June weather forecastRiver Grove, IL
June
Weather in June
The first month of the summer, June, is a moderately hot month in River Grove, Illinois, with temperature in the range of an average high of 73.9°F (23.3°C) and an average low of 61.2°F (16.2°C).Temperature
June brings a temperature change, with average high-temperatures moving from May's enjoyable 64.4°F (18°C) to a warm 73.9°F (23.3°C). Throughout the month of June, River Grove reports a steady low-temperature average of 61.2°F (16.2°C).Humidity
The average relative humidity in June in River Grove, Illinois, is 77%.Rainfall
In River Grove, during June, the rain falls for 17.8 days and regularly aggregates up to 4.29" (109mm) of precipitation. In River Grove, during the entire year, the rain falls for 157.8 days and collects up to 33.7" (856mm) of precipitation.Snowfall
June through September are months without snowfall in River Grove.Daylight
The month with the longest days in River Grove, Illinois, is June, with an average of 15h and 12min of daylight.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 5:19 am and sunset at 8:30 pm CDT.
Sunshine
In River Grove, the average sunshine in June is 9.9h.UV index
June through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for the average person.Note: The maximum UV index of 6 during June leads to these instructions:
Refrain from overexposure. Fair-skinned individuals could burn in under 20 minutes. Seek shade and limit direct Sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its peak, but be aware that not all shade structures provide complete sun protection. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in June
River Grove, IL
- Average high temperature in June: 73.9°F
The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (28.9°F).
- Average low temperature in June: 61.2°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 (19.4°F).
Average pressure in June
River Grove, 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
River Grove, IL
- Average wind speed in June: 7.8mph
The windiest month (with the highest average wind speed) is January (11.1mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).
Average humidity in June
River Grove, IL
- Average humidity in June: 77%
The month with the highest relative humidity is January (82%).
The month with the lowest relative humidity is October (72%).
Average rainfall in June
River Grove, IL
- Average rainfall in June: 4.29"
The wettest month (with the highest rainfall) is May (4.49").
The driest month (with the least rainfall) is December (1.57").
Average rainfall days in June
River Grove, IL
- Average rainfall days in June: 17.8 days
The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is February (5.1 days).
Average snowfall in June
River Grove, IL
- Average snowfall in June: 0"
The month with the highest snowfall is February (4.69").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in June
River Grove, IL
- Average snowfall days in June: 0 days
The month with the highest number of snowfall days is January (10.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in June /
Average sunshine in June
River Grove, 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
River Grove, IL
- Average sunshine days in June: 10.3 days
The month with the most sunshine days is December (16.7 days).
The month with the least sunshine days is July (9.9 days).
Average UV index in June
River Grove, IL
- Average UV index in June: 6
The months with the highest UV index are June, 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
River Grove, IL
- Average cloud cover in June: 33
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in June
River Grove, 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).





