Chicago Klima and Average Wetter
Klima of Chicago: average temperatures, rainfall and seasons month by month.
Klima in Chicago month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Mo.at | Durchschnittliches Maximum | Durchschnittliches Minimum | Niederschlag | Bewertung |
|---|---|---|---|---|
| Januar | -2° | -8° | 73 mm | ★★☆☆☆ |
| Februar | 4° | -4° | 19 mm | ★★★☆☆ |
| März | 11° | 1° | 103 mm | ★★★☆☆ |
| April | 15° | 6° | 113 mm | ★★★☆☆ |
| Mai | 20° | 11° | 68 mm | ★★★★☆ |
| Juni | 26° | 18° | 126 mm | ★★★★☆ |
| Juli | 28° | 20° | 127 mm | ★★★★☆ |
| August | 26° | 19° | 78 mm | ★★★★☆ |
| September | 24° | 16° | 92 mm | ★★★★☆ |
| Oktober | 18° | 10° | 79 mm | ★★★★☆ |
| November | 10° | 3° | 68 mm | ★★★☆☆ |
| Dezember | 3° | -3° | 68 mm | ★★☆☆☆ |
Klima type: Kontinental. Quelle: Open-Meteo archive (ERA5).
Recent extremes in Chicago
Hochest and lowest readings observed in the last 3 years of reanalysis data – not all-time records.
How Chicago compares mit nearby places
Annual averages, and the difference against Chicago.
| Place | Distance | Avg temp | vs here | Annual rain |
|---|---|---|---|---|
| Cook County | 0 km | 11°C | about the same | 1014 mm |
| Indiana Dunes National Park | 54 km | 11°C | about the same | 1069 mm |
| Starved Rock State Park | 129 km | 12°C | +1°C warmer | 1000 mm |
| Milwaukee | 131 km | 10°C | 1°C cooler | 879 mm |
| Wisconsin | 197 km | 10°C | 2°C cooler | 846 mm |
Klima by airport in Chicago
1 airports mapped in this atlas
Klima by district in Chicago
2 districts and neighborhoods mapped in this atlas
Klima by zip / postal code in Chicago
1 zip and postal codes mapped in this atlas
Klima by area code in Chicago
1 area codes mapped in this atlas
Beste Reisezeit Chicago
Go in Mai, Juni, August, September and Oktober. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: Januar, Februar and Dezember – expect the least comfortable mix of heat, cold or rain.
What this means for Chicago
Today is slightly warmer than average for August. The forecast high of 30°C is 3.5°C above the 26°C typical for this month.
A 15% chance means most of the area stays dry; a passing shower is possible but short.
No weather-related travel disruption is expected today. Roads and airports should run normally.
Northern Hemisphere, so peak summer falls in Juni und August.
The gap between the warmest and coldest month averages 29°C.
What und pack, what und skip
- Lightweight, light-coloured clothing and a refillable water bottle
- So.glasses, a brimmed hat and SPF 30+
- If your dates are flexible, avoid Januar, Februar and Dezember – historically the least comfortable months here.
Zusammenfassung
Chicago is a city in Illinois. Chicago is known for Architecture, deep-dish and lakefront. Die Einwohnerzahl beträgt etwa 2.7 million.
Aktuell sind es 17°C (63°F) in Chicago mit teilweise bewölkt. Die gefühlte Temperatur beträgt 18°C. Heute liegen die Temperaturen zwischen 17°C und 30°C. Die Niederschlagswahrscheinlichkeit beträgt 15%. Die Bedingungen für Besichtigungen erreichen 9.4/10 – ausgezeichnet — jetzt los.
Die beste Reisezeit für Chicago is Mai, Juni, August, September and Oktober. Das Klima ist continental. Januar, Februar and Dezember sind meist die ungemütlichsten Mo.ate. Juli ist der wärmste Mo.at mit durchschnittlichen Höchstwerten um 28°C, während Januar ist der kälteste Mo.at mit Tiefstwerten um -8°C.
Der nächstgelegene große Flughafen ist O'Hare International Airport (ORD), about 25 km away. Zu den Sehenswürdigkeiten in der Nähe gehören Indiana Dunes National Park, Starved Rock State Park and Lake Michigan.
Kurz gesagt. Today is slightly warmer than average for August. The forecast high of 30°C is 3.5°C above the 26°C typical for this month. The best window und be outside is roughly 8 AM und 11 AM, when temperature, rain chance and wind line up best. fishing is the strongest bet in Chicago today at 9.5/10. 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.
Quick facts about Chicago
| Typ | City |
|---|---|
| State | Illinois |
| Land | Vereinigte Staaten |
| Kontinent | Nordamerika |
| Koordinaten | 41°52′41.2″N 87°37′47.3″W (41.8781, -87.6298) |
| Bevölkerung | 2.700.000 |
| Known for | Architecture, deep-dish and lakefront |
| Ortszeit | 2:44 AM (UTC-05:00) |
| Beste Mo.ate | Mai, Juni, August, September and Oktober |
| Klima | Kontinental |
Wetter map for Chicago
Animated model layers. Pick a layer und load it.
Animated layers by Windy. For pin-level detail and nearby places, see the interactive map below.
Explore Chicago
Every topic we hold for this place, and the same topic for the places around it.
Klima for related places
Frequently asked questions
Where is Chicago?
Chicago is a city in Illinois. Its coordinates are 41.8781, -87.6298. It lies in Nordamerika.
What is the weather like in Chicago jetzt?
It is currently 17°C (63°F) mit teilweise bewölkt. Luftfeuchtigkeit is 84% and wind is 8 km/h.
When is the best time und visit Chicago?
Mai, Juni, August, September and Oktober offer the most comfortable conditions in Chicago, which has a continental climate. Januar, Februar and Dezember are usually the hardest months for outdoor plans.
What time zone is Chicago in?
Chicago observes America/Chicago (UTC-05:00). The Ortszeit is 2:44 AM.
How many people live in Chicago?
Chicago has a population of approximately 2.7 million.
What is the nearest airport und Chicago?
The closest airports are O'Hare International Airport (ORD), 25 km away.
What are the top things und do in Chicago?
Popular options include Indiana Dunes National Park, Starved Rock State Park and Lake Michigan.
What places are in Chicago?
Chicago covers 5 places in this atlas, including O'Hare International Airport, The Loop, Wicker Park, ZIP Code 60601 and Area Code 312.
Related articles
Data sources and methodology
| Place data | USPOTUS Atlas dataset (cities-us) – coordinates, hierarchy and facts. |
|---|---|
| Vorhersage and observations | Open-Meteo (ECMWF and national models). |
| Luftqualität and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Klima averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Official alerts | US National Wetter 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 August 26, 2026 at 2:44 AM Ortszeit. Live blocks refresh every 15 minutes; climate averages monthly.
