Janesville, IL Climate

Janesville, IL has a humid continental climate with hot summers and cold winters. In the summer months, temperatures can reach into the mid-80s, while in winter temperatures tend to stay below freezing. Precipitation can vary throughout the year, with snowfall during the winter and thunderstorms in the summer months. Despite the colder temperatures in winter, Janesville experiences an average of over 200 days of sunshine per year.

Climate	Janesville, Illinois	United States
Rainfall		38.1

Climate

YOU SHOULD KNOW

Many people confuse weather and climate but they are different. Weather is the conditions of the atmosphere over a short period of time, and climate is how the atmosphere is over long periods of time.

Weather is how the atmosphere is behaving and its effects upon life and human activities. Weather can change from minute-to-minute. Most people think of weather in terms of temperature, humidity, precipitation, cloudiness, brightness, visibility, wind, and atmospheric pressure.

Climate is the description of the long-term pattern of weather in a place. Climate can mean the average weather for a particular region and time period taken over 30 years. Climate is the average of weather over time.