June weather forecast
Illinois, USA

June in Illinois is the gateway to summer, characterized by escalating temperatures and longer daylight hours. In the northern territories near Wisconsin, daytime temperatures often oscillate between the mid to upper 70s°F. The southern zones, adjacent to Kentucky, tend to be warmer, frequently touching the low 80s°F (around 80.6°F (27°C)).

Chicago, the state's bustling heart, witnesses a surge in outdoor activities. Lake Michigan's influence remains prominent, offering a refreshing counterbalance to the increasing warmth. However, the lake's cooling effect can occasionally give way to unexpected heatwaves, pushing temperatures well above average for short durations.

Night temperatures during June are notably milder, typically settling in the upper 50s°F to mid-60s°F. Gone are the remnants of the state's cold past, replaced now by balmy nights ideal for stargazing and evening walks.

Contrasting June with May reveals a significant jump in temperature. The increase in warmth, combined with the state's inherent humidity, can lead to occasional thunderstorms, especially during late afternoons and early evenings. As June winds down, the state gears up for the peak summer heat, anticipating the sweltering embrace of July.

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• Chicago - June »
  June has the longest days of the year in Chicago with an average of 15h and 12min of daylight. In Chicago in June, it is raining for 17.5 days, with typically 4.88" (124mm) of accumulated precipitation.
• Aurora - June »
  The month with the longest days in Aurora is June, with an average of 15h and 12min of daylight. In Aurora in June, during 15.5 rainfall days, 1.73" (44mm) of precipitation is typically accumulated.
• Rockford - June »
  The month with the most rainfall in Rockford is June, when the rain falls for 18.1 days and typically aggregates up to 4.02" (102mm) of precipitation. The month with the longest days in Rockford is June, with an average of 15h and 12min of daylight.
• Joliet - June »
  In Joliet, during June, the rain falls for 17.8 days and regularly aggregates up to 4.02" (102mm) of precipitation. In Joliet, in June, during 17.8 rainfall days, 4.02" (102mm) of precipitation is typically accumulated.
• Naperville - June »
  The month with the longest days in Naperville is June, with an average of 15h and 12min of daylight. On the first day of June in Naperville, Illinois, sunrise is at 5:20 am and sunset at 8:20 pm.
• Springfield - June »
  The month with the longest days is June, with an average of 14h and 54min of daylight. In Springfield in June, during 15.5 rainfall days, 2.72" (69mm) of precipitation is typically accumulated.
• Peoria - June »
  In Peoria in June, during 15.5 rainfall days, 1.97" (50mm) of precipitation is typically accumulated. How many hours of sunshine does Peoria have in June?
• Elgin - June »
  The month with the most rainfall in Elgin is June, when the rain falls for 16.9 days and typically aggregates up to 3.03" (77mm) of precipitation. The month with the most rainfall in Elgin is June, when the rain falls for 16.9 days and typically aggregates up to 3.03" (77mm) of precipitation.
• Waukegan - June »
  On the last day of June, in Waukegan sunrise is at 5:17 am and sunset at 8:32 pm CDT. In Waukegan in June, during 14.8 rainfall days, 2.68" (68mm) of precipitation is typically accumulated.
• Champaign - June »
  In Champaign in June, it is raining for 14.6 days, with typically 2.01" (51mm) of accumulated precipitation. The month with the most sunshine in Champaign is June, with an average of 10.2h of sunshine.
• Cicero - June »
  On the first day of June in Cicero sunrise is at 5:18 am and sunset at 8:19 pm. In Cicero, in June, during 14.4 rainfall days, 1.65" (42mm) of precipitation is typically accumulated.
• Bloomington - June »
  In Bloomington during June, the rain falls for 15.8 days and regularly aggregates up to 2.64" (67mm) of precipitation. In Bloomington, Illinois, in June, during 15.8 rainfall days, 2.64" (67mm) of precipitation is typically accumulated.