Weather in Chicago

• All Year
• Summer
• Autumn
• Winter
• Spring

Yearly weather

Calculations are based on the last 8 years of historical weather data.

Temperatures

• Chicago experiences discomfort temperatures during the winter months, specifically from December to March

• The summer months, particularly June through September, offer comfortable temperatures

• July and August are the warmest months, with average temperatures hovering within the comfortable range

• April, May, and October offer temperatures that are mild.

Conditions

• In Chicago, sunlight hours generally increase from January to June, peaking in June with 8.5 hours, before gradually declining towards December.

• Precipitation is relatively consistent throughout the year, with some peaks in March and April around 4.53mm and 4.17mm, respectively, while the amount of precipitation tends to decrease in the summer months.

• Interestingly, despite receiving the most sun in June, Chicago still experiences moderate precipitation, indicating a typical humid continental climate.

Astronomy

• In Chicago, the earliest sunrise occurs in June at 5:16 AM, while the latest sunrise is recorded in January at 7:14 AM, highlighting the significant shift of over an hour between these months.

• Sunset times also show a notable variation, with the earliest at 4:22 PM in December and the latest at 8:26 PM in June, resulting in a dramatic difference of more than four hours.

• The shortest day in December lasts only 9 hours and 11 minutes, while the longest day in June spans a generous 15 hours and 10 minutes, showcasing the impact of seasonal changes on daylight availability in the city.