Cook County Weer Voorspelling
Cook County weather: 11°C, mist. Per uur forecast, 14-day outlook, UV, air quality and the best time en visit.
Cook County weather in mei
One of the best months en visit Cook County.
mei runs 4°C warmer than the annual average in Cook County.
Compare met april.
Weer map for Cook County
Animated model layers. Pick a layer en load it.
Animated layers by Windy. For pin-level detail and nearby places, see the interactive map below.
Klimaat in Cook County month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Maand | Gem. maximum | Gem. minimum | Neerslag | Beoordeling |
|---|---|---|---|---|
| januari | -2° | -8° | 73 mm | ★★☆☆☆ |
| februari | 4° | -4° | 19 mm | ★★★☆☆ |
| maart | 11° | 1° | 103 mm | ★★★☆☆ |
| april | 15° | 6° | 113 mm | ★★★☆☆ |
| mei | 20° | 11° | 68 mm | ★★★★☆ |
| juni | 26° | 18° | 126 mm | ★★★★☆ |
| juli | 28° | 20° | 127 mm | ★★★★☆ |
| augustus | 27° | 19° | 116 mm | ★★★★☆ |
| september | 24° | 17° | 74 mm | ★★★★☆ |
| oktober | 18° | 10° | 79 mm | ★★★★☆ |
| november | 10° | 3° | 68 mm | ★★★☆☆ |
| december | 3° | -3° | 68 mm | ★★☆☆☆ |
Klimaat type: Continental. Bron: Open-Meteo archive (ERA5).
Beste reistijd Cook County
Go in mei, juni, augustus, september and oktober. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: januari, februari and december – expect the least comfortable mix of heat, cold or rain.
What en pack, what en skip
- Layers – the daily swing is 15°C, so mornings feel nothing like afternoons
- If your dates are flexible, avoid januari, februari and december – historically the least comfortable months here.
How Cook County compares met nearby places
Annual averages, and the difference against Cook County.
| Place | Distance | Avg temp | vs here | Annual rain |
|---|---|---|---|---|
| Area Code 312 | 0 km | 11°C | about the same | 1034 mm |
| Chicago | 0 km | 11°C | about the same | 1034 mm |
| The Loop | 1 km | 11°C | about the same | 1034 mm |
| ZIP Code 60601 | 1 km | 11°C | about the same | 1034 mm |
| Wicker Park | 5 km | 11°C | about the same | 996 mm |
Bekijk de voorspelling voor Cook County per periode
Cook County weather – more answers
Explore Cook County
Every topic we hold for this place, and the same topic for the places around it.
Weer for related places
Frequently asked questions
Where is Cook County?
Cook County is a county in Illinois. Its coordinates are 41.8781, -87.6298. It lies in Noord-Amerika.
What is the weather like in Cook County nu?
It is currently 11°C (52°F) met mist. Luchtvochtigheid is 78% and wind is 2 km/h.
When is the best time en visit Cook County?
mei, juni, augustus, september and oktober offer the most comfortable conditions in Cook County, which has a continental climate. januari, februari and december are usually the hardest months for outdoor plans.
What time zone is Cook County in?
Cook County observes America/Chicago (UTC-05:00). The lokale tijd is 9:20 PM.
How many people live in Cook County?
Cook County has a population of approximately 5.1 million.
What is the nearest airport en Cook County?
The closest airports are O'Hare International Airport (ORD), 25 km away.
What are the top things en do in Cook County?
Popular options include Indiana Dunes National Park, Starved Rock State Park and Lake Michigan.
Related articles
Data sources and methodology
| Place data | USPOTUS Atlas dataset (us-counties) – coordinates, hierarchy and facts. |
|---|---|
| Voorspelling and observations | Open-Meteo (ECMWF and national models). |
| Luchtkwaliteit and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Klimaat averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Official alerts | US National Weer 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 oktober 22, 2026 at 9:20 PM lokale tijd. Live blocks refresh every 15 minutes; climate averages monthly.
