June weather forecast
South Roxana, IL

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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 min 66.2°F (19°C) and max 83.1°F (28.4°C).

Temperature

As South Roxana welcomes June, the average high-temperature sees a rise, transitioning from 74.1°F (23.4°C) in May to a still warm 83.1°F (28.4°C). In the month of June, the nighttime temperature in South Roxana, Illinois, dips to a steady average of 66.2°F (19°C).

Heat index

In June, the average heat index is calculated to be a hot 91.4°F (33°C). Take greater precautions, heat exhaustion and heat cramps may be expected. Heatstroke could result from lengthy activity.
Be advised, the heat index considers values for conditions in shade and with a light breeze. The heat index may experience an enhancement of 15 Fahrenheit (8 Celsius) degrees under direct sunlight.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is the outcome of merging air's temperature and its humidity metrics. Elements such as metabolic variations, being pregnant, and physical activity can impact one's weather perception. It is important to note that direct sunlight can intensify the weather impact, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Youngsters generally face more threats than adults given their lesser ability to sweat. Coupled with their larger skin surface relative to their small bodies and higher heat production due to their activities, they are more endangered.

Humidity

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

Rainfall

In South Roxana, in June, it is raining for 15.1 days, with typically 2.76" (70mm) of accumulated precipitation. In South Roxana, during the entire year, the rain falls for 138 days and collects up to 23.9" (607mm) of precipitation.

Snowfall

May through October are months without snowfall in South Roxana.

Daylight

The month with the longest days in South Roxana is June, with an average of 14h and 48min of daylight.
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.

Sunshine

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

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 value of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The maximum daily UV index of 6 in June converts into the following recommendations:
Undertake protective measures and comply with sun safety rules. Shielding against skin and eye damage is essential. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is at its strongest, and remember that parasols or canopies do not offer full protection. Opt for tightly woven and loose clothing to enhance protection from the Sun.
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Frequently asked questions

How hot is June in South Roxana?

The high-temperature, in June, in South Roxana, records 83.1°F (28.4°C), while the low-temperature is 66.2°F (19°C). The average heat index (a.k.a. 'feels like', 'real feel'), which calculates the temperature value influenced by the moisture in the air, in June is calculated to be 91.4°F (33°C).

What is the average humidity in June in South Roxana?

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

How much does it rain in South Roxana in June?

In South Roxana, Illinois, in June, during 15.1 rainfall days, 2.76" (70mm) of precipitation is typically accumulated.

When it does not snow in South Roxana?

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

When are the longest days in South Roxana?

The month with the longest days is June, with an average of 14h and 48min of daylight.

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

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

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

In June, on the first day of the month, sunrise is at 5:36 am and sunset at 8:19 pm. On the last day of the month, in South Roxana, 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.

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

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

What are the months with the highest UV index in South Roxana?

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

How high is the UV index in June in South Roxana?

In June, the average daily maximum UV index in South Roxana, Illinois, is 6. A UV Index of 6 to 7 symbolizes 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
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 5min

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in June: 10h and 2min

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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South Roxana, Illinois, USA

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