Climate for Illinois
Average daytime and nighttime temperatures
All climatic diagrams on this site result from the collected data from 12 measuring stations in Illinois.
All data correspond to the average monthly values of the last 20 years. Back to overview: United States
The climate widely corresponds to Central European weather conditions. It is cold, wet and a few beautiful summer months are also happening during a year. Due to the warmer temperatures the best time for traveling is from May to September. Nearly unattractive for tourists are the cold months from November to March.
› Overview: Climate in the United States
› Duration of daylight and sunshine in the United States
hours of sunshine per day rainy days per month Precipitation in mm/day Relative humidity in % Absolute humidity in g/m³ (approx.)
The most important cities in the region of Illinois
Illinois is a part of the United States and has an east-west extension of about 330 km. From north to south it is approximately 600 km. The biggest cities are Chicago and Aurora. The local time is now Sunday, 8:57 am.
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