June weather forecastChicago, IL

June
Weather in June
A significant leap in temperature characterizes June in Chicago, signifying the beginning of summer. This month is a drastic variation from May with longer daylight hours and minimal cloud cover. With an average 10 hours of sunshine per day, it is among the sunniest periods of the year. The city buzzes with outdoor festivals, concerts, and events, marking the onset of the lively summer atmosphere. The cooling breeze from the nearby Lake Michigan provides some respite during warm afternoons.Temperature
June's onset brings a temperature rise, moving from a refreshing 61°F (16.1°C) in May to an agreeable 70.5°F (21.4°C). Chicago records an average low-temperature of 60.3°F (15.7°C) throughout the month of June.Humidity
In Chicago, the average relative humidity in June is 80%.Rainfall
June is the month with the most rainfall. Rain falls for 17.5 days and accumulates 4.88" (124mm) of precipitation.Snowfall
In Chicago, snow does not fall in June through October.Ocean temperature
In Chicago, the average seawater temperature in June is 57.6°F (14.2°C).Note: Danger awaits those who swim in 57.6°F (14.2°C) without protection. Falling below 50°F (10°C) means intense cold shock and hyperventilation.
Daylight
The month with the longest days in Chicago is June, with an average of 15h and 12min of daylight.On the first day of June, sunrise is at 5:17 am and sunset at 8:19 pm. On the last day of the month, sunrise is at 5:19 am and sunset at 8:29 pm CDT.
Sunshine
The average sunshine in June is 10h.UV index
In June, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for average individuals.Note: The UV index of 5 during June leads to these advisories:
Act with care - The need to guard against sun damage is communicated. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in June
Chicago, IL
- Average high temperature in June: 70.5°F
The warmest month (with the highest average high temperature) is August (77.5°F).
The month with the lowest average high temperature is January (29.7°F).
- Average low temperature in June: 60.3°F
The month with the highest average low temperature is July (67.8°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).
Average pressure in June
Chicago, IL
- Average pressure in June: 29.92"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in June
Chicago, IL
- Average wind speed in June: 8.4mph
The windiest month (with the highest average wind speed) is January (12.5mph).
The calmest month (with the lowest average wind speed) is July (7.7mph).
Average humidity in June
Chicago, IL
- Average humidity in June: 80%
The month with the highest relative humidity is January (82%).
The month with the lowest relative humidity is October (73%).
Average rainfall in June
Chicago, IL
- Average rainfall in June: 4.88"
The wettest month (with the highest rainfall) is June (4.88").
The driest month (with the least rainfall) is December (1.65").
Average rainfall days in June
Chicago, IL
- Average rainfall days in June: 17.5 days
The month with the highest number of rainy days is July (18.5 days).
The month with the least rainy days is February (5.5 days).
Average snowfall in June
Chicago, IL
- Average snowfall in June: 0"
The month with the highest snowfall is February (3.54").
The months with the least snowfall are June, July, August, September and October (0").
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 (10.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average sea temperature in June
Chicago, IL
- 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).
Average daylight in June /
Average sunshine in June
Chicago, IL
- Average daylight in June: 15h and 12min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in June: 10h and 0min
The months with the most sunshine are July and August (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in June
Chicago, IL
- Average sunshine days in June: 9.7 days
The month with the most sunshine days is December (15.5 days).
The month with the least sunshine days is July (9.3 days).
Average UV index in June
Chicago, IL
- Average UV index in June: 5
The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in June
Chicago, IL
- Average cloud cover in June: 33
The month with the most cloud cover is January (Cloud cover 62).
The months with the least cloud cover are July and August (Cloud cover 27).
Average visibility in June
Chicago, IL
- Average visibility in June: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).





