June weather forecast
Green Valley, IL

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Weather in June

June, the first month of the summer in Green Valley, is a warm month, with an average temperature fluctuating between 80.6°F (27°C) and 63.9°F (17.7°C).

Temperature

Green Valley's transition into June brings a slight rise in the average high-temperature, moving from an agreeable 72.1°F (22.3°C) in May to a moderately hot 80.6°F (27°C). The month of June records an average low-temperature of 63.9°F (17.7°C).

Heat index

The heat index value for June is evaluated at a tropical 86°F (30°C). Enduring exposure and unrelenting activity might cause a state of weariness, potentially leading to heat cramps.
Take into consideration that the heat index values are calculated for shade and light wind conditions. When exposed to the direct sun, the heat index may augment by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', gives a temperature feeling by integrating air temperature and humidity. Additional elements encompassing metabolic differences, the degree of physical activity, and attire can impact the individual's perception of temperature. Consider the fact that direct sun exposure can influence how hot one feels, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Typically, young kids are at a higher risk than adults since they sweat less. Also, the larger skin surface in proportion to their small bodies and the heightened heat production due to their active nature adds to their vulnerability.

Humidity

In June, the average relative humidity is 80%.

Rainfall

In Green Valley, in June, it is raining for 15.7 days, with typically 2.28" (58mm) of accumulated precipitation. In Green Valley, during the entire year, the rain falls for 131.4 days and collects up to 20.08" (510mm) of precipitation.

Snowfall

In Green Valley, Illinois, snow does not fall in May through October.

Daylight

With an average of 15h and 0min of daylight, June has the longest days of the year in Green Valley, Illinois.
On the first day of the month, sunrise is at 5:30 am and sunset at 8:22 pm. On the last day of June, sunrise is at 5:32 am and sunset at 8:32 pm CDT.

Sunshine

The month with the most sunshine is June, with an average of 10.2h of sunshine.

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for the average person.
Note: In June, the maximum UV index of 6 suggests this advice:
Persist in precautions and follow sun safety policies. Keeping sunburn at bay is imperative. During the period from 10 a.m. to 4 p.m., UV radiation is highest. Try to avoid direct sunlight during these hours. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
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Frequently asked questions

What are the temperatures in Green Valley in June?

In June, in Green Valley, the average high-temperature is 80.6°F (27°C), and the average low-temperature is 63.9°F (17.7°C). In June, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which represents the influence of relative humidity on air temperature, is evaluated at 86°F (30°C).

What is the average humidity in June in Green Valley?

In June, the average relative humidity in Green Valley is 80%.

How many days does it rain in June in Green Valley?

In Green Valley, Illinois, during June, the rain falls for 15.7 days and regularly aggregates up to 2.28" (58mm) of precipitation.

When it does not snow in Green Valley?

May through October are months without snowfall in Green Valley.

When are the longest days in Green Valley?

With an average of 15h and 0min of daylight, June has the longest days of the year.

How many hours of daylight does Green Valley have in June?

In Green Valley, the average day length in June is 15h and 1min.

When are sunrise and sunset in June in Green Valley?

In June, on the first day of the month, sunrise is at 5:30 am and sunset at 8:22 pm. On the last day of the month, sunrise is at 5:32 am and sunset at 8:32 pm CDT.

What month has the most sunshine in Green Valley?

June has the most sunshine of the year in Green Valley, with an average of 10.2h of sunshine.

How long on average sun shines in June in Green Valley?

The average sunshine duration in June in Green Valley, Illinois, is 10.2h.

What are the months with the highest UV index in Green Valley?

June through August, with an average maximum UV index of 6, are months with the highest UV index in Green Valley, Illinois.

How high is the UV index in June in Green Valley?

The average daily maximum UV index in June in Green Valley, Illinois, is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's 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
Green Valley, IL

Average temperature in June - Green Valley, IL
  • Average high temperature in June: 80.6°F

The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (31.5°F).

  • Average low temperature in June: 63.9°F

The month with the highest average low temperature is July (65.3°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).

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Average pressure in June
Green Valley, IL

Average pressure in June - Green Valley, IL
  • Average pressure in June: 29.91"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

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Average wind speed in June
Green Valley, IL

Average wind speed in June - Green Valley, IL
  • Average wind speed in June: 7.7mph

The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).

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Average humidity in June
Green Valley, IL

Average humidity in June - Green Valley, IL
  • Average humidity in June: 80%

The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (71%).

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Average rainfall in June
Green Valley, IL

Average rainfall in June - Green Valley, IL
  • Average rainfall in June: 2.28"

The wettest month (with the highest rainfall) is May (2.83").
The driest month (with the least rainfall) is February (1.02").

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Average rainfall days in June
Green Valley, IL

Average rainfall days in June - Green Valley, IL
  • Average rainfall days in June: 15.7 days

The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is February (5.1 days).

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Average snowfall in June
Green Valley, IL

Average snowfall in June - Green Valley, IL
  • Average snowfall in June: 0"

The month with the highest snowfall is January (2.87").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in June
Green Valley, IL

Average snowfall days in June - Green Valley, IL
  • Average snowfall days in June: 0 days

The month with the highest number of snowfall days is January (8.4 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
Green Valley, IL

Average daylight in June / Average sunshine in June - Green Valley, IL
  • Average daylight in June: 15h and 0min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in June: 10h and 1min

The month with the most sunshine is June (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).

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Average sunshine days in June
Green Valley, IL

Average sunshine days in June - Green Valley, IL
  • Average sunshine days in June: 12 days

The month with the most sunshine days is November (20 days).
The month with the least sunshine days is May (11.8 days).

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Average UV index in June
Green Valley, IL

Average UV index in June - Green Valley, IL
  • Average UV index in June: 6

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

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Average cloud cover in June
Green Valley, IL

Average cloud cover in June - Green Valley, IL
  • Average cloud cover in June: 32

The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is September (Cloud cover 30).

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Average visibility in June
Green Valley, IL

Average visibility in June - Green Valley, IL
  • Average visibility in June: 6mi

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

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Green Valley, Illinois, USA

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