30YearWeather
Chicago, May 8
Chicago street view during May
Historical Weather Analysis

Chicago Weather on May 8 — Best Time to Visit?

Based on 30 years of historical data, we have the answer.

cloudy

16.4°C

High

8.8°C

Low

34%

Rain

🌤️ Feels like 16.4°C

partly-cloudy-day
YES, GOOD CHOICE
HolidayPeak Season

May 8 is generally a great time to visit Chicago. While there is a slight chance of rain (34%), showers are usually brief. Expect comfortable 16°C weather. As it's peak season for Chicago, we recommend booking your stay well in advance to secure the best rates. Note: May 8 is Truman Day in Chicago, so expect special events, closures, and festive atmosphere.

Currency

USD

$ United States dollar

Language

English

Driving

Right side

Connect

The first Internet café in the United St...

Safety

Moderate Safety

GPI: 2.44

Chicago Weather Forecast for May 8

"Mild & Comfortable. Expect average highs of 16.4°C. 34% chance of rain."

What to Wear in Chicago in May

Based on historical data for May 8, Chicago typically experiences temperatures between 8.8°C and 16.4°C. We recommend packing light jacket, long pants, umbrella to stay comfortable. With a 34% chance of rain, keeping a raincoat or umbrella handy is a smart move.

Complete Packing Guide

Weekly breakdown & essential items for Chicago

View Guide

Smart Suitcase

  • Light Jacket
  • Long Pants
  • Umbrella

Average High

extreme-hot

16.4°C

Daytime Peak

Average Low

extreme-cold

8.8°C

Nighttime Low

Feels Like

partly-cloudy-day

16.4°C

🌤️ Feels accurate

Rain Chance

rain

34%

Avg 2.9mm if it rains

Cloud Cover

cloudy

64%

Overcast

Pressure

pressure

1014.9 hPa

Medium volatility

Chicago Weather Conditions & UV Index

Weather Confidence

30-year variance analysis

61%Moderately Predictable

Based on 10 years of data

Temperature
±5.8°CVariable
Precipitation
17-51%Predictable

~ Weather is generally predictable, but pack for minor variations. A light backup layer is recommended.

Sun Exposure

UV Index & Safety Guide

4.7Moderate
036811+

Protection Needed

SPF 30 recommended

Safe Sun Windows
Morning

04:00 - 09:30

Afternoon

16:00 - 18:00

Time to Sunburn

Type I-II

🔴 17 min to burn

Type III-IV

🟡 26 min to burn

Type V-VI

🟢 43 min to burn

UV estimate based on latitude, season & cloud cover. Actual UV may vary.

Outdoor Comfort

How pleasant is it outside?

71Good
TemperatureMild
HumidityMuggy
WindBreezy

Dew Point

12°C

Pleasant

Heat Stress

Low

No heat warning

🙂 Best outdoor time:
Any time during daylight hours

Travel & Logistics Insights

Local Calendar

Holiday

Truman Day

Flight Traffic

High

99/100 pressure index

Health Advisory

Healthy

Routine only • View Details →

Landing Slots

~1,351

Daily arrival options (inc. codeshare)

Sunrise, Sunset & Wind in Chicago

Daylight & Sun

Solar Elevation Cycle

🌅 Sunrise

04:39

☀️ Noon

11:48

🌇 Sunset

18:57

⏱️ Daylight

14h 17m

Golden Hour
Morning04:39 - 05:18
18:17 - 18:57Evening

Wind Speed

wind

23.7 km/h

Moderate wind

Sunshine

clear-day

10.0 hrs

Direct Sun (Cloud-free)

Humidity

humidity

75%

Humid / Damp

Travel Intelligence

Exclusive flight analytics & health data for Chicago

Smart Flight Estimator

Airport-to-Airport Logistics

unlock smart flight estimates

Add your home location in settings to see airport details.

Travel Health & Safety in Chicago

Travel Comfort Index

Real-time tourism conditions

Weather Quality

⛅ Good

73/100

Tourist Crowds

🟡 Busy

85/100

Price Level

💰💰💰 Expensive

85/100

Health & Wellbeing

Meteo-Health Forecast

85Score
Atmospheric Pressure1014.9 hPa
Volatility:Medium
Migraine RiskMedium

Moderate fluctuations. Some sensitivity possible.

Joint Pain RiskLow

Weather unlikely to affect joint pain.

Fishing IndexFair

Moderate fish activity expected.

Air Quality Forecast
52AQI
Moderate
PM2.5 Concentration12.5 µg/m³

Air quality is acceptable. Sensitive individuals should limit prolonged outdoor exertion.

Regional Safety Profile

Stable

Seismic Activity

Zero seismic activity detected in 30 years.

Total events (30y):0
💡 No earthquake preparedness needed. Enjoy your stay!
"According to 30YearWeather's analysis of 30 years of NASA satellite data, Chicago on May 8 averages 16.4°C with a 34% precipitation probability. Wedding/Outdoor Event Score: 80/100."

— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology

Chicago Weather History (2010–2024)

Temperature History

Loading chart...

Hall of Fame

Records from last 10 years

Hottest
2018
24.5°C
Coldest
2020
1°C
Rainiest
2023
9.8mm

Better Alternatives Nearby

Consider these dates within ±7 days

💡 Moving your event by a few days could significantly improve weather conditions

Compare Other Cities

Same date (May 8) in other destinations

🌍 Explore the same date in different destinations around the world

📍 Is Chicago Worth Visiting on May 8?

Planning a trip to Chicago on May 8? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year is characterized by pleasant mild weather averaging 16.4°C with a 34% historical precipitation risk.

🎉 Local Event: The date coincides with Truman Day, which may influence local business hours and event availability.

✈️ Travel Logistics: Approximately 1,351 landing slots available daily during this period, indicating peak tourist activity.

📊 Historical Extremes: The hottest May 8 recorded in the last 30 years saw temperatures hit 24.5°C in 2018, while the coldest dropped to 1°C in 2020.

Chicago Weather FAQ