Cook County Klima and Average Počasí
Klima of Cook County: average temperatures, rainfall and seasons month by month.
Klima in Cook County month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Měsíc | Avg high | Avg low | Déšťfall | Rating |
|---|---|---|---|---|
| leden | -2° | -8° | 73 mm | ★★☆☆☆ |
| únor | 4° | -4° | 19 mm | ★★★☆☆ |
| březen | 11° | 1° | 103 mm | ★★★☆☆ |
| duben | 15° | 6° | 113 mm | ★★★☆☆ |
| kvě | 20° | 11° | 68 mm | ★★★★☆ |
| červen | 26° | 18° | 126 mm | ★★★★☆ |
| červenec | 28° | 20° | 127 mm | ★★★★☆ |
| srpen | 26° | 19° | 78 mm | ★★★★☆ |
| září | 24° | 16° | 92 mm | ★★★★☆ |
| říjen | 18° | 10° | 79 mm | ★★★★☆ |
| listopad | 10° | 3° | 68 mm | ★★★☆☆ |
| prosinec | 3° | -3° | 68 mm | ★★☆☆☆ |
Klima type: Kontinental. Zdroj: Open-Meteo archive (ERA5).
Recent extremes in Cook County
Vysokéest and lowest readings observed in the last 3 years of reanalysis data - not all-time records.
How Cook County compares s 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 | 1014 mm |
| Chicago | 0 km | 11°C | about the same | 1014 mm |
| The Loop | 1 km | 11°C | about the same | 1014 mm |
| ZIP Code 60601 | 1 km | 11°C | about the same | 1009 mm |
| Wicker Park | 5 km | 11°C | about the same | 970 mm |
Nejlepší doba k návštěvě Cook County
Go in kvě, červen, srpen, září and říjen. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: leden, únor and prosinec - expect the least comfortable mix of heat, cold or rain.
What this means for Cook County
Today is slightly cooler than average for srpen. The forecast high of 23°C is 3.6°C below the 26°C typical for this month.
Déšť 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 červen do srpen.
The gap between the warmest and coldest month averages 29°C.
What do pack, what do skip
- Lightweight, light-coloured clothing and a refillable water bottle
- neglasses, a brimmed hat and SPF 30+
- If your dates are flexible, avoid leden, únor and prosinec - historically the least comfortable months here.
Shrnutí
Cook County is a county in Illinois. Cook County is a county in the United States. Má přibližně 5.1 million.
Právě teď je 18°C (65°F) in Cook County s jasno. Pocitová teplota je 17°C. Dnes se teploty pohybují od 15°C do 23°C. Pravděpodobnost srážek je 5%. Sightseeing conditions score 9.5/10 - výborné — vyrazte nyní.
Nejlepší doba k návštěvě Cook County is kvě, červen, srpen, září and říjen. Podnebí je continental. leden, únor and prosinec tend do be the least comfortable months. červenec is the warmest month s average highs near 28°C, while leden is the coldest s 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.
Jednoduše řečeno. Today is slightly cooler than average for srpen. The forecast high of 23°C is 3.6°C below the 26°C typical for this month. The best window do be outside is roughly 10 AM do 1 PM, when temperature, rain chance and wind line up best. sightseeing is the strongest bet in Cook County 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 Cook County
| Typ | County |
|---|---|
| State | Illinois |
| Země | Spojené státy |
| Kontinent | Severní Amerika |
| Souřadnice | 41°52′41.2″N 87°37′47.3″W (41.8781, -87.6298) |
| Obyvatelstvo | 5.100.000 |
| Místní čas | 7:53 PM (UTC-05:00) |
| Best months | kvě, červen, srpen, září and říjen |
| Klima | Kontinental |
Počasí map for Cook County
Animated model layers. Pick a layer do load it.
Animated layers by Vítry. 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.
Klima 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 Severní Amerika.
What is the weather like in Cook County právě teď?
It is currently 18°C (65°F) s jasno. Vlhkost is 63% and wind is 11 km/h.
When is the best time do visit Cook County?
kvě, červen, srpen, září and říjen offer the most comfortable conditions in Cook County, which has a continental climate. leden, únor and prosinec 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 7:53 PM.
How many people live in Cook County?
Cook County has a population of approximately 5.1 million.
What is the nearest airport do Cook County?
The closest airports are O'Hare International Airport (ORD), 25 km away.
What are the top things do 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. |
|---|---|
| Předpověď and observations | Open-Meteo (ECMWF and national models). |
| Kvalita ovzduší 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 Počasí 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 srpen 23, 2026 at 7:53 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.
