June weather forecast
Arlington Heights, IL

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Weather in June

June is the gateway to summer in Arlington Heights with high temperatures averaging around 76.3°F (24.6°C). Interestingly, there is no snow in sight, confirming summer’s arrival. Sunshine pours in generously, clocking 15.2 hours of daylight while cloudiness recedes to 35%. Winds persist but mellow down further, adding to the gentleness of the month. With the mercury reaching its mid-year highs, June is a great time for residents to indulge in summertime fun.

Temperature

As June begins in Arlington Heights, there is an increase in the average high-temperature, moving from a refreshing 66.4°F (19.1°C) in May to a moderately hot 76.3°F (24.6°C). In June, Arlington Heights experiences an average nighttime temperature of 60.6°F (15.9°C).

Humidity

In June, the average relative humidity in Arlington Heights is 77%.

Rainfall

In Arlington Heights, in June, during 15 rainfall days, 3.11" (79mm) of precipitation is typically accumulated. In Arlington Heights, during the entire year, the rain falls for 142.7 days and collects up to 27.91" (709mm) of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

With an average of 15h and 12min of daylight, June has the longest days of the year in Arlington Heights, Illinois.
On the first day of the month, sunrise is at 5:18 am and sunset at 8:21 pm. On the last day of June, in Arlington Heights, sunrise is at 5:19 am and sunset at 8:31 pm CDT.

Sunshine

In Arlington Heights, the average sunshine in June is 9.6h.

UV index

The months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for the average person.
Note: An average UV index of 6 in June transforms into this advice:
Shun overexposure. Protection from sun ravages is indispensable. Be aware that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. and try to reduce direct sun exposure during this period as much as possible. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Arlington Heights in June?

June temperatures in Arlington Heights, Illinois, vary between a high-temperature of 76.3°F (24.6°C) and a low-temperature of 60.6°F (15.9°C).

What is the average humidity in June in Arlington Heights?

In Arlington Heights, the average relative humidity in June is 77%.

How much does it rain in Arlington Heights in June?

In Arlington Heights, Illinois, in June, it is raining for 15 days, with typically 3.11" (79mm) of accumulated precipitation.

When it does not snow in Arlington Heights?

June through September are months without snowfall.

Does it snow in Arlington Heights in June?

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

When are the longest days in Arlington Heights?

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

How many hours of daylight does Arlington Heights have in June?

In Arlington Heights, Illinois, the average day length in June is 15h and 12min.

When is the sunrise / sunset in June in Arlington Heights?

On the first day of June in Arlington Heights, Illinois, sunrise is at 5:18 am and sunset at 8:21 pm. On the last day of the month, sunrise is at 5:19 am and sunset at 8:31 pm CDT.

How many hours of sunshine does Arlington Heights have in June?

The average sunshine duration in June in Arlington Heights, Illinois, is 9.6h.

What are the months with the highest UV index in Arlington Heights?

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

What is the UV index intensity in June in Arlington Heights?

The average daily maximum UV index in June in Arlington Heights, Illinois, is 6. A UV Index 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
Arlington Heights, IL

Average temperature in June - Arlington Heights, IL
  • Average high temperature in June: 76.3°F

The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (27.9°F).

  • Average low temperature in June: 60.6°F

The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (17.4°F).

Average pressure in June
Arlington Heights, IL

Average pressure in June - Arlington Heights, 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
Arlington Heights, IL

Average wind speed in June - Arlington Heights, IL
  • Average wind speed in June: 7.3mph

The windiest month (with the highest average wind speed) is January (10.1mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).

Average humidity in June
Arlington Heights, IL

Average humidity in June - Arlington Heights, IL
  • Average humidity in June: 77%

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

Average rainfall in June
Arlington Heights, IL

Average rainfall in June - Arlington Heights, IL
  • Average rainfall in June: 3.11"

The wettest months (with the highest rainfall) are April and May (3.46").
The driest month (with the least rainfall) is November (1.57").

Average rainfall days in June
Arlington Heights, IL

Average rainfall days in June - Arlington Heights, IL
  • Average rainfall days in June: 15 days

The month with the highest number of rainy days is May (16.4 days).
The month with the least rainy days is February (5.8 days).

Average snowfall in June
Arlington Heights, IL

Average snowfall in June - Arlington Heights, IL
  • Average snowfall in June: 0"

The month with the highest snowfall is February (5.71").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in June
Arlington Heights, IL

Average snowfall days in June - Arlington Heights, 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).

Average daylight in June /
Average sunshine in June
Arlington Heights, IL

Average daylight in June / Average sunshine in June - Arlington Heights, 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 months with the most sunshine are July and August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).

Average sunshine days in June
Arlington Heights, IL

Average sunshine days in June - Arlington Heights, IL
  • Average sunshine days in June: 13.3 days

The month with the most sunshine days is November (16.4 days).
The month with the least sunshine days is February (10.3 days).

Average UV index in June
Arlington Heights, IL

Average UV index in June - Arlington Heights, 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).

Average cloud cover in June
Arlington Heights, IL

Average cloud cover in June - Arlington Heights, IL
  • Average cloud cover in June: 35

The month with the most cloud cover is January (Cloud cover 62).
The months with the least cloud cover are July and August (Cloud cover 30).

Average visibility in June
Arlington Heights, IL

Average visibility in June - Arlington Heights, IL
  • Average visibility in June: 6mi

The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).

Arlington Heights, Illinois, USA

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