June weather forecast
Crystal Lake, IL

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Weather in June

June, the first month of the summer in Crystal Lake, is a warm month, with an average temperature fluctuating between 59°F (15°C) and 76.1°F (24.5°C).

Temperature

June's arrival coincides with a rise in the average high-temperature, moving from May's comfortable 67.1°F (19.5°C) to a moderately hot 76.1°F (24.5°C). Throughout the June nights, Crystal Lake encounters a low-temperature of 59°F (15°C).

Humidity

In June, the average relative humidity is 81%.

Rainfall

June is the month with the most rainfall. Rain falls for 16.3 days and accumulates 2.8" (71mm) of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

June has the longest days of the year in Crystal Lake, Illinois, with an average of 15h and 12min of daylight.
On the first day of June, sunrise is at 5:18 am and sunset at 8:23 pm. On the last day of the month, sunrise is at 5:20 am and sunset at 8:33 pm CDT.

Sunshine

The average sunshine in June in Crystal Lake, Illinois, is 9.7h.

UV index

The average daily maximum UV index in June in Crystal Lake is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the average person.
Note: The UV index of 5 during June translates into the following guidance:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
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Frequently asked questions

What is the usual temperature for Crystal Lake in June?

The high-temperature in Crystal Lake, Illinois, during June is 76.1°F (24.5°C) and the low-temperature is 59°F (15°C).

What is the average humidity in June in Crystal Lake?

In June, the average relative humidity in Crystal Lake is 81%.

What is the rainiest month in Crystal Lake?

June is the month with the most rainfall in Crystal Lake. Rain falls for 16.3 days and accumulates 2.8" (71mm) of precipitation.

How many days does it rain in June in Crystal Lake?

In Crystal Lake, Illinois, during June, the rain falls for 16.3 days and regularly aggregates up to 2.8" (71mm) of precipitation.

When it does not snow in Crystal Lake?

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

Does it snow in Crystal Lake in June?

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

When are the longest days in Crystal Lake?

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

What is the average length of the day in June in Crystal Lake?

In June, the average day length is 15h and 13min.

What time are sunrise and sunset in June in Crystal Lake?

In June, on the first day of the month, sunrise is at 5:18 am and sunset at 8:23 pm. On the last day of the month, in Crystal Lake, sunrise is at 5:20 am and sunset at 8:33 pm CDT.

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

The average sunshine duration in June in Crystal Lake, Illinois, is 9.7h.

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

The average daily maximum UV index in June is 5. A UV Index value of 3 to 5 symbolizes a medium 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
Crystal Lake, IL

Average temperature in June - Crystal Lake, IL
  • Average high temperature in June: 76.1°F

The warmest month (with the highest average high temperature) is July (79.5°F).
The month with the lowest average high temperature is January (27°F).

  • Average low temperature in June: 59°F

The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (15.1°F).

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Average pressure in June
Crystal Lake, IL

Average pressure in June - Crystal Lake, 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
Crystal Lake, IL

Average wind speed in June - Crystal Lake, IL
  • Average wind speed in June: 7.2mph

The windiest months (with the highest average wind speed) are January and February (9.9mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).

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Average humidity in June
Crystal Lake, IL

Average humidity in June - Crystal Lake, IL
  • Average humidity in June: 81%

The months with the highest relative humidity are January and February (85%).
The months with the lowest relative humidity are April and October (76%).

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Average rainfall in June
Crystal Lake, IL

Average rainfall in June - Crystal Lake, IL
  • Average rainfall in June: 2.8"

The wettest month (with the highest rainfall) is June (2.8").
The driest months (with the least rainfall) are November and December (0.94").

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Average rainfall days in June
Crystal Lake, IL

Average rainfall days in June - Crystal Lake, IL
  • Average rainfall days in June: 16.3 days

The month with the highest number of rainy days is July (18.5 days).
The month with the least rainy days is February (4.8 days).

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Average snowfall in June
Crystal Lake, IL

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

The month with the highest snowfall is January (3.31").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in June
Crystal Lake, IL

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

The month with the highest number of snowfall days is January (12.5 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
Crystal Lake, IL

Average daylight in June / Average sunshine in June - Crystal Lake, 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 July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).

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Average sunshine days in June
Crystal Lake, IL

Average sunshine days in June - Crystal Lake, IL
  • Average sunshine days in June: 10.7 days

The month with the most sunshine days is November (17.3 days).
The month with the least sunshine days is July (10 days).

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Average UV index in June
Crystal Lake, IL

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

The month with the highest UV index is 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
Crystal Lake, IL

Average cloud cover in June - Crystal Lake, 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 September (Cloud cover 32).

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Average visibility in June
Crystal Lake, IL

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

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

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Crystal Lake, Illinois, USA

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