Cook County Клімат and Average Погода
Клімат of Cook County: average temperatures, rainfall and seasons month by month.
Клімат in Cook County month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Місяць | Avg high | Avg low | Дощfall | Rating |
|---|---|---|---|---|
| січень | -2° | -8° | 73 mm | ★★☆☆☆ |
| лютий | 4° | -4° | 19 mm | ★★★☆☆ |
| березень | 11° | 1° | 103 mm | ★★★☆☆ |
| квітень | 15° | 6° | 113 mm | ★★★☆☆ |
| тра | 20° | 11° | 68 mm | ★★★★☆ |
| червень | 26° | 18° | 126 mm | ★★★★☆ |
| липень | 28° | 20° | 127 mm | ★★★★☆ |
| серпень | 27° | 19° | 116 mm | ★★★★☆ |
| вересень | 24° | 17° | 74 mm | ★★★★☆ |
| жовтень | 18° | 10° | 79 mm | ★★★★☆ |
| листопад | 10° | 3° | 68 mm | ★★★☆☆ |
| грудень | 3° | -3° | 68 mm | ★★☆☆☆ |
Клімат type: Континентal. Джерело: Open-Meteo archive (ERA5).
Recent extremes in Cook County
Високийest and lowest readings observed in the last 3 years of reanalysis data - not all-time records.
How Cook County compares з 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 |
Найкращий час для відвідування Cook County
Go in тра, червень, серпень, вересень and жовтень. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: січень, лютий and грудень - expect the least comfortable mix of heat, cold or rain.
What this means for Cook County
Today is about average for жовтень. The forecast high of 17°C is in line з the 18°C typical for this month.
Дощ 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 червень до серпень.
The gap between the warmest and coldest month averages 29°C.
What до pack, what до skip
- Layers - the daily swing is 17°C, so mornings feel nothing like afternoons
- If your dates are flexible, avoid січень, лютий and грудень - historically the least comfortable months here.
Підсумок
Cook County is a county in Illinois. Cook County is a county in the United States. Населення становить близько 5.1 million.
Зараз 7°C (44°F) in Cook County з Хмарно. Відчувається як 5°C. Сьогодні температура від 6°C до 17°C. Ймовірність опадів становить 0%. Sightseeing conditions score 8.4/10 - Хороші умови.
Найкращий час для відвідування Cook County is тра, червень, серпень, вересень and жовтень. Клімат — continental. січень, лютий and грудень tend до be the least comfortable months. липень is the warmest month з average highs near 28°C, while січень is the coldest з 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.
Простіше кажучи. Today is about average for жовтень. The forecast high of 17°C is in line з the 18°C typical for this month. The best window до be outside is roughly 12 PM до 3 PM, when temperature, rain chance and wind line up best. running 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
| Тип | County |
|---|---|
| State | Illinois |
| Країна | Сполучені Штати |
| Континент | Північна Америка |
| Координати | 41°52′41.2″N 87°37′47.3″W (41.8781, -87.6298) |
| Населення | 5.100.000 |
| Місцевий час | 6:05 AM (UTC-05:00) |
| Best months | тра, червень, серпень, вересень and жовтень |
| Клімат | Континентal |
Погода map for Cook County
Animated model layers. Pick a layer до load it.
Animated layers by Вітерy. 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.
Клімат 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 Північна Америка.
What is the weather like in Cook County зараз?
It is currently 7°C (44°F) з Хмарно. Вологість is 91% and wind is 4 km/h.
When is the best time до visit Cook County?
тра, червень, серпень, вересень and жовтень offer the most comfortable conditions in Cook County, which has a continental climate. січень, лютий and грудень 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 6:05 AM.
How many people live in Cook County?
Cook County has a population of approximately 5.1 million.
What is the nearest airport до Cook County?
The closest airports are O'Hare International Airport (ORD), 25 km away.
What are the top things до 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. |
|---|---|
| Прогноз and observations | Open-Meteo (ECMWF and national models). |
| Якість повітря and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Клімат averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Official alerts | US National Погода 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 жовтень 23, 2026 at 6:05 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.
