Average temperatures, rainfall and packing tips for Chicago, United States in August
🌡️ Avg high
27°C
🌙 Avg low
19°C
🌧️ Rainfall
~69 mm
📊 Warmth rank
#3 of 12
August in Chicago at a glance
August in Chicago is typically hot, with average daytime highs around 27°C and nights near 19°C. It is one of the warmer months of Chicago's year.
Expect some rain: around 69 mm falls in Chicago during August on average.
What to pack for Chicago in August
Light, breathable clothing (cotton or linen)
Sun protection: hat, sunglasses and SPF
A refillable water bottle
A compact umbrella for occasional showers
Chicago - year at a glance
HighLow · August highlighted
Is August a good time to visit Chicago?
🧳 August is one of the most comfortable months to visit Chicago - daytime temperatures sit in a pleasant range and it's a good pick for sightseeing and time outdoors.
In August, Chicago averages a daytime high of about 27°C and a night-time low of around 19°C, based on recent historical data.
Does it rain in Chicago in August?
Expect some rain: around 69 mm falls in Chicago during August on average.
Is August a good time to visit Chicago?
August is one of the most comfortable months to visit Chicago - daytime temperatures sit in a pleasant range and it's a good pick for sightseeing and time outdoors.