June weather forecast
River Forest, IL

Share

Weather in June

June, the first month of the summer in River Forest, is a warm month, 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 refreshing 64.4°F (18°C) to a moderately hot 73.9°F (23.3°C). River Forest's average low-temperature during June nights is observed to be an enjoyable 61.2°F (16.2°C).

Humidity

In June, the average relative humidity is 77%.

Rainfall

In River Forest, in June, it is raining for 17.8 days, with typically 4.29" (109mm) of accumulated precipitation. Throughout the year, there are 157.8 rainfall days, and 33.7" (856mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall in River Forest.

Daylight

June has the longest days of the year, with an average of 15h and 12min of daylight.
On the first day of the month, sunrise is at 5:18 am and sunset at 8:20 pm. On the last day of June, sunrise is at 5:19 am and sunset at 8:30 pm CDT.

Sunshine

In June, the average sunshine 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 threat to health from exposure to the Sun's UV rays for the average person.
Note: The UV index of 6 during June leads to these advisories:
Stick with precautions and abide by sun safety procedures. Evading sunburn is essential. Limit your exposure to the sun's UV radiation, which is strongest between 10 a.m. and 4 p.m., and note that parasols or canopies may not provide full sun protection. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.

Frequently asked questions

What is the usual temperature for River Forest in June?

The average high-temperature and low-temperature during June are 73.9°F (23.3°C) and 61.2°F (16.2°C) respectively.

What is the average humidity in June?

In June, the average relative humidity is 77%.

How much does it rain in June?

In June, the rain falls for 17.8 days. Throughout June, 4.29" (109mm) of precipitation is accumulated.

When it does not snow?

June through September are months without snowfall.

Does it snow in June?

In June, it doesn't snow. May is the latest month when it typically snows.

When are the longest days?

June has the longest days of the year, with an average of 15h and 12min of daylight.

What is the average length of the day in June?

In River Forest, Illinois, the average day length in June is 15h and 11min.

When is the sunrise / sunset in June?

In June, on the first day of the month, 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.

How long on average sun shines in June?

In June, the average sunshine duration is 9.9h.

What is the month with the highest UV index?

The months with the highest UV index are June through August, with an average maximum UV index of 6.

How high is the UV index in June?

In River Forest, the average daily maximum UV index in June is 6. A UV Index value of 6 to 7 symbolizes a high health threat from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in June
River Forest, IL

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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 / 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 - 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 - 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 - 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 - 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

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location