June weather forecast
Cottonwood, IL

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Weather in June

The first month of the summer, June, is also a moderately hot month in Cottonwood, Illinois, with an average temperature fluctuating between 66.4°F (19.1°C) and 84°F (28.9°C).

Temperature

As Cottonwood transitions into June, the average high-temperature is observed to slightly rise from 75.6°F (24.2°C) in May to a still moderately hot 84°F (28.9°C). Cottonwood experiences a mean temperature of 66.4°F (19.1°C) during June nights.

Heat index

Throughout June, the heat index is evaluated at a hot 93.2°F (34°C). Incorporate special precautions, risk of heat exhaustion and heat cramps is substantial. Sustained activity could cause heatstroke.
Heat index determinations are made taking into account the shade and light air movements. A rise in the heat index by 15 Fahrenheit (8 Celsius) degrees may result from direct sunlight exposure.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is derived by integrating air temperature with the existing relative humidity to express the perceived warmth. This impact is subjective, influenced by the person's physical activity and individual heat perception, affected by factors including wind, attire, and metabolic differences. Keep in mind that direct sunshine exposure can amplify the weather's effects, possibly increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Youths are typically more endangered than adults since they usually sweat less. Their larger skin surface concerning their smaller bodies and higher heat production due to activity further adds to their vulnerability.

Humidity

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

Rainfall

In Cottonwood, in June, during 14.3 rainfall days, 2.24" (57mm) of precipitation is typically accumulated. In Cottonwood, Illinois, during the entire year, the rain falls for 146.3 days and collects up to 24.96" (634mm) of precipitation.

Snowfall

In Cottonwood, snow does not fall in May through October.

Daylight

June has the longest days of the year, with an average of 14h and 42min of daylight.
On the first day of June, sunrise is at 5:31 am and sunset at 8:09 pm. On the last day of the month, sunrise is at 5:34 am and sunset at 8:19 pm CDT.

Sunshine

In June, the average sunshine in Cottonwood is 10.5h.

UV index

The months with the highest UV index in Cottonwood are May through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for the average person.
Note: A maximum high UV index of 6 in June translates into the following recommendations:
Exercise precautions and adapt sun safety practices. Defence against skin and eye affliction is paramount. Between 10 a.m. and 4 p.m., the Sun's UV radiation is at its peak. Limit your exposure to direct sunlight during these hours. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
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Frequently asked questions

How hot is it in Cottonwood in June?

During June, Cottonwood experiences an average high-temperature of 84°F (28.9°C) and a low-temperature of 66.4°F (19.1°C). In June, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which combines air temperature and relative humidity, is evaluated at 93.2°F (34°C).

What is the average humidity in June in Cottonwood?

The average relative humidity in June in Cottonwood is 77%.

How many days does it rain in June in Cottonwood?

In Cottonwood, Illinois, in June, during 14.3 rainfall days, 2.24" (57mm) of precipitation is typically accumulated.

When it does not snow in Cottonwood?

In Cottonwood, snow does not fall in May through October.

When are the longest days in Cottonwood?

June has the longest days of the year, with an average of 14h and 42min of daylight.

How many hours of daylight does Cottonwood have in June?

In June, the average day length in Cottonwood is 14h and 45min.

When are sunrise and sunset in June in Cottonwood?

In June, on the first day of the month, sunrise is at 5:31 am and sunset at 8:09 pm. On the last day of the month, sunrise is at 5:34 am and sunset at 8:19 pm CDT.

How many hours of sunshine does Cottonwood have in June?

The average sunshine duration in June is 10.5h.

When is the highest UV index in Cottonwood?

May through August, with an average maximum UV index of 6, are months with the highest UV index.

What is the UV index intensity in June in Cottonwood?

In June, the average daily maximum UV index in Cottonwood, Illinois, is 6. A UV Index reading of 6 to 7 represents a high health vulnerability 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
Cottonwood, IL

Average temperature in June - Cottonwood, IL
  • Average high temperature in June: 84°F

The warmest month (with the highest average high temperature) is July (86.2°F).
The month with the lowest average high temperature is January (39.7°F).

  • Average low temperature in June: 66.4°F

The month with the highest average low temperature is July (68.4°F).
The coldest month (with the lowest average low temperature) is January (26.8°F).

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Average pressure in June
Cottonwood, IL

Average pressure in June - Cottonwood, IL
  • Average pressure in June: 29.95"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

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Average wind speed in June
Cottonwood, IL

Average wind speed in June - Cottonwood, IL
  • Average wind speed in June: 6.7mph

The windiest month (with the highest average wind speed) is February (9.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).

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Average humidity in June
Cottonwood, IL

Average humidity in June - Cottonwood, IL
  • Average humidity in June: 77%

The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is October (70%).

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Average rainfall in June
Cottonwood, IL

Average rainfall in June - Cottonwood, IL
  • Average rainfall in June: 2.24"

The wettest month (with the highest rainfall) is April (3.27").
The driest month (with the least rainfall) is September (1.14").

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Average rainfall days in June
Cottonwood, IL

Average rainfall days in June - Cottonwood, IL
  • Average rainfall days in June: 14.3 days

The month with the highest number of rainy days is May (16.7 days).
The month with the least rainy days is November (9 days).

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Average snowfall in June
Cottonwood, IL

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

The month with the highest snowfall is February (0.87").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in June
Cottonwood, IL

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

The month with the highest number of snowfall days is January (4.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

Average daylight in June / Average sunshine in June - Cottonwood, IL
  • Average daylight in June: 14h and 4min

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • Average sunshine in June: 10h and 3min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).

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Average sunshine days in June
Cottonwood, IL

Average sunshine days in June - Cottonwood, IL
  • Average sunshine days in June: 12.1 days

The month with the most sunshine days is October (20.5 days).
The month with the least sunshine days is May (11.2 days).

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Average UV index in June
Cottonwood, IL

Average UV index in June - Cottonwood, IL
  • Average UV index in June: 6

The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).

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Average cloud cover in June
Cottonwood, IL

Average cloud cover in June - Cottonwood, IL
  • Average cloud cover in June: 27

The month with the most cloud cover is January (Cloud cover 51).
The month with the least cloud cover is June (Cloud cover 27).

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Average visibility in June
Cottonwood, IL

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

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