Chicago
Illinois, USA
Long-term weather forecast
Long-term weather forecast

June weather forecast and climate
Chicago, IL

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 heatwave.
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.

What is the temperature in June in Chicago?

The average high-temperature, in June, is 79.9°F (26.6°C), while the average low-temperature is 62.1°F (16.7°C).

What is the average humidity in June in Chicago?

In Chicago, the average relative humidity in June is 65.6%.

How many days does it rain in June in Chicago?

In June, in Chicago, Illinois, the rain falls for 10.3 days. Throughout June, 4.1" (103.1mm) of precipitation is accumulated.

When it does not snow in Chicago?

In Chicago snow does not fall in May through September.

What is the water temperature in June in Chicago?

In Chicago, in June, the average water temperature is 57.6°F (14.2°C). Swimming in 57.6°F (14.2°C) is considered dangerous. Unprotected immersion in temperatures below 50°F (10°C) causes quickly maximum intensity cold shock with hyperventilation.

When are the longest days in Chicago?

With an average of 15.2h of daylight, June has the longest days of the year in Chicago, Illinois.

What is the average length of the day in June in Chicago?

The average length of the day in June is 15.2h.

What month has the most sunshine in Chicago?

The month with the most sunshine is June, with an average of 10.4h of sunshine.

How long on average sun shines in June in Chicago?

In Chicago, Illinois, the average sunshine in June is 10.4h.

What is the month with the highest UV index in Chicago?

June and July, with an average maximum UV index of 9, are months with the highest UV index in Chicago, Illinois.

How high is the UV index in June in Chicago?

In June, the average daily maximum UV index in Chicago is 9. A UV Index value of 8 to 10 symbolizes a very high health threat from unprotected exposure to the UV radiation.
Average temperature in June - Chicago, IL
  • Average high temperature in June: 26.6°C

The warmest month (with the highest average high temperature) is July (29°C).
The month with the lowest average high temperature is January (-0.3°C).

  • Average low temperature in June: 16.7°C

The month with the highest average low temperature is July (19.7°C).
The coldest month (with the lowest average low temperature) is January (-7.7°C).

Average humidity in June - Chicago, IL
  • 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%).

Average rainfall in June - Chicago, IL
  • Average rainfall in June: 103.1mm

The wettest month (with the highest rainfall) is May (104.9mm).
The driest month (with the lowest rainfall) is February (49.3mm).

Average rainfall days in June - Chicago, IL
  • 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).

Average snowfall in June - Chicago, IL
  • Average snowfall in June: 0mm

The month with the highest snowfall is January (292.1mm).
Months with the lowest snowfall are May, June, July, August and September (0mm).

Average snowfall days in June - Chicago, IL
  • 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).

Average sea temperature in June - Chicago, IL
  • Average sea temperature in June: 14.2°C

The best month for swimming (with the highest average sea temperature) is August (23.3°C).
The coldest month (with the lowest average sea temperature) is February (2.7°C).

Average daylight in June / Average sunshine in June - Chicago, IL
  • Average daylight in June: 15.2h

The month with the longest days is June (Average daylight: 15.2h).
The month with shortest days is December (Average daylight: 9.2h).

  • 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).

Average UV index in June - Chicago, IL
  • 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).