★☆☆ |
| मई | 24° | 13° | 100 mm | ★★★★☆ |
| जून | 28° | 19° | 117 mm | ★★★★☆ |
| जुलाई | 29° | 21° | 129 mm | ★★★★☆ |
| अगस्त | 29° | 19° | 75 mm | ★★★★☆ |
| सितंबर | 28° | 17° | 33 mm | ★★★★★ |
| अक्टूबर | 20° | 10° | 37 mm | ★★★★☆ |
| नवंबर | 12° | 4° | 79 mm | ★★★☆☆ |
| दिसंबर | 6° | -2° | 62 mm | ★★☆☆☆ |
जलवायु type: महाद्वीपal. स्रोत: Open-Meteo archive (ERA5).
घूमने का सबसे अच्छा समय Illinois
Go in अगस्त, सितंबर and अक्टूबर. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: जनवरी, फ़रवरी and दिसंबर - expect the least comfortable mix of heat, cold or rain.
What से pack, what से skip
- Lightweight, light-coloured clothing and a refillable water bottle
- रविglasses, a brimmed hat and SPF 30+
- Layers - the daily swing is 26°C, so mornings feel nothing like afternoons
- A packable rain shell - 2 of the next 7 days carry a real chance of rain
- Avoid exposed ridgelines, small boats and rooftop viewpoints while gusts stay above 51 km/h.
- If your dates are flexible, avoid जनवरी, फ़रवरी and दिसंबर - historically the least comfortable months here.
How Illinois compares के साथ nearby places
Annual averages, and the difference against Illinois.
| Place | Distance | Avg temp | vs here | Annual rain |
|---|---|---|---|---|
| Gateway Arch National Park | 137 km | 15°C | +1°C warmer | 1156 mm |
| St. Louis | 137 km | 15°C | +1°C warmer | 1156 mm |
| Missouri | 255 km | 15°C | +1°C warmer | 1006 mm |
| Indianapolis | 298 km | 13°C | 1°C cooler | 1135 mm |
| Indiana | 298 km | 13°C | 1°C cooler | 1135 mm |
इसके लिए पूर्वानुमान देखें: Illinois समयावधि के अनुसार
Illinois weather - more answers
Explore Illinois
Every topic we hold for this place, and the same topic for the places around it.
मौसम for related places
Frequently asked questions
Where is Illinois?
Illinois is a state in संयुक्त राज्य. Its coordinates are 39.7817, -89.6501. It lies in उत्तरी अमेरिका.
What is the weather like in Illinois अभी?
It is currently 24°C (75°F) के साथ बादल छाए. नमी is 52% and wind is 10 km/h.
When is the best time से visit Illinois?
अगस्त, सितंबर and अक्टूबर offer the most comfortable conditions in Illinois, which has a continental climate. जनवरी, फ़रवरी and दिसंबर are usually the hardest months for outdoor plans.
What time zone is Illinois in?
Illinois observes America/Chicago (UTC-05:00). The local time is 5:38 AM.
How many people live in Illinois?
Illinois has a population of approximately 12.6 million.
What is the nearest airport से 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 से 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 data | USPOTUS Atlas dataset (us-states) - coordinates, hierarchy and facts. |
|---|---|
| पूर्वानुमान and observations | Open-Meteo (ECMWF and national models). |
| वायु गुणवत्ता and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| जलवायु averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Official alerts | US National मौसम Service. |
| Method | Scores, 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 अक्टूबर 1, 2026 at 5:38 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.
