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 »
  The month with the longest days in Chicago is June, with an average of 15h and 12min of daylight. The month with the most rainfall in Chicago is June, when the rain falls for 17.5 days and typically aggregates up to 4.88" (124mm) of precipitation.
• Aurora - June »
  The month with the longest days in Aurora is June, with an average of 15h and 12min of daylight. On the first day of June in Aurora sunrise is at 5:20 am and sunset at 8:21 pm.
• Rockford - June »
  In Rockford during June, the rain falls for 18.1 days and regularly aggregates up to 4.02" (102mm) of precipitation. June has the longest days of the year in Rockford 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. With an average of 15h and 6min of daylight, June has the longest days of the year in Joliet.
• Naperville - June »
  On the first day of June in Naperville, Illinois, sunrise is at 5:19 am and sunset at 8:21 pm. With an average of 15h and 12min of daylight, June has the longest days of the year in Naperville, Illinois.
• Springfield - June »
  The month with the most rainfall in Springfield is June, when the rain falls for 15.5 days and typically aggregates up to 2.72" (69mm) of precipitation. In Springfield, during June, the rain falls for 15.5 days and regularly aggregates up to 2.72" (69mm) of precipitation.
• Peoria - June »
  June has the longest days of the year in Peoria, Illinois, with an average of 15h and 0min of daylight. With an average of 15h and 0min of daylight, June has the longest days of the year in Peoria, Illinois.
• 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. In Elgin in June, it is raining for 16.9 days, with typically 3.03" (77mm) of accumulated precipitation.
• Waukegan - June »
  In Waukegan in June, it is raining for 14.8 days, with typically 2.68" (68mm) of accumulated precipitation. June temperatures in Waukegan vary between a high-temperature of 70.5°F (21.4°C) and a low-temperature of 58.6°F (14.8°C).
• Champaign - June »
  In Champaign, during June, the rain falls for 14.6 days and regularly aggregates up to 2.01" (51mm) of precipitation. With an average of 15h and 0min of daylight, June has the longest days of the year in Champaign.
• Cicero - June »
  In Cicero during June, the rain falls for 14.4 days and regularly aggregates up to 1.65" (42mm) of precipitation. The month with the longest days in Cicero is June, with an average of 15h and 12min of daylight.
• Bloomington - June »
  On the first day of June in Bloomington sunrise is at 5:27 am and sunset at 8:20 pm. In Bloomington, during June, the rain falls for 15.8 days and regularly aggregates up to 2.64" (67mm) of precipitation.