Cook County Clima and Average Tempo
Clima of Cook County: average temperatures, rainfall and seasons month by month.
Clima in Cook County month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Mês | Máxima média | Mínima média | Precipitação | Avaliação |
|---|---|---|---|---|
| janeiro | -2° | -8° | 73 mm | ★★☆☆☆ |
| fevereiro | 4° | -4° | 19 mm | ★★★☆☆ |
| março | 11° | 1° | 103 mm | ★★★☆☆ |
| abril | 15° | 6° | 113 mm | ★★★☆☆ |
| mai | 20° | 11° | 68 mm | ★★★★☆ |
| junho | 26° | 18° | 126 mm | ★★★★☆ |
| julho | 28° | 20° | 127 mm | ★★★★☆ |
| agosto | 27° | 19° | 116 mm | ★★★★☆ |
| setembro | 24° | 17° | 74 mm | ★★★★☆ |
| outubro | 18° | 10° | 79 mm | ★★★★☆ |
| novembro | 10° | 3° | 68 mm | ★★★☆☆ |
| dezembro | 3° | -3° | 68 mm | ★★☆☆☆ |
Clima type: Continenteal. Fonte: Open-Meteo archive (ERA5).
Recent extremes in Cook County
Altoest and lowest readings observed in the last 3 years of reanalysis data – not all-time records.
How Cook County compares com 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 |
Melhor época para visitar Cook County
Go in mai, junho, agosto, setembro and outubro. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: janeiro, fevereiro and dezembro – expect the least comfortable mix of heat, cold or rain.
What this means for Cook County
Today is about average for outubro. The forecast high of 18°C is in line com the 18°C typical for this month.
Chuva 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 junho a agosto.
The gap between the warmest and coldest month averages 29°C.
What a pack, what a skip
- Layers – the daily swing is 14°C, so mornings feel nothing like afternoons
- If your dates are flexible, avoid janeiro, fevereiro and dezembro – historically the least comfortable months here.
Resumo
Cook County is a county in Illinois. Cook County is a county in the United States. Tem uma população de cerca de 5.1 million.
Neste momento, a temperatura é de 14°C (56°F) in Cook County com predominantemente limpo. A sensação térmica é de 12°C. Hoje as temperaturas variam de 9°C a 18°C. A probabilidade de precipitação é de 1%. As condições para passeios turísticos têm pontuação de 9.4/10 – excelente — pode sair agora.
A melhor época para visitar Cook County is mai, junho, agosto, setembro and outubro. O clima é continental. janeiro, fevereiro and dezembro costumam ser os meses menos confortáveis. julho é o mês mais quente, com máximas médias próximas de 28°C, enquanto janeiro é o mês mais frio, com mínimas próximas de -8°C.
O principal aeroporto mais próximo é O'Hare International Airport (ORD), about 25 km away. Entre os destaques próximos estão Indiana Dunes National Park, Starved Rock State Park and Lake Michigan.
Em termos simples. Today is about average for outubro. The forecast high of 18°C is in line com the 18°C typical for this month. The best window a be outside is roughly 2 PM a 5 PM, when temperature, rain chance and wind line up best. photography 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
| Tipo | County |
|---|---|
| State | Illinois |
| País | Estados Unidos |
| Continente | América do Norte |
| Coordenadas | 41°52′41.2″N 87°37′47.3″W (41.8781, -87.6298) |
| População | 5.100.000 |
| Hora local | 12:47 PM (UTC-05:00) |
| Melhores meses | mai, junho, agosto, setembro and outubro |
| Clima | Continenteal |
Tempo map for Cook County
Animated model layers. Pick a layer a load it.
Animated layers by Ventoy. 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.
Clima 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 América do Norte.
What is the weather like in Cook County agora?
It is currently 14°C (56°F) com predominantemente limpo. Humidade is 84% and wind is 10 km/h.
When is the best time a visit Cook County?
mai, junho, agosto, setembro and outubro offer the most comfortable conditions in Cook County, which has a continental climate. janeiro, fevereiro and dezembro are usually the hardest months for outdoor plans.
What time zone is Cook County in?
Cook County observes America/Chicago (UTC-05:00). The hora local is 12:47 PM.
How many people live in Cook County?
Cook County has a population of approximately 5.1 million.
What is the nearest airport a Cook County?
The closest airports are O'Hare International Airport (ORD), 25 km away.
What are the top things a 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. |
|---|---|
| Previsão and observations | Open-Meteo (ECMWF and national models). |
| Qualidade do ar and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Clima averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Official alerts | US National Tempo 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 outubro 25, 2026 at 12:47 PM hora local. Live blocks refresh every 15 minutes; climate averages monthly.
