June weather forecastRoxana, IL
June
Weather in June
The first month of the summer, June, is still a warm month in Roxana, Illinois, with an average temperature fluctuating between 83.1°F (28.4°C) and 66.2°F (19°C).Temperature
The shift into June is marked by a rise in the average high-temperature, moving from May's 74.1°F (23.4°C) to a still warm 83.1°F (28.4°C). Roxana's average low-temperature during June nights is observed to be a refreshing 66.2°F (19°C).Heat index
The average heat index in June is evaluated at a tropical 91.4°F (33°C). More protective measures are required - heat exhaustion and heat cramps are likely. Heatstroke may follow lengthy activity.For clarity, heat index numbers account for light winds and areas under shade. A direct sunlight exposure may boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is achieved by amalgamating air temperature with the relative humidity readings. Factors encompassing physical activity, clothing, and metabolic differences have a role in shaping the individual's impression of temperature. Taking into account that direct sunlight can boost the heat effect, the heat index may rise by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Young ones often do not realize the necessity to rest and replenish their fluids. Thirst is a delayed indication of dehydration - keeping hydrated, particularly in prolonged physical activity, is crucial.
Humidity
The average relative humidity in June in Roxana is 78%.Rainfall
In June, the rain falls for 15.1 days. Throughout June, 2.76" (70mm) of precipitation is accumulated. In Roxana, Illinois, 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 Roxana.Daylight
The month with the longest days in 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
The month with the most sunshine is June, with an average of 10.4h of sunshine.UV index
The months with the highest UV index in Roxana are May through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: The average daily UV index of 6 in June transforms into the following instructions:
Deter overexposure. Protecting against the sun's effects is essential. Avoid direct exposure to the Sun between 10 a.m. and 4 p.m., the peak period for UV radiation, noting that objects like parasols or canopies might not offer complete sun protection. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in June
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
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
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
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
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
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
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
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
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
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
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
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
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).
