Cook County Климат and Average Време
Климат of Cook County: average temperatures, rainfall and seasons month by month.
Климат in Cook County month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Месец | Avg high | Avg low | Дъждfall | Rating |
|---|---|---|---|---|
| януари | -2° | -8° | 73 mm | ★★☆☆☆ |
| февруари | 4° | -4° | 19 mm | ★★★☆☆ |
| март | 11° | 1° | 103 mm | ★★★☆☆ |
| април | 15° | 6° | 113 mm | ★★★☆☆ |
| май | 20° | 11° | 68 mm | ★★★★☆ |
| юни | 26° | 18° | 126 mm | ★★★★☆ |
| юли | 28° | 20° | 127 mm | ★★★★☆ |
| август | 27° | 19° | 116 mm | ★★★★☆ |
| септември | 24° | 17° | 74 mm | ★★★★☆ |
| октомври | 18° | 10° | 79 mm | ★★★★☆ |
| ноември | 10° | 3° | 68 mm | ★★★☆☆ |
| декември | 3° | -3° | 68 mm | ★★☆☆☆ |
Климат type: Континентal. Източник: Open-Meteo archive (ERA5).
Recent extremes in Cook County
Високоest and lowest readings observed in the last 3 years of reanalysis data - not all-time records.
How Cook County compares с 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 |
Най-добро време за посещение Cook County
Go in май, юни, август, септември and октомври. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: януари, февруари and декември - expect the least comfortable mix of heat, cold or rain.
What this means for Cook County
Today is slightly warmer than average for октомври. The forecast high of 22°C is 3.6°C above the 18°C typical for this month.
Дъжд 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 юни до август.
The gap between the warmest and coldest month averages 29°C.
What до pack, what до skip
- Layers - the daily swing is 13°C, so mornings feel nothing like afternoons
- If your dates are flexible, avoid януари, февруари and декември - historically the least comfortable months here.
Обобщение
Cook County is a county in Illinois. Cook County is a county in the United States. Населението е около 5.1 million.
В момента е 13°C (55°F) in Cook County с Ясно. Усеща се като 11°C. Днес температурите са от 9°C до 22°C. Вероятността за валежи е 1%. Sightseeing conditions score 9.3/10 - Отлично — тръгнете сега.
Най-доброто време за посещение на Cook County is май, юни, август, септември and октомври. Климатът е continental. януари, февруари and декември tend до be the least comfortable months. юли is the warmest month с average highs near 28°C, while януари is the coldest с 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.
Накратко. Today is slightly warmer than average for октомври. The forecast high of 22°C is 3.6°C above the 18°C typical for this month. The best window до be outside is roughly 10 AM до 1 PM, when temperature, rain chance and wind line up best. hiking is the strongest bet in Cook County today at 9.7/10. 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 |
| Държава | Съединени щати |
| Континент | Северна Америка |
| Координати | 41°52′41.2″N 87°37′47.3″W (41.8781, -87.6298) |
| Население | 5.100.000 |
| Местно време | 5:43 PM (UTC-05:00) |
| Best months | май, юни, август, септември and октомври |
| Климат | Континентal |
Време map for Cook County
Animated model layers. Pick a layer до load it.
Animated layers by Вятърy. 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.
Климат 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 Северна Америка.
What is the weather like in Cook County в момента?
It is currently 13°C (55°F) с Ясно. Влажност is 71% and wind is 8 km/h.
When is the best time до visit Cook County?
май, юни, август, септември and октомври offer the most comfortable conditions in Cook County, which has a continental climate. януари, февруари and декември 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 5:43 PM.
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. |
|---|---|
| Прогноза and observations | Open-Meteo (ECMWF and national models). |
| Качество на въздуха and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Климат averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Official alerts | US National Време 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 октомври 26, 2026 at 5:43 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.
