June weather forecast
Carterville, IL

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Weather in June

June, the first month of the summer in Carterville, is still a warm month, with temperature in the range of an average low of 66.4°F (19.1°C) and an average high of 84.7°F (29.3°C).

Temperature

The onset of June marks an increase in the average high-temperature, moving from 75.4°F (24.1°C) in May to a still moderately hot 84.7°F (29.3°C). The average temperature during June nights in Carterville is registered at an enjoyable 66.4°F (19.1°C).

Heat index

For most parts of June, the heat index is computed to be a torrid 95°F (35°C). Greater preventive actions are needed, heat exhaustion and heat cramps are likely. Persistent activity could provoke heatstroke.
Consider that heat index readings are for situations in the shade and light wind. The heat index values could be amplified by up to 15 Fahrenheit (8 Celsius) degrees in direct sunlight.
Note: The heat index, also known as 'real feel' or 'feels like', combines both the air temperature and the humidity level to give a perceived human temperature. The impact of weather is individual, with diverse individuals experiencing it differently due to variations in body mass, height, and activity levels. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Kids are usually in more danger than grown-ups as they tend to sweat less. Plus, their bigger skin surface in relation to their small frames and increased heat generation due to their activity level make them more susceptible.
The process of perspiration is vital for the human body to get rid of excess warmth by allowing sweat to evaporate. In conditions of both high temperature and humidity (a high heat index), sweating is limited and the perception of heat is enhanced. When the body is unable to balance heat gain, its temperature elevates, which may induce thermal illnesses.

Humidity

In June, the average relative humidity in Carterville is 76%.

Rainfall

In Carterville, in June, it is raining for 13.3 days, with typically 2.13" (54mm) of accumulated precipitation. In Carterville, during the entire year, the rain falls for 137.6 days and collects up to 23.03" (585mm) of precipitation.

Snowfall

May through September are months without snowfall in Carterville.

Daylight

June has the longest days of the year, with an average of 14h and 42min of daylight.
On the first day of the month, sunrise is at 5:35 am and sunset at 8:12 pm. On the last day of June, in Carterville, Illinois, sunrise is at 5:38 am and sunset at 8:22 pm CDT.

Sunshine

The months with the most sunshine in Carterville are June and July, with an average of 10.5h of sunshine.

UV index

The months with the highest UV index in Carterville, Illinois, are May through August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for average individuals.
Note: The daily maximum UV index of 6 in June interprets into the following advice:
Prevent overexposure. Protection from the sun's harmful effects is needed. Between 10 a.m. and 4 p.m., the Sun emits the most powerful UV radiation. Limit direct exposure to the Sun during these hours. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
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Frequently asked questions

Is it hot in Carterville during June?

Carterville in June has an average high-temperature of 84.7°F (29.3°C) and an average low-temperature of 66.4°F (19.1°C). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, in June is computed to be 95°F (35°C).

What is the average humidity in June in Carterville?

In Carterville, Illinois, the average relative humidity in June is 76%.

How many days does it rain in June in Carterville?

In June, in Carterville, the rain falls for 13.3 days. Throughout June, 2.13" (54mm) of precipitation is accumulated.

When it does not snow in Carterville?

In Carterville, Illinois, snow does not fall in May through September.

When are the longest days in Carterville?

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

How many hours of daylight does Carterville have in June?

In Carterville, Illinois, the average day length in June is 14h and 44min.

What time are sunrise and sunset in June in Carterville?

On the first day of June in Carterville, sunrise is at 5:35 am and sunset at 8:12 pm. On the last day of the month, sunrise is at 5:38 am and sunset at 8:22 pm CDT.

What is the month with the most sunshine in Carterville?

June and July, with an average of 10.5h of sunshine, are months with the most sunshine in Carterville.

How many hours of sunshine does Carterville have in June?

In Carterville, the average sunshine duration in June is 10.5h.

When is the highest UV index in Carterville?

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

What is the UV index intensity in June in Carterville?

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

Average temperature in June - Carterville, IL
  • Average high temperature in June: 84.7°F

The warmest month (with the highest average high temperature) is July (87.4°F).
The month with the lowest average high temperature is January (39.6°F).

  • Average low temperature in June: 66.4°F

The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).

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Average pressure in June
Carterville, IL

Average pressure in June - Carterville, IL
  • Average pressure in June: 29.94"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

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Average wind speed in June
Carterville, IL

Average wind speed in June - Carterville, IL
  • Average wind speed in June: 6.6mph

The windiest months (with the highest average wind speed) are January and February (9.4mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).

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Average humidity in June
Carterville, IL

Average humidity in June - Carterville, IL
  • Average humidity in June: 76%

The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is October (71%).

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Average rainfall in June
Carterville, IL

Average rainfall in June - Carterville, IL
  • Average rainfall in June: 2.13"

The wettest month (with the highest rainfall) is April (3.11").
The driest month (with the least rainfall) is September (1.1").

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Average rainfall days in June
Carterville, IL

Average rainfall days in June - Carterville, IL
  • Average rainfall days in June: 13.3 days

The month with the highest number of rainy days is July (15.3 days).
The month with the least rainy days is November (7.8 days).

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Average snowfall in June
Carterville, IL

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

The months with the highest snowfall are January and February (0.94").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in June
Carterville, IL

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

The month with the highest number of snowfall days is February (4.3 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
Carterville, IL

Average daylight in June / Average sunshine in June - Carterville, 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 months with the most sunshine are June and July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).

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Average sunshine days in June
Carterville, IL

Average sunshine days in June - Carterville, IL
  • Average sunshine days in June: 13.3 days

The month with the most sunshine days is October (20.6 days).
The month with the least sunshine days is July (12.9 days).

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Average UV index in June
Carterville, IL

Average UV index in June - Carterville, 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
Carterville, IL

Average cloud cover in June - Carterville, IL
  • Average cloud cover in June: 28

The month with the most cloud cover is February (Cloud cover 51).
The months with the least cloud cover are June, August and September (Cloud cover 28).

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Average visibility in June
Carterville, IL

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

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