2026 Climate Averages

Weather: Chicago — August

Conditions are pleasant for sightseeing, though you might encounter occasional showers.

👍 Climate Overview

August is a good time to visit Chicago. Warm weather with highs of 26°C—great for outdoor activities. Being off-peak, you'll find better deals and fewer crowds.

8.8
GoTripzi Score Excellent

Based on weather comfort, crowds, prices, and activity options

Avg High

26°C

Avg Low

19°C

Rainy days

8days

Daylight

13.9h

Feels like 28°C / 20°C — humidity makes it feel warmer

Rainfall

60mm

Sunshine

11.7h/day

Humidity

73%

Humid
Sun Strength

8.6

Very High
Wind

18 km/h (gusts 33)

Is August a good time to visit Chicago?

Conditions are pleasant for sightseeing, though you might encounter occasional showers.

Now

--

Feels like --
Wind --
Humidity --
UV Index --
Local time —

Air Quality

Travel Context

  • Crowds
    Moderate
  • Travel Costs Peak Rates

Daylight

Sunrise

05:58

Sunset

19:54

13.9h daylight

Visiting Chicago in August: Pros & Cons

Pros

  • Comfortable temperatures for sightseeing
  • Abundant sunshine for beach and outdoor fun
  • Fewer crowds and better hotel deals

Cons

  • Very high UV — sunscreen and shade essential

Things to Do in August

Events & Festivals

🎵
Lollapalooza
Late July/Early August Music
🎭
Chicago Air & Water Show
August Cultural

Recommended for This Weather

🚶 Walking tours & sightseeing
🚲 Cycling & bike tours
🥾 Hiking & nature trails
🍜 Food tours & culinary experiences
🎭 Cultural tours & local experiences

Chicago Weather by Month

Month Avg High Avg Low Rain Sunshine Humidity UV Index Crowds Condition
Jan 0°C -5°C 10d (71mm) 5.1h
74% Humid
2.6 Moderate
Good
Feb 2°C -5°C 7d (45mm) 7.4h
69% Humid
4.4 Moderate
Good
Mar 8°C 1°C 12d (90mm) 8h
69% Humid
5.7 High
Good
Apr 12°C 5°C 12d (92mm) 9.4h
67% Humid
7.5 Very High
Good
May 18°C 10°C 11d (106mm) 10.6h
70% Humid
8.8 Very High
Excellent
Jun 25°C 17°C 9d (100mm) 12.3h
69% Humid
9.9 Very High
Excellent
Jul 26°C 19°C 11d (93mm) 12h
74% Humid
9.4 Very High
Good
Aug Current 26°C 19°C 8d (60mm) 11.7h
73% Humid
8.6 Very High
Good
Sep 23°C 15°C 7d (62mm) 9.9h
71% Humid
6.8 High
Excellent
Oct 17°C 9°C 10d (87mm) 7.9h
68% Humid
4.6 Moderate
Excellent
Nov 10°C 3°C 8d (53mm) 6.4h
68% Humid
3.1 Moderate
Good
Dec 4°C -2°C 9d (66mm) 4.9h
73% Humid
2.2 Moderate
Good

⚖️Find Your Ideal Month

Adjust the sliders to weight what matters most to you.

5
3
3
Your Best MonthAugScore: 7.4
1.Aug
7.42.Jul
73.Jun
5.64.Sep
5.65.Mar
5.26.Apr
5.17.Jan
4.38.Feb
4.39.May
4.310.Dec
4.311.Nov
4.212.Oct
3.4

Where to Stay

See hotels, apartments & rentals around Chicago – live prices from Booking.com, Expedia, Vrbo and more

Open map in new tab

Chicago

Architectural marvels with Cloud Gate (The Bean) and Architecture boat tour, deep-dish pizza, lakefront, and world-class museums.

View Full Destination Guide

What to Pack for August

Summer clothing like shorts, t-shirts, and sundresses will be comfortable. Bring a light cardigan for air-conditioned spaces. Pack a compact umbrella or light rain jacket for occasional showers. Don't forget a wide-brimmed hat and high-SPF sunscreen — the sun is strong.

Moderate Moderate

🎒Personalized Packing List

Tell us about your trip and we'll create a custom packing list based on the weather.

Your Packing List

📋Essentials
👕Clothing
👟Footwear
🎒Accessories
🧴Toiletries & Health

Planning a trip to Chicago?

💰 Off-peak — great deals available now

Frequently Asked Questions

Is August a good time to visit Chicago?
August is typically good for visiting Chicago, with average highs of 26°C and around 8 rainy days. Plan your activities accordingly—outdoor sightseeing is best on dry days, while rainy days are perfect for museums and indoor attractions.
Does it get cold at night in Chicago in August?
Evenings in Chicago during August are mild at 19°C. A light cardigan or long sleeves for evenings is usually enough. Outdoor dining remains comfortable, making it a great time to enjoy rooftop bars and terrace restaurants.
What should I pack for Chicago in August?
With highs of 26°C and lows of 19°C in August, we recommend: Compact umbrella, Lightweight breathable clothes, Sunscreen SPF 30+, Sun hat. Layering is key as temperatures can vary between air-conditioned interiors and outdoors. Comfortable walking shoes are essential for cobblestone streets.
Does it rain a lot in Chicago in August?
Chicago typically sees around 8 rainy days in August. Rain is usually in the form of brief showers rather than all-day downpours, so a compact umbrella is sufficient. Mornings tend to be drier, making them ideal for outdoor sightseeing.
How many hours of daylight are there in Chicago in August?
In August, Chicago gets approximately 13.9 hours of daylight per day. This affects how much sightseeing you can fit in—longer days mean more time for outdoor activities, while shorter days are perfect for cozy museum visits and early dinners.
Is August peak season in Chicago?
No, August is not peak season in Chicago. Expect better value on accommodation, shorter queues at attractions, and fewer tourists at popular spots. This is an excellent time to experience the city like a local and enjoy a more authentic atmosphere.

Weather Data: Based on 2020–2025 historical climate data from Open-Meteo

Solar calculations: SunCalc (timezone: America/Chicago)

Last Updated: February 2026

More Chicago Guides

Best Time to Visit

Coming soon

Things to Do

Coming soon

Where to Stay

Best neighborhoods and hotel recommendations

Find Hotels →

Cost & Budget

Daily costs, money-saving tips, and budget breakdown

Read Guide →

Itineraries

Coming soon

Overview

Complete travel guide for Chicago: top things to do, itineraries, and typical costs.

Read Full Guide →