June weather forecastSouth Roxana, IL
June
Weather in June
June, the first month of the summer in South Roxana, is also a moderately hot month, with an average temperature ranging between min 66.2°F (19°C) and max 83.1°F (28.4°C).Temperature
As May transitions into June, South Roxana sees a rise in the average high-temperature, moving from 74.1°F (23.4°C) to a still warm 83.1°F (28.4°C). South Roxana, during the month of June, experiences an average low-temperature of 66.2°F (19°C).Heat index
For most parts of June, the heat index is estimated at a hot 91.4°F (33°C). Adopt enhanced safety measures, heat exhaustion and heat cramps could occur. Continuous activity may induce heatstroke.Understanding the heat index involves considering values for shaded locales with light wind. Heat index values may rise by up to 15 Fahrenheit (8 Celsius) degrees when exposed to direct sunlight.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is an aggregate value of air's warmth and moisture to show the human-felt temperature. This effect tends to be personal, with the weather perception differing among individuals due to variations in body mass, height, and exertion. 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 highly critical for babies and toddlers. Younglings are generally more in peril than adults due to their reduced perspiration. Coupled with a larger skin surface relative to their tiny bodies and greater heat production because of their activity, they become more at risk.
Humidity
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. Throughout the year, in South Roxana, there are 138 rainfall days, and 23.9" (607mm) of precipitation is accumulated.Snowfall
May through October are months without snowfall.Daylight
The month with the longest days is June, with an average of 14h and 48min of daylight.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, 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
The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: A maximum daily UV index of 6 during June morphs into the following directions:
Continue precautions and advocate sun safety advice. Deterrence of sunburn is indispensable. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is particularly strong, noting that parasols or canopies may not offer total sun protection. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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).
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).
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).
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%).
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").
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).
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").
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).
Average daylight in June /
Average sunshine in June
South Roxana, IL
- Average daylight in June: 14h and 48min
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 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).
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).
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).
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).
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).
