Cook County Klima and Average Vrijeme
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.
| Mjesec | Avg high | Avg low | Kišafall | Rating |
|---|---|---|---|---|
| siječanj | -2° | -8° | 73 mm | ★★☆☆☆ |
| veljača | 4° | -4° | 19 mm | ★★★☆☆ |
| ožujak | 11° | 1° | 103 mm | ★★★☆☆ |
| travanj | 15° | 6° | 113 mm | ★★★☆☆ |
| svi | 20° | 11° | 68 mm | ★★★★☆ |
| lipanj | 26° | 18° | 126 mm | ★★★★☆ |
| srpanj | 28° | 20° | 127 mm | ★★★★☆ |
| kolovoz | 27° | 19° | 87 mm | ★★★★☆ |
| rujan | 24° | 16° | 92 mm | ★★★★☆ |
| listopad | 18° | 10° | 79 mm | ★★★★☆ |
| studeni | 10° | 3° | 68 mm | ★★★☆☆ |
| prosinac | 3° | -3° | 68 mm | ★★☆☆☆ |
Klima type: Kontinental. Izvor: Open-Meteo archive (ERA5).
Recent extremes in Cook County
Visokoest and lowest readings observed in the last 3 years of reanalysis data - not all-time records.
How Cook County compares uz 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 | 1023 mm |
| Chicago | 0 km | 11°C | about the same | 1023 mm |
| The Loop | 1 km | 11°C | about the same | 1023 mm |
| ZIP Code 60601 | 1 km | 11°C | about the same | 1023 mm |
| Wicker Park | 5 km | 11°C | about the same | 984 mm |
Najbolje vrijeme za posjet Cook County
Go in svi, lipanj, kolovoz, rujan and listopad. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: siječanj, veljača and prosinac - expect the least comfortable mix of heat, cold or rain.
What this means for Cook County
Today is about average for rujan. The forecast high of 23°C is in line uz the 24°C typical for this month.
A 37% chance means rain is likely somewhere nearby at some point - carry a layer, but do not cancel.
No weather-related travel disruption is expected today. Roads and airports should run normally.
Northern Hemisphere, so peak summer falls in lipanj do kolovoz.
The gap between the warmest and coldest month averages 29°C.
What do pack, what do skip
- nedglasses, a brimmed hat and SPF 30+
- A packable rain shell - 4 of the next 7 days carry a real chance of rain
- If your dates are flexible, avoid siječanj, veljača and prosinac - historically the least comfortable months here.
Sažetak
Cook County is a county in Illinois. Cook County is a county in the United States. Ima oko 5.1 million.
Trenutačno je 21°C (70°F) in Cook County uz oblačno. Osjećaj je 23°C. Danas su temperature od 19°C do 23°C. Vjerojatnost oborina je 37%. Sightseeing conditions score 8.7/10 - izvrsno — krenite sada.
Najbolje vrijeme za posjet Cook County is svi, lipanj, kolovoz, rujan and listopad. Klima je continental. siječanj, veljača and prosinac tend do be the least comfortable months. srpanj is the warmest month uz average highs near 28°C, while siječanj is the coldest uz 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.
Jednostavno rečeno. Today is about average for rujan. The forecast high of 23°C is in line uz the 24°C typical for this month. The best window do be outside is roughly 9 AM do 12 PM, when temperature, rain chance and wind line up best. fishing is the strongest bet in Cook County today at 9.3/10. 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
| Vrsta | County |
|---|---|
| State | Illinois |
| Država | Sjedinjene Američke Države |
| Kontinent | Sjeverna Amerika |
| Koordinate | 41°52′41.2″N 87°37′47.3″W (41.8781, -87.6298) |
| Stanovništvo | 5.100.000 |
| Lokalno vrijeme | 4:04 AM (UTC-05:00) |
| Best months | svi, lipanj, kolovoz, rujan and listopad |
| Klima | Kontinental |
Vrijeme map for Cook County
Animated model layers. Pick a layer do load it.
Animated layers by Vjetary. 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 Sjeverna Amerika.
What is the weather like in Cook County sada?
It is currently 21°C (70°F) uz oblačno. Vlažnost is 92% and wind is 11 km/h.
When is the best time do visit Cook County?
svi, lipanj, kolovoz, rujan and listopad offer the most comfortable conditions in Cook County, which has a continental climate. siječanj, veljača and prosinac 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 4:04 AM.
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. |
|---|---|
| Prognoza and observations | Open-Meteo (ECMWF and national models). |
| Kvaliteta zraka 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 Vrijeme 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 rujan 16, 2026 at 4:04 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.
