June weather forecastOreana, IL
June
Weather in June
The first month of the summer, June, is a moderately hot month in Oreana, Illinois, with an average temperature ranging between max 80.6°F (27°C) and min 64°F (17.8°C).Temperature
June comes with a subtle rise, with the average high-temperature adjusting from a pleasant 72.9°F (22.7°C) in May to a moderately hot 80.6°F (27°C). Oreana in June anticipates an average nighttime temperature of 64°F (17.8°C).Heat index
The heat index value during June is computed to be a tropical 86°F (30°C). Extended exposure and activity might lead to tiredness, potentially resulting in heat cramps.Be informed that the heat index values are oriented around shady conditions and gentle breezes. Facing direct sunlight may hike up the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', marries air temperature and humidity to produce a value illustrating perceived warmth. An individual's temperature experience can be influenced by extra factors, including metabolic differences, activity levels, and clothing. Direct exposure to sun rays can potentially augment the heat sensation, elevating the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Young ones are generally more prone to risk than adults due to their reduced ability to sweat. Their large skin surface area relative to their diminutive bodies and elevated heat production from their activities further enhance this risk.
Humidity
In Oreana, Illinois, the average relative humidity in June is 80%.Rainfall
In Oreana, in June, during 13.7 rainfall days, 1.93" (49mm) of precipitation is typically accumulated. In Oreana, during the entire year, the rain falls for 130.2 days and collects up to 16.34" (415mm) of precipitation.Snowfall
In Oreana, snow does not fall in May through October.Daylight
June has the longest days of the year, with an average of 15h and 0min of daylight.On the first day of June, sunrise is at 5:28 am and sunset at 8:18 pm. On the last day of the month, sunrise is at 5:30 am and sunset at 8:28 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 June through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for the average person.Note: During June, 6 as the daily maximum UV index converts into the following advice:
Sidestep overexposure. Individuals with fair complexions risk burning in fewer than 20 minutes. UV radiation from the sun is at its strongest between 10 a.m. and 4 p.m. Try to limit direct exposure during these hours. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in June
Oreana, IL
- Average high temperature in June: 80.6°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (32.9°F).
- Average low temperature in June: 64°F
The month with the highest average low temperature is July (65.7°F).
The coldest month (with the lowest average low temperature) is January (21.2°F).
Average pressure in June
Oreana, IL
- Average pressure in June: 29.92"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in June
Oreana, IL
- Average wind speed in June: 7.5mph
The windiest month (with the highest average wind speed) is January (10.7mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).
Average humidity in June
Oreana, IL
- Average humidity in June: 80%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (70%).
Average rainfall in June
Oreana, IL
- Average rainfall in June: 1.93"
The wettest month (with the highest rainfall) is May (2.01").
The driest months (with the least rainfall) are February and December (0.87").
Average rainfall days in June
Oreana, IL
- Average rainfall days in June: 13.7 days
The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is February (5.8 days).
Average snowfall in June
Oreana, IL
- Average snowfall in June: 0"
The month with the highest snowfall is January (1.85").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in June
Oreana, IL
- Average snowfall days in June: 0 days
The month with the highest number of snowfall days is January (7.2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in June /
Average sunshine in June
Oreana, IL
- Average daylight in June: 15h and 0min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in June: 10h and 24min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in June
Oreana, IL
- Average sunshine days in June: 13 days
The month with the most sunshine days is October (19.8 days).
The month with the least sunshine days is May (11.5 days).
Average UV index in June
Oreana, IL
- Average UV index in June: 6
The months with the highest UV index are 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
Oreana, IL
- Average cloud cover in June: 30
The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is September (Cloud cover 29).
Average visibility in June
Oreana, IL
- Average visibility in June: 6mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).





