June weather forecastSummit, IL
June
Weather in June
The first month of the summer, June, is a warm month in Summit, Illinois, with an average temperature fluctuating between 61.5°F (16.4°C) and 75.2°F (24°C).Temperature
The onset of June marks an increase in the average high-temperature, moving from a refreshing 65.7°F (18.7°C) in May to a moderately hot 75.2°F (24°C). Summit's nighttime temperature during June is consistently averaged at a comfortable 61.5°F (16.4°C).Humidity
In June, the average relative humidity in Summit is 77%.Rainfall
In June, in Summit, the rain falls for 13 days. Throughout June, 1.22" (31mm) of precipitation is accumulated. In Summit, Illinois, during the entire year, the rain falls for 110.8 days and collects up to 9.61" (244mm) of precipitation.Snowfall
In Summit, snow does not fall in May through September.Daylight
With an average of 15h and 12min of daylight, June has the longest days of the year in Summit.On the first day of June, sunrise is at 5:18 am and sunset at 8:20 pm. On the last day of the month, sunrise is at 5:20 am and sunset at 8:30 pm CDT.
Sunshine
In Summit, the average sunshine in June is 9.9h.UV index
The months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for the average person.Note: An average maximum UV index of 6 in June leads to these recommendations:
Conform to measures and uphold sun safety traditions. Warding off skin and eye harm is necessary. The Sun emits the most powerful UV radiation between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in June
Summit, IL
- Average high temperature in June: 75.2°F
The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (29.5°F).
- Average low temperature in June: 61.5°F
The month with the highest average low temperature is July (67.1°F).
The coldest month (with the lowest average low temperature) is January (19.2°F).
Average pressure in June
Summit, 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
Summit, IL
- Average wind speed in June: 7.6mph
The windiest month (with the highest average wind speed) is January (10.9mph).
The calmest month (with the lowest average wind speed) is August (6.7mph).
Average humidity in June
Summit, IL
- Average humidity in June: 77%
The months with the highest relative humidity are January and February (82%).
The month with the lowest relative humidity is October (72%).
Average rainfall in June
Summit, IL
- Average rainfall in June: 1.22"
The wettest month (with the highest rainfall) is May (1.38").
The driest month (with the least rainfall) is December (0.43").
Average rainfall days in June
Summit, IL
- Average rainfall days in June: 13 days
The month with the highest number of rainy days is July (13.3 days).
The month with the least rainy days is February (4.1 days).
Average snowfall in June
Summit, IL
- Average snowfall in June: 0"
The month with the highest snowfall is February (1.38").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in June
Summit, IL
- Average snowfall days in June: 0 days
The month with the highest number of snowfall days is January (10.1 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in June /
Average sunshine in June
Summit, 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: 9h and 54min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in June
Summit, IL
- Average sunshine days in June: 12.3 days
The month with the most sunshine days is November (21.3 days).
The month with the least sunshine days is June (12.3 days).
Average UV index in June
Summit, IL
- Average UV index in June: 6
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in June
Summit, IL
- Average cloud cover in June: 33
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in June
Summit, 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).
