Cook County Klima and Average Vreme
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.
| Mesec | Avg high | Avg low | Kišafall | Rating |
|---|---|---|---|---|
| januar | -2° | -8° | 73 mm | ★★☆☆☆ |
| februar | 4° | -4° | 19 mm | ★★★☆☆ |
| mart | 11° | 1° | 103 mm | ★★★☆☆ |
| april | 15° | 6° | 113 mm | ★★★☆☆ |
| maj | 20° | 11° | 68 mm | ★★★★☆ |
| jun | 26° | 18° | 126 mm | ★★★★☆ |
| jul | 28° | 20° | 127 mm | ★★★★☆ |
| avgust | 27° | 19° | 116 mm | ★★★★☆ |
| septembar | 24° | 17° | 74 mm | ★★★★☆ |
| oktobar | 18° | 10° | 79 mm | ★★★★☆ |
| novembar | 10° | 3° | 68 mm | ★★★☆☆ |
| decembar | 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 | 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 |
Najbolje vreme za posetu Cook County
Go in maj, jun, avgust, septembar and oktobar. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: januar, februar and decembar - expect the least comfortable mix of heat, cold or rain.
What this means for Cook County
Today is slightly warmer than average for oktobar. The forecast high of 21°C is 3.5°C above the 18°C typical for this month.
Kiša 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 do avgust.
The gap between the warmest and coldest month averages 29°C.
What do pack, what do skip
- nedglasses, 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 januar, februar and decembar - 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.
Trenutno je 9°C (49°F) in Cook County uz vedro nebo. Oseća se kao 6°C. Danas su temperature od 8°C do 21°C. Verovatnoća padavina je 4%. Sightseeing conditions score 8.5/10 - odlično — krenite sada.
Najbolje vreme za posetu Cook County is maj, jun, avgust, septembar and oktobar. Klima je continental. januar, februar and decembar tend do be the least comfortable months. jul is the warmest month uz average highs near 28°C, while januar 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 slightly warmer than average for oktobar. The forecast high of 21°C is 3.5°C above the 18°C typical for this month. The best window do be outside is roughly 3 PM do 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
| Tip | County |
|---|---|
| State | Illinois |
| Država | Сједињене Државе |
| Kontinent | Severna Amerika |
| Koordinate | 41°52′41.2″N 87°37′47.3″W (41.8781, -87.6298) |
| Stanovništvo | 5.100.000 |
| Lokalno vreme | 8:08 AM (UTC-05:00) |
| Best months | maj, jun, avgust, septembar and oktobar |
| Klima | Kontinental |
Vreme map for Cook County
Animated model layers. Pick a layer do load it.
Animated layers by Vetary. 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 Severna Amerika.
What is the weather like in Cook County sada?
It is currently 9°C (49°F) uz vedro nebo. Vlažnost is 78% and wind is 12 km/h.
When is the best time do visit Cook County?
maj, jun, avgust, septembar and oktobar offer the most comfortable conditions in Cook County, which has a continental climate. januar, februar and decembar 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 8:08 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). |
| Kvalitet vazduha 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 Vreme 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 oktobar 6, 2026 at 8:08 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.
