Contents
- Weather in June
- Frequently asked questions
- Average temperature in June
- Average pressure in June
- Average wind speed in June
- Average humidity in June
- Average rainfall in June
- Average rainfall days in June
- Average snowfall in June
- Average snowfall days in June
- Average daylight in June
- Average sunshine in June
- Average sunshine days in June
- Average UV index in June
- Average cloud cover in June
- Average visibility in June
Weather in June
Temperature
As June arrives, River Forest's weather shows an increase in high-temperatures, moving from May's refreshing 64.4°F (18°C) to a moderately hot 73.9°F (23.3°C). In the month of June, River Forest experiences an average low-temperature of 61.2°F (16.2°C).Humidity
In June, the average relative humidity in River Forest, Illinois, is 77%.Rainfall
In River Forest, in June, during 17.8 rainfall days, 4.29" (109mm) of precipitation is typically accumulated. Throughout the year, in River Forest, Illinois, there are 157.8 rainfall days, and 33.7" (856mm) of precipitation is accumulated.Snowfall
In River Forest, snow does not fall in June through September.Daylight
The month with the longest days 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 June, the average sunshine in River Forest 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 hazard from exposure to the Sun's UV rays for the average person.Note: A daily maximum UV index of 6 in June translates into the following instructions:
Sustain precautions and conform to sun safety norms. Preventing sunburn is necessary. Stay in the shade and limit sun exposure from 10 a.m. to 4 p.m., when UV radiation is most potent. Keep in mind that shade structures like parasols or canopies do not offer full protection. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Frequently asked questions
What is the usual temperature for River Forest in June?
What is the average humidity in June in River Forest?
How much does it rain in River Forest in June?
When it does not snow in River Forest?
Does it snow in River Forest in June?
When are the longest days in River Forest?
What is the average length of the day in June in River Forest?
What time are sunrise and sunset in June in River Forest?
How many hours of sunshine does River Forest have in June?
What is the month with the highest UV index in River Forest?
What is the UV index reading in June in River Forest?
Average temperature in June
River Forest, 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 Forest, 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 Forest, 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 Forest, 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 Forest, 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 Forest, 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 Forest, 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 Forest, 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 Forest, IL
- Average daylight in June: 15h and 1min
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 5min
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 Forest, 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 Forest, 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 Forest, 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 Forest, 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).
River Forest, Illinois, USA
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