Cook County Iklim and Average Cuaca
Iklim of Cook County: average temperatures, rainfall and seasons month by month.
Iklim in Cook County month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Bulan | Avg high | Avg low | Hujanfall | Rating |
|---|---|---|---|---|
| Januari | -2° | -8° | 73 mm | ★★☆☆☆ |
| Februari | 4° | -4° | 19 mm | ★★★☆☆ |
| Mac | 11° | 1° | 103 mm | ★★★☆☆ |
| April | 15° | 6° | 113 mm | ★★★☆☆ |
| Mei | 20° | 11° | 68 mm | ★★★★☆ |
| Jun | 26° | 18° | 126 mm | ★★★★☆ |
| Julai | 28° | 20° | 127 mm | ★★★★☆ |
| Ogos | 27° | 19° | 116 mm | ★★★★☆ |
| September | 24° | 17° | 74 mm | ★★★★☆ |
| Oktober | 18° | 10° | 79 mm | ★★★★☆ |
| November | 10° | 3° | 68 mm | ★★★☆☆ |
| Disember | 3° | -3° | 68 mm | ★★☆☆☆ |
Iklim type: Benuaal. Sumber: Open-Meteo archive (ERA5).
Recent extremes in Cook County
Tinggiest and lowest readings observed in the last 3 years of reanalysis data - not all-time records.
How Cook County compares dengan 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 |
Masa terbaik untuk berkunjung Cook County
Go in Mei, Jun, Ogos, September and Oktober. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: Januari, Februari and Disember - expect the least comfortable mix of heat, cold or rain.
What this means for Cook County
Today is slightly warmer than average for Oktober. The forecast high of 21°C is 3.5°C above the 18°C typical for this month.
Hujan is very unlikely today - plans do not need a backup.
No weather-related travel disruption is expected today. Roads and airports should run normally.
Northern Hemisphere, so peak summer falls in Jun hingga Ogos.
The gap between the warmest and coldest month averages 29°C.
What hingga pack, what hingga skip
- Ahaglasses, a brimmed hat and SPF 30+
- Layers - the daily swing is 20°C, so mornings feel nothing like afternoons
- If your dates are flexible, avoid Januari, Februari and Disember - historically the least comfortable months here.
Ringkasan
Cook County is a county in Illinois. Cook County is a county in the United States. Mempunyai penduduk sekitar 5.1 million.
Sekarang suhu ialah 9°C (49°F) in Cook County dengan langit cerah. Suhu terasa seperti 6°C. Hari ini suhu antara 8°C hingga 21°C. Kebarangkalian hujan ialah 4%. Sightseeing conditions score 8.5/10 - cemerlang — bertolak sekarang.
Masa terbaik untuk melawat Cook County is Mei, Jun, Ogos, September and Oktober. Iklimnya continental. Januari, Februari and Disember tend hingga be the least comfortable months. Julai is the warmest month dengan average highs near 28°C, while Januari is the coldest dengan lows near -8°C.
The closest major airport is O'Hare International Airport (ORD), about 25 km away. Nearby highlights include Indiana Dunes National Park, Starved Rock State Park and Lake Michigan.
Ringkasnya. Today is slightly warmer than average for Oktober. The forecast high of 21°C is 3.5°C above the 18°C typical for this month. The best window hingga be outside is roughly 3 PM hingga 6 PM, when temperature, rain chance and wind line up best. stargazing is the strongest bet in Cook County today at 9.9/10. 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.
Quick facts about Cook County
| Jenis | County |
|---|---|
| State | Illinois |
| Negara | Amerika Syarikat |
| Benua | Amerika Utara |
| Koordinat | 41°52′41.2″N 87°37′47.3″W (41.8781, -87.6298) |
| Penduduk | 5.100.000 |
| Waktu tempatan | 8:11 AM (UTC-05:00) |
| Best months | Mei, Jun, Ogos, September and Oktober |
| Iklim | Benuaal |
Cuaca map for Cook County
Animated model layers. Pick a layer hingga load it.
Animated layers by Anginy. For pin-level detail and nearby places, see the interactive map below.
Explore Cook County
Every topic we hold for this place, and the same topic for the places around it.
Iklim 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 Amerika Utara.
What is the weather like in Cook County sekarang?
It is currently 9°C (49°F) dengan langit cerah. Kelembapan is 78% and wind is 12 km/h.
When is the best time hingga visit Cook County?
Mei, Jun, Ogos, September and Oktober offer the most comfortable conditions in Cook County, which has a continental climate. Januari, Februari and Disember are usually the hardest months for outdoor plans.
What time zone is Cook County in?
Cook County observes America/Chicago (UTC-05:00). The local time is 8:11 AM.
How many people live in Cook County?
Cook County has a population of approximately 5.1 million.
What is the nearest airport hingga Cook County?
The closest airports are O'Hare International Airport (ORD), 25 km away.
What are the top things hingga 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. |
|---|---|
| Ramalan and observations | Open-Meteo (ECMWF and national models). |
| Kualiti udara and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Iklim averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Official alerts | US National Cuaca 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 6, 2026 at 8:11 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.
