June weather forecast
Lake Forest, IL

Weather in June

The first month of the summer, June, is a pleasant month in Lake Forest, Illinois, with temperature in the range of an average low of 59.4°F (15.2°C) and an average high of 71.1°F (21.7°C).

Temperature

In Lake Forest, the average high-temperature in June rises from an enjoyable 61.2°F (16.2°C) in May to a pleasant 71.1°F (21.7°C). In Lake Forest, in June, the average low-temperature is 59.4°F (15.2°C).

Humidity

In Lake Forest, the average relative humidity in June is 79%.

Rainfall

The months with the most rainfall are May and June, with an average 3.82" (97mm) of precipitation.

Snowfall

In Lake Forest, snow does not fall in May through September.

Daylight

With an average of 15h and 13min of daylight, June has the longest days of the year in Lake Forest.
On the first day of the month, sunrise is at 5:17 am and sunset at 8:21 pm. On the last day of June, sunrise is at 5:18 am and sunset at 8:31 pm CDT.

Sunshine

The average sunshine in June is 10h.

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 threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: The average daily UV index of 6 in June transform into the following instructions:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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FAQ

What is the average humidity in June in Lake Forest?

The average relative humidity in June is 79%.

What is the wettest month in Lake Forest?

The wettest months in Lake Forest are May and June, with an average 3.82" (97mm) of rainfall.

How much does it rain in Lake Forest in June?

In June, in Lake Forest, Illinois, the rain falls for 16.6 days. Throughout June, 3.82" (97mm) of precipitation is accumulated.

When it does not snow in Lake Forest?

May through September are months without snowfall.

When are the longest days in Lake Forest?

June has the longest days of the year, with an average of 15h and 13min of daylight.

How many hours of daylight does Lake Forest have in June?

In Lake Forest, Illinois, the average day length in June is 15h and 13min.

When is the sunrise / sunset in June in Lake Forest?

In June, on the first day of the month, sunrise is at 5:17 am and sunset at 8:21 pm. On the last day of the month, in Lake Forest, sunrise is at 5:18 am and sunset at 8:31 pm CDT.

How many hours of sunshine does Lake Forest have in June?

In June, the average sunshine duration in Lake Forest, Illinois, is 10h.

What is the month with the highest UV index in Lake Forest?

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

How high is the UV index in June in Lake Forest?

In Lake Forest, the average daily maximum UV index in June is 6. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in June
Lake Forest, IL

Average temperature in June - Lake Forest, IL
  • Average high temperature in June: 71.1°F

The warmest month (with the highest average high temperature) is July (77.7°F).
The month with the lowest average high temperature is January (28.6°F).

  • Average low temperature in June: 59.4°F

The months with the highest average low temperature are July and August (66.7°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).

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Average pressure in June
Lake Forest, IL

Average pressure in June - Lake Forest, IL
  • Average pressure in June: 29.92"Hg

The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

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Average wind speed in June
Lake Forest, IL

Average wind speed in June - Lake Forest, IL
  • Average wind speed in June: 8.1mph

The windiest month (with the highest average wind speed) is January (11.9mph).
The calmest month (with the lowest average wind speed) is August (7.4mph).

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Average humidity in June
Lake Forest, IL

Average humidity in June - Lake Forest, IL
  • Average humidity in June: 79%

The months with the highest relative humidity are January and February (82%).
The month with the lowest relative humidity is October (73%).

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Average rainfall in June
Lake Forest, IL

Average rainfall in June - Lake Forest, IL
  • Average rainfall in June: 3.82"

The wettest months (with the highest rainfall) are May and June (3.82").
The driest month (with the least rainfall) is December (1.3").

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Average rainfall days in June
Lake Forest, IL

Average rainfall days in June - Lake Forest, IL
  • Average rainfall days in June: 16.6 days

The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is February (5.9 days).

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Average snowfall in June
Lake Forest, IL

Average snowfall in June - Lake Forest, IL
  • Average snowfall in June: 0"

The month with the highest snowfall is January (4.13").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in June
Lake Forest, IL

Average snowfall days in June - Lake Forest, IL
  • Average snowfall days in June: 0 days

The month with the highest number of snowfall days is January (11.9 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in June /
Average sunshine in June
Lake Forest, IL

Average daylight in June / Average sunshine in June - Lake Forest, IL
  • Average daylight in June: 15h and 13min

The month with the longest days is June (Average daylight: 15h and 13min).
The month with the shortest days is December (Average daylight: 9h and 9min).

  • Average sunshine in June: 10h and 0min

The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).

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Average sunshine days in June
Lake Forest, IL

Average sunshine days in June - Lake Forest, IL
  • Average sunshine days in June: 11.2 days

The month with the most sunshine days is December (15.3 days).
The month with the least sunshine days is April (10.8 days).

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Average UV index in June
Lake Forest, IL

Average UV index in June - Lake Forest, 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).

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Average cloud cover in June
Lake Forest, IL

Average cloud cover in June - Lake Forest, IL
  • Average cloud cover in June: 32

The month with the most cloud cover is January (Cloud cover 61).
The months with the least cloud cover are July and August (Cloud cover 27).

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Average visibility in June
Lake Forest, IL

Average visibility in June - Lake 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).

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