Best Time至Visit Cook County
最佳旅游时间 Cook County: 五月, 六月, 八月, 九月 and 十月. 月份-by-month temperature, rainfall and crowd guidance.
最佳旅游时间 Cook County
Go in 五月, 六月, 八月, 九月 and 十月. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: 一月, 二月 and 十二月 - expect the least comfortable mix of heat, cold or rain.
气候 in Cook County month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| 月份 | Avg high | Avg low | 雨fall | Rating |
|---|---|---|---|---|
| 一月 | -2° | -8° | 73 mm | ★★☆☆☆ |
| 二月 | 4° | -4° | 19 mm | ★★★☆☆ |
| 三月 | 11° | 1° | 103 mm | ★★★☆☆ |
| 四月 | 15° | 6° | 113 mm | ★★★☆☆ |
| 五月 | 20° | 11° | 68 mm | ★★★★☆ |
| 六月 | 26° | 18° | 126 mm | ★★★★☆ |
| 七月 | 28° | 20° | 127 mm | ★★★★☆ |
| 八月 | 27° | 19° | 87 mm | ★★★★☆ |
| 九月 | 24° | 16° | 92 mm | ★★★★☆ |
| 十月 | 18° | 10° | 79 mm | ★★★★☆ |
| 十一月 | 10° | 3° | 68 mm | ★★★☆☆ |
| 十二月 | 3° | -3° | 68 mm | ★★☆☆☆ |
气候 type: 大洲al. 来源： Open-Meteo archive (ERA5).
How Cook County compares，天气为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 |
What至pack, what至skip
- Lightweight, light-coloured clothing and a refillable water bottle
- 周日glasses, a brimmed hat and SPF 30+
- A packable rain shell - 6 of the next 7 days carry a real chance of rain
- Avoid exposed ridgelines, small boats and rooftop viewpoints while gusts stay above 56 km/h.
- If your dates are flexible, avoid 一月, 二月 and 十二月 - historically the least comfortable months here.
摘要
Cook County is a county in Illinois. Cook County is a county in the United States. 人口约为5.1 million.
目前气温为21°C (69°F) in Cook County，天气为局部多云. 体感温度为23°C. 今天气温在17°C至29°C. 降水概率为47%. Sightseeing conditions score 8.5/10 - 极佳 — 现在适合出行.
最佳旅游时间是Cook County is 五月, 六月, 八月, 九月 and 十月. 气候为continental. 一月, 二月 and 十二月 tend至be the least comfortable months. 七月 is the warmest month，天气为average highs near 28°C, while 一月 is the coldest，天气为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.
简单来说。 Today is warmer than average for 九月. The forecast high of 29°C is 5°C above the 24°C typical for this month. The best window至be outside is roughly 8 AM至11 AM, when temperature, rain chance and wind line up best. fishing is the strongest bet in Cook County today at 9.4/10. 阵风至56 km/h will push high-sided vehicles on exposed roads and bridges.
Compiled from this page's own data: atlas facts plus live Open-Meteo readings.
天气：Cook County现在
Open-Meteo Updated 11:10 PM, 九月 15 local time.
Weekend outlook
🌦️ 21° / 18°
Light showers · 63% rain · wind 17 km/h
🌧️ 18° / 17°
阵雨 · 63% rain · wind 21 km/h
可做的活动 in Cook County
景点, parks and landmarks in and around Cook County.
Quick facts about Cook County
Explore Cook County
Every topic we hold for this place, and the same topic for the places around it.
Best Time至Visit 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 北美洲.
What is the weather like in Cook County现在?
It is currently 21°C (69°F)，天气为局部多云. 湿度 is 94% and wind is 10 km/h.
When is the best time至visit Cook County?
五月, 六月, 八月, 九月 and 十月 offer the most comfortable conditions in Cook County, which has a continental climate. 一月, 二月 and 十二月 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 11:10 PM.
How many people live in Cook County?
Cook County has a population of approximately 5.1 million.
What is the nearest airport至Cook County?
The closest airports are O'Hare International Airport (ORD), 25 km away.
What are the top things至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. |
|---|---|
| 预报 and observations | Open-Meteo (ECMWF and national models). |
| 空气质量 and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| 气候 averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Official alerts | US National 天气 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 九月 15, 2026 at 11:10 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.
