June weather forecast
Round Lake Heights, IL

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Weather in June

June, the first month of the summer in Round Lake Heights, is a moderately hot month, with an average temperature ranging between max 74.8°F (23.8°C) and min 58.8°F (14.9°C).

Temperature

As June arrives, a rise in the average high-temperature is observed, moving from a refreshing 65.3°F (18.5°C) in May to a warm 74.8°F (23.8°C). An average low-temperature of 58.8°F (14.9°C) is observed during June nights.

Humidity

In Round Lake Heights, the average relative humidity in June is 80%.

Rainfall

In Round Lake Heights, Illinois, during June, the rain falls for 15.7 days and regularly aggregates up to 2.6" (66mm) of precipitation. Throughout the year, in Round Lake Heights, there are 142.3 rainfall days, and 21.97" (558mm) of precipitation is accumulated.

Snowfall

In Round Lake Heights, snow does not fall in June through September.

Daylight

With an average of 15h and 12min of daylight, June has the longest days of the year.
On the first day of June, sunrise is at 5:17 am and sunset at 8:23 pm. On the last day of the month, sunrise is at 5:19 am and sunset at 8:33 pm CDT.

Sunshine

In June, the average sunshine in Round Lake Heights is 9.7h.

UV index

The average daily maximum UV index in June is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for average individuals.
Note: In June, the maximum UV index of 5 suggests this advice:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
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Frequently asked questions

What is the usual temperature for Round Lake Heights in June?

In Round Lake Heights, in June, the average high-temperature is 74.8°F (23.8°C), and the average low-temperature is 58.8°F (14.9°C).

What is the average humidity in June in Round Lake Heights?

The average relative humidity in June is 80%.

How much does it rain in Round Lake Heights in June?

In Round Lake Heights, Illinois, in June, during 15.7 rainfall days, 2.6" (66mm) of precipitation is typically accumulated.

When it does not snow in Round Lake Heights?

In Round Lake Heights, Illinois, snow does not fall in June through September.

Does it snow in Round Lake Heights in June?

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

When are the longest days in Round Lake Heights?

With an average of 15h and 12min of daylight, June has the longest days of the year in Round Lake Heights, Illinois.

What is the average length of the day in June in Round Lake Heights?

In Round Lake Heights, the average day length in June is 15h and 14min.

When is the sunrise / sunset in June in Round Lake Heights?

In June, on the first day of the month, sunrise is at 5:17 am and sunset at 8:23 pm. On the last day of the month, in Round Lake Heights, Illinois, sunrise is at 5:19 am and sunset at 8:33 pm CDT.

How long on average sun shines in June in Round Lake Heights?

In June, the average sunshine duration in Round Lake Heights, Illinois, is 9.7h.

What is the UV index intensity in June in Round Lake Heights?

In June, the average daily maximum UV index in Round Lake Heights is 5. A UV Index estimate of 3 to 5 represents a medium health risk 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
Round Lake Heights, IL

Average temperature in June - Round Lake Heights, IL
  • Average high temperature in June: 74.8°F

The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (27.5°F).

  • Average low temperature in June: 58.8°F

The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (16.5°F).

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Average pressure in June
Round Lake Heights, IL

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

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

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Average wind speed in June
Round Lake Heights, IL

Average wind speed in June - Round Lake Heights, IL
  • Average wind speed in June: 7.4mph

The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).

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Average humidity in June
Round Lake Heights, IL

Average humidity in June - Round Lake Heights, IL
  • Average humidity in June: 80%

The months with the highest relative humidity are January and February (83%).
The month with the lowest relative humidity is October (74%).

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Average rainfall in June
Round Lake Heights, IL

Average rainfall in June - Round Lake Heights, IL
  • Average rainfall in June: 2.6"

The wettest month (with the highest rainfall) is April (2.72").
The driest month (with the least rainfall) is December (0.98").

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Average rainfall days in June
Round Lake Heights, IL

Average rainfall days in June - Round Lake Heights, IL
  • Average rainfall days in June: 15.7 days

The month with the highest number of rainy days is July (17.5 days).
The month with the least rainy days is February (5 days).

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Average snowfall in June
Round Lake Heights, IL

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

The month with the highest snowfall is January (3.58").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in June
Round Lake Heights, IL

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

The month with the highest number of snowfall days is January (13.7 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
Round Lake Heights, IL

Average daylight in June / Average sunshine in June - Round Lake 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 6min).

  • Average sunshine in June: 9h and 4min

The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).

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Average sunshine days in June
Round Lake Heights, IL

Average sunshine days in June - Round Lake Heights, IL
  • Average sunshine days in June: 11.7 days

The month with the most sunshine days is November (17.1 days).
The month with the least sunshine days is May (10.8 days).

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Average UV index in June
Round Lake Heights, IL

Average UV index in June - Round Lake Heights, IL
  • Average UV index in June: 5

The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).

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Average cloud cover in June
Round Lake Heights, IL

Average cloud cover in June - Round Lake Heights, 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, August and September (Cloud cover 30).

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Average visibility in June
Round Lake Heights, IL

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

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

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Round Lake Heights, Illinois, USA

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