June weather forecastBluffs, IL
June
Weather in June
June, the first month of the summer in Bluffs, is a moderately hot month, with temperature in the range of an average low of 64.4°F (18°C) and an average high of 81.9°F (27.7°C).Temperature
A gentle upsurge in temperatures occurs as May gives way to June, with average highs shifting from a pleasant 73°F (22.8°C) to a moderately hot 81.9°F (27.7°C). Bluffs's average low-temperature during June nights is observed to be a refreshing 64.4°F (18°C).Heat index
In June, the average heat index is computed to be a tropical 87.8°F (31°C). When exposure and activity are sustained, they could induce fatigue, with a chance of heat cramps.Heat index guidelines indicate values are for light wind scenarios and shaded regions. With exposure to direct sunshine, the heat index could climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is a measure of how hot it feels when the actual air humidity is factored in. A person's impression of weather can be shaped by many aspects, among them metabolic variations, pregnancy, and levels of physical activity. It is essential to be conscious of the fact that direct sunlight can intensify the felt heat, leading to an elevation in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Kids are usually more vulnerable than adults, given their lesser sweating ability. Along with their larger skin surface relative to their small stature and the excess heat due to their activity, their risk is amplified.
Humidity
In Bluffs, the average relative humidity in June is 80%.Rainfall
In June, the rain falls for 17 days. Throughout June, 3.9" (99mm) of precipitation is accumulated. Throughout the year, there are 155.4 rainfall days, and 31.69" (805mm) of precipitation is accumulated.Snowfall
In Bluffs, Illinois, snow does not fall in May through September.Daylight
The month with the longest days is June, with an average of 14h and 54min of daylight.On the first day of the month, sunrise is at 5:35 am and sunset at 8:24 pm. On the last day of June, in Bluffs, sunrise is at 5:37 am and sunset at 8:34 pm CDT.
Sunshine
With an average of 10.3h of sunshine, June has the most sunshine of the year in Bluffs.UV index
June through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for the average person.Note: A maximum high daily UV index of 6 during June translates into the following directions:
Deter overexposure. Protecting against the sun's effects is essential. Between 10 a.m. and 4 p.m., the Sun's UV radiation is at its peak. Limit your exposure to direct sunlight during these hours. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in June
Bluffs, IL
- Average high temperature in June: 81.9°F
The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (33.8°F).
- Average low temperature in June: 64.4°F
The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).
Average pressure in June
Bluffs, IL
- Average pressure in June: 29.91"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in June
Bluffs, IL
- Average wind speed in June: 7mph
The windiest months (with the highest average wind speed) are January and April (9.9mph).
The calmest month (with the lowest average wind speed) is July (6mph).
Average humidity in June
Bluffs, IL
- Average humidity in June: 80%
The month with the highest relative humidity is July (82%).
The month with the lowest relative humidity is October (71%).
Average rainfall in June
Bluffs, IL
- Average rainfall in June: 3.9"
The wettest month (with the highest rainfall) is May (4.02").
The driest months (with the least rainfall) are January, February and December (1.73").
Average rainfall days in June
Bluffs, IL
- Average rainfall days in June: 17 days
The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is February (7.2 days).
Average snowfall in June
Bluffs, IL
- Average snowfall in June: 0"
The month with the highest snowfall is January (3.46").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in June
Bluffs, IL
- Average snowfall days in June: 0 days
The month with the highest number of snowfall days is January (9.8 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
Bluffs, IL
- Average daylight in June: 14h and 54min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in June: 10h and 18min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days in June
Bluffs, IL
- Average sunshine days in June: 8.6 days
The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is June (8.6 days).
Average UV index in June
Bluffs, 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
Bluffs, IL
- Average cloud cover in June: 30
The month with the most cloud cover is January (Cloud cover 52).
The months with the least cloud cover are June, July, August and September (Cloud cover 30).
Average visibility in June
Bluffs, IL
- Average visibility in June: 6mi
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (6mi).
The month with the lowest visibility is July (5mi).





