June weather forecast
Oak Brook, IL

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Weather in June

June, the first month of the summer in Oak Brook, is a moderately hot month, with temperature in the range of an average low of 61.7°F (16.5°C) and an average high of 78.3°F (25.7°C).

Temperature

June's arrival signals a temperature shift, moving from an agreeable 68.9°F (20.5°C) in May to a moderately hot 78.3°F (25.7°C). Oak Brook, during the month of June, experiences an average low-temperature of 61.7°F (16.5°C).

Humidity

The average relative humidity in June is 76%.

Rainfall

In June, the rain falls for 14.3 days. Throughout June, 1.61" (41mm) of precipitation is accumulated. In Oak Brook, Illinois, during the entire year, the rain falls for 118.5 days and collects up to 13.74" (349mm) of precipitation.

Snowfall

May through September are months without snowfall.

Daylight

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

Sunshine

In June, the average sunshine is 9.6h.

UV index

The months with the highest UV index in Oak Brook are June through August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for the average person.
Note: The maximum UV index of 6 during June translates into these guidelines:
Take precautions against overexposure. Protection against sun damage is needed. Remember that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. Make an effort to avoid direct sun exposure during these hours. Opt for tightly woven and loose clothing to enhance protection from the Sun.
Updated: Jul 27, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are June temperatures?

In Oak Brook, in June, the average high-temperature is 78.3°F (25.7°C), and the average low-temperature is 61.7°F (16.5°C).

What is the average humidity in June?

In Oak Brook, the average relative humidity in June is 76%.

How much does it rain in June?

In Oak Brook, Illinois, in June, it is raining for 14.3 days, with typically 1.61" (41mm) of accumulated precipitation.

When it does not snow?

May through September are months without snowfall.

When are the longest days?

The month with the longest days in Oak Brook is June, with an average of 15h and 12min of daylight.

How many hours of daylight does Oak Brook have in June?

The average day length in June is 15h and 10min.

When are sunrise and 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, in Oak Brook, sunrise is at 5:20 am and sunset at 8:30 pm CDT.

How long on average sun shines in June?

The average sunshine duration in June is 9.6h.

When is the highest UV index?

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

What is the UV index reading in June?

The average daily maximum UV index in June in Oak Brook is 6. A UV Index value of 6 to 7 symbolizes a high health threat 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
Oak Brook, IL

Average temperature in June - Oak Brook, IL
  • Average high temperature in June: 78.3°F

The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (28.8°F).

  • Average low temperature in June: 61.7°F

The month with the highest average low temperature is July (66.4°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).

Average pressure in June
Oak Brook, IL

Average pressure in June - Oak Brook, 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
Oak Brook, IL

Average wind speed in June - Oak Brook, IL
  • Average wind speed in June: 7.1mph

The windiest month (with the highest average wind speed) is January (9.7mph).
The calmest month (with the lowest average wind speed) is August (6.1mph).

Average humidity in June
Oak Brook, IL

Average humidity in June - Oak Brook, IL
  • Average humidity in June: 76%

The months with the highest relative humidity are January and February (82%).
The month with the lowest relative humidity is October (72%).

Average rainfall in June
Oak Brook, IL

Average rainfall in June - Oak Brook, IL
  • Average rainfall in June: 1.61"

The wettest month (with the highest rainfall) is May (1.97").
The driest month (with the least rainfall) is December (0.63").

Average rainfall days in June
Oak Brook, IL

Average rainfall days in June - Oak Brook, IL
  • Average rainfall days in June: 14.3 days

The month with the highest number of rainy days is May (14.9 days).
The month with the least rainy days is February (4.2 days).

Average snowfall in June
Oak Brook, IL

Average snowfall in June - Oak Brook, IL
  • Average snowfall in June: 0"

The month with the highest snowfall is February (2.28").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in June
Oak Brook, IL

Average snowfall days in June - Oak Brook, IL
  • Average snowfall days in June: 0 days

The month with the highest number of snowfall days is January (9.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in June /
Average sunshine in June
Oak Brook, IL

Average daylight in June / Average sunshine in June - Oak Brook, 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 4min

The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).

Average sunshine days in June
Oak Brook, IL

Average sunshine days in June - Oak Brook, IL
  • Average sunshine days in June: 12.3 days

The month with the most sunshine days is December (20.7 days).
The month with the least sunshine days is July (11.8 days).

Average UV index in June
Oak Brook, IL

Average UV index in June - Oak Brook, 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 January (UV index 1).

Average cloud cover in June
Oak Brook, IL

Average cloud cover in June - Oak Brook, IL
  • Average cloud cover in June: 35

The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 31).

Average visibility in June
Oak Brook, IL

Average visibility in June - Oak Brook, 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).

Oak Brook, Illinois, USA

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