Time and Weather in Chicago, Illinois, USA

Time zone that Chicago City is in is CST (Central Standard Time) UTC/GMT -6 hours.

Chicago lies within the hot-summer humid continental climate, and there are all four seasons experienced here: Spring; Summer; Fall; Winter. 

Winter in Chicago

Winter in Chicago is famous for its cold weathers and snowfalls. The average snowfall annually is 36 inches. The temperatures in the winter can change drastically over a span of a week. The average high at O’Hare in January is 36 F (-0,6 C) with the average daily low of 16,5 F (-8,6 C). The coldest month in Chicago is January with an average of 32 F (0 C).

Because of the warming effect of Lake Michigan, the winter in Chicago does not feel extremely cold. The average temperature in December is 37 F (3 C), in January 32 F (0 C), and in February 38 F (3 C).

Usually, a massive snowstorm hits Chicago every year bringing 10 inches of snow. 

Spring in Chicago

The beginning of spring usually has winter-like temperatures in Chicago, sometimes with the snowfall. Flowers are popping out of the ground in May. Average Temperature in March is 47 F (8 C), in April 59 F (15 C), and 70 F (21 C) in May. Spring in Chicago is known for its wetness and thunderstorms. First thunderstorms usually occur in April and May in the first fine and warm days.

Generally, it is an unstable season characterized by different situations and temperature changes.

Summer in Chicago

Summers in Chicago are humid and hot and is characterized by rainfalls. Heat waves commonly occur in the summer in Chicago. All of the months in summer have experienced temperatures above 100 F in Chicago. The hottest month in Chicago is July with an average of 84 F (29 C). Average Temperature in June is 80 F (27 C) and in August 83 F (28 C). 

Fall in Chicago

To see the city changing colors and enjoy chilly weather in Chicago, one must go and visit it in the fall. The season is also called the quietest period of the year in Chicago. A warm period can occur between late October and early November, with highs above 20 °C (68 °F), it is the so-called Indian Summer. Slight frosts can occur in October, but mostly it is characterized by mild days. The average temperature in September is 74 F (24 C), in October is 64 F (18 C), in November 49 F (9 C).

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