June weather forecast
South Roxana, IL

Weather in June

The first month of the summer, June, is also a moderately hot month in South Roxana, Illinois, with an average temperature ranging between max 83.1°F (28.4°C) and min 66.2°F (19°C).

Temperature

In June, the average high-temperature rises from a warm 74.1°F (23.4°C) in May to a still moderately hot 83.1°F (28.4°C). In South Roxana, Illinois, in June, the average low-temperature is 66.2°F (19°C).

Heat index

The average heat index in June is evaluated at a tropical 91.4°F (33°C). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.
Note that heat index values are valued for light wind and location in the shade. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel', 'apparent temperature', 'feels like', or 'felt air temperature', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. Additional factors like wind, pregnancy, differences in body mass, height, and shape, and activity influence one's weather impression. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.

Humidity

In South Roxana, the average relative humidity in June is 78%.

Rainfall

In South Roxana, during June, the rain falls for 15.1 days and regularly aggregates up to 2.76" (70mm) of precipitation. Throughout the year, in South Roxana, there are 138 rainfall days, and 23.9" (607mm) of precipitation is accumulated.

Snowfall

In South Roxana, Illinois, snow does not fall in May through October.

Daylight

With an average of 14h and 50min of daylight, June has the longest days of the year.
On the first day of the month, sunrise is at 5:36 am and sunset at 8:19 pm. On the last day of June, in South Roxana, sunrise is at 5:38 am and sunset at 8:29 pm CDT.

Sunshine

With an average of 10.4h of sunshine, June has the most sunshine of the year.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index in South Roxana, Illinois. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for the ordinary person.
Note: The average daily UV index of 6 in June transform into the following instructions:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the temperature in June in South Roxana?

The average high-temperature, in June, in South Roxana, Illinois, is 83.1°F (28.4°C), while the average low-temperature is 66.2°F (19°C). in June, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which combines relative humidity and air temperature, is evaluated at 91.4°F (33°C).

What is the average humidity in June in South Roxana?

The average relative humidity in June in South Roxana is 78%.

How much does it rain in South Roxana in June?

In South Roxana, in June, it is raining for 15.1 days, with typically 2.76" (70mm) of accumulated precipitation.

When it does not snow in South Roxana?

In South Roxana, snow does not fall in May through October.

When are the longest days in South Roxana?

June has the longest days of the year, with an average of 14h and 50min of daylight.

What is the average length of the day in June in South Roxana?

In June, the average day length is 14h and 50min.

What time are sunrise and sunset in June in South Roxana?

On the first day of June, sunrise is at 5:36 am and sunset at 8:19 pm. On the last day of the month, sunrise is at 5:38 am and sunset at 8:29 pm CDT.

What month has the most sunshine in South Roxana?

With an average of 10.4h of sunshine, June has the most sunshine of the year in South Roxana.

How many hours of sunshine does South Roxana have in June?

In South Roxana, Illinois, the average sunshine duration in June is 10.4h.

What is the month with the highest UV index in South Roxana?

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

What is the UV index intensity in June in South Roxana?

The average daily maximum UV index in June in South Roxana is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in June
South Roxana, IL

Average temperature in June - South Roxana, IL
  • Average high temperature in June: 83.1°F

The warmest month (with the highest average high temperature) is July (85.3°F).
The month with the lowest average high temperature is January (36.1°F).

  • Average low temperature in June: 66.2°F

The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).

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Average pressure in June
South Roxana, IL

Average pressure in June - South Roxana, IL
  • Average pressure in June: 29.92"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

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Average wind speed in June
South Roxana, IL

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

The windiest months (with the highest average wind speed) are January and February (9.6mph).
The calmest month (with the lowest average wind speed) is July (5.7mph).

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Average humidity in June
South Roxana, IL

Average humidity in June - South Roxana, IL
  • Average humidity in June: 78%

The month with the highest relative humidity is July (80%).
The month with the lowest relative humidity is October (71%).

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Average rainfall in June
South Roxana, IL

Average rainfall in June - South Roxana, IL
  • Average rainfall in June: 2.76"

The wettest month (with the highest rainfall) is May (3.07").
The driest month (with the least rainfall) is February (1.14").

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Average rainfall days in June
South Roxana, IL

Average rainfall days in June - South Roxana, IL
  • Average rainfall days in June: 15.1 days

The month with the highest number of rainy days is May (16.6 days).
The month with the least rainy days is January (5.6 days).

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Average snowfall in June
South Roxana, IL

Average snowfall in June - South Roxana, IL
  • Average snowfall in June: 0"

The month with the highest snowfall is February (1.61").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in June
South Roxana, IL

Average snowfall days in June - South Roxana, IL
  • Average snowfall days in June: 0 days

The month with the highest number of snowfall days is January (6 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
South Roxana, IL

Average daylight in June / Average sunshine in June - South Roxana, IL
  • Average daylight in June: 14h and 50min

The month with the longest days is June (Average daylight: 14h and 50min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in June: 10h and 24min

The month with the most sunshine is June (Average sunshine: 10h and 24min).
The months with the least sunshine are January and February (Average sunshine: 4h and 30min).

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Average sunshine days in June
South Roxana, IL

Average sunshine days in June - South Roxana, IL
  • Average sunshine days in June: 12.5 days

The month with the most sunshine days is December (20.4 days).
The month with the least sunshine days is July (12.3 days).

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Average UV index in June
South Roxana, IL

Average UV index in June - South Roxana, 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, November and December (UV index 2).

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Average cloud cover in June
South Roxana, IL

Average cloud cover in June - South Roxana, IL
  • Average cloud cover in June: 29

The month with the most cloud cover is January (Cloud cover 51).
The months with the least cloud cover are June, July and August (Cloud cover 29).

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Average visibility in June
South Roxana, IL

Average visibility in June - South Roxana, 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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