June weather forecast
Winnetka, IL

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Weather in June

The first month of the summer, June, is a pleasant month in Winnetka, Illinois, with an average temperature ranging between min 60.1°F (15.6°C) and max 72.5°F (22.5°C).

Temperature

In June, the meteorological conditions change with the average high-temperature moving from a refreshing 62.8°F (17.1°C) in May to an agreeable 72.5°F (22.5°C). Winnetka records a consistent low-temperature of 60.1°F (15.6°C) during June nights.

Humidity

The average relative humidity in June is 78%.

Rainfall

The months with the most rainfall are May and June, with an average 4.57" (116mm) of precipitation.

Snowfall

In Winnetka, Illinois, snow does not fall in June through September.

Daylight

June has the longest days of the year in Winnetka, with an average of 15h and 12min of daylight.
On the first day of the month, sunrise is at 5:17 am and sunset at 8:20 pm. On the last day of June, in Winnetka, sunrise is at 5:18 am and sunset at 8:30 pm CDT.

Sunshine

In June, the average sunshine is 9.8h.

UV index

The months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for average individuals.
Note: The maximum daily UV index of 6 during June translates into the following directions:
Undertake precautions and comply with sun safety standards. Protection from skin and eye injury is vital. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
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Frequently asked questions

What are the temperatures in Winnetka in June?

The high-temperature, in June, in Winnetka, is 72.5°F (22.5°C), while the low-temperature averages to 60.1°F (15.6°C).

What is the average humidity in June in Winnetka?

The average relative humidity in June in Winnetka is 78%.

What is the rainiest month in Winnetka?

The wettest months in Winnetka, Illinois, are May and June, with an average 4.57" (116mm) of rainfall.

How many days does it rain in June in Winnetka?

In Winnetka, Illinois, during June, the rain falls for 18.2 days and regularly aggregates up to 4.57" (116mm) of precipitation.

When it does not snow in Winnetka?

June through September are months without snowfall in Winnetka, Illinois.

Does it snow in Winnetka in June?

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

When are the longest days in Winnetka?

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

What is the average length of the day in June in Winnetka?

The average day length in June is 15h and 12min.

When are sunrise and sunset in June in Winnetka?

On the first day of June in Winnetka, sunrise is at 5:17 am and sunset at 8:20 pm. On the last day of the month, sunrise is at 5:18 am and sunset at 8:30 pm CDT.

How many hours of sunshine does Winnetka have in June?

In Winnetka, the average sunshine duration in June is 9.8h.

What is the month with the highest UV index in Winnetka?

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

How high is the UV index in June in Winnetka?

The average daily maximum UV index in June is 6. A UV Index of 6 to 7 symbolizes a high health risk from unsafe exposure to Sun's UV rays.
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
Winnetka, IL

Average temperature in June - Winnetka, IL
  • Average high temperature in June: 72.5°F

The warmest month (with the highest average high temperature) is July (79.2°F).
The month with the lowest average high temperature is January (28.8°F).

  • Average low temperature in June: 60.1°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 (18.9°F).

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Average pressure in June
Winnetka, IL

Average pressure in June - Winnetka, 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).

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Average wind speed in June
Winnetka, IL

Average wind speed in June - Winnetka, IL
  • Average wind speed in June: 8mph

The windiest month (with the highest average wind speed) is January (11.5mph).
The calmest month (with the lowest average wind speed) is August (7.1mph).

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Average humidity in June
Winnetka, IL

Average humidity in June - Winnetka, IL
  • Average humidity in June: 78%

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

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Average rainfall in June
Winnetka, IL

Average rainfall in June - Winnetka, IL
  • Average rainfall in June: 4.57"

The wettest months (with the highest rainfall) are May and June (4.57").
The driest month (with the least rainfall) is December (1.65").

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Average rainfall days in June
Winnetka, IL

Average rainfall days in June - Winnetka, IL
  • Average rainfall days in June: 18.2 days

The month with the highest number of rainy days is May (19.1 days).
The month with the least rainy days is February (6.1 days).

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Average snowfall in June
Winnetka, IL

Average snowfall in June - Winnetka, IL
  • Average snowfall in June: 0"

The month with the highest snowfall is January (4.84").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in June
Winnetka, IL

Average snowfall days in June - Winnetka, IL
  • Average snowfall days in June: 0 days

The month with the highest number of snowfall days is January (13.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in June /
Average sunshine in June
Winnetka, IL

Average daylight in June / Average sunshine in June - Winnetka, 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 months with the most sunshine are July and August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).

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Average sunshine days in June
Winnetka, IL

Average sunshine days in June - Winnetka, IL
  • Average sunshine days in June: 9.2 days

The month with the most sunshine days is November (15.5 days).
The month with the least sunshine days is June (9.2 days).

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Average UV index in June
Winnetka, IL

Average UV index in June - Winnetka, 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
Winnetka, IL

Average cloud cover in June - Winnetka, IL
  • Average cloud cover in June: 34

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 28).

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Average visibility in June
Winnetka, IL

Average visibility in June - Winnetka, 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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Winnetka, Illinois, USA

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