Chicago
Illinois, USA
Long-term weather forecast
Long-term weather forecast
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June weather forecast and Climate
Chicago, IL

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An aerial view of the city of Chicago in Illinois, on the shores of Lake Michigan, with a superb view of the sandy beach of Oak Street
An aerial view of the city of Chicago in Illinois, on the shores of Lake Michigan, with a superb view of the sandy beach of Oak Street
June is the sunniest month in Chicago with days spanning the average range of 58°F (14.4°C) to 80°F (26.7°C). Many days register temperatures above 85°F (29.4°C), a few cross 90°F (32.2°C), while 100°F (37.8°C) is rare except during a heat wave.
Nights tend to be warm as the skies are mostly cloudy. The sunlight easily registers over 15 hours in June as the month records the longest days of the year.
Lakeshores and beaches buzz with visitors to escape the hot and humid weather. Lake Michigan regions offer cooler weather with naturally higher accommodation costs during the packed summer vacations. June is moderately rainy, with a fair chance of thunderstorms.
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  • The average high temperature in June: 79.9°F

The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is January (31.5°F).

  • The average low temperature in June: 62.1°F

The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (18.2°F).

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  • The average humidity in June: 65.6%

The month with the highest relative humidity is December (75.5%).
The month with the lowest relative humidity is May (64.1%).

  • The average rainfall in June: 4.1"

Wettest months (with the highest rainfall) are May and June (4.1").
The driest month (with the lowest rainfall) is February (1.9").

  • The average rainfall days in June: 10.3 days

The month with the highest number of rainy days is May (11.4 days).
The month with the lowest number of rainy days is September (8.2 days).

  • The average snowfall in June: 0"

The month with the highest snowfall is January (11.5").
Months with the lowest snowfall are May, June, July, August and September (0").

  • The average snowfall days in June: 0 days

The month with the highest number of snowfall days is January (8.1 days).
Months with the lowest number of snowfall days are May, June, July, August and September (0 days).

  • The average sea temperature in June: 57.5°F

The best month for swimming (with the highest average sea temperature) is August (73.9°F).
The coldest month (with the lowest average sea temperature) is February (36.9°F).

  • The average daylight in June: 15h

Months with the longest days are May, June and July (Average daylight: 15h).
The month with shortest days is December (Average daylight: 9h).

  • The average sunshine in June: 10.4h

The month with most sunshine is June (Average sunshine: 10.4h).
The month with least sunshine is December (Average sunshine: 3.4h).

  • The average UV index in June: 9

Months with the highest UV index are June and July (UV index 9).
Months with the lowest UV index are January and December (UV index 1).

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