June weather forecastBelleville, IL
June
Weather in June
June marks the onset of the summer season in Belleville with temperatures taking a decisive turn toward warmth. A consistent increase in sunlight hours implies a full awakening of nature's bounty. Belleville radiates beneath the summer sun, offering longer daylight hours and excellent visibility for outdoor enthusiasts. The decrease in cloud cover enhances the quintessential summer charm, inviting locals and visitors to revel in the warmth of the season. An elaborate display of vibrant foliage deepens the visual appeal of Belleville during this sunny time.Temperature
The onset of June marks a slight increase in the average high-temperature, moving from a moderately hot 74.8°F (23.8°C) in May to a still warm 83.7°F (28.7°C). The month of June records an average low-temperature of 66.6°F (19.2°C).Heat index
For June, the heat index is computed to be a tropical 91.4°F (33°C). Apply extra caution, heat cramps and heat exhaustion could happen. Heatstroke might occur with long-duration activity.Always consider that heat index estimations are for light winds and places in the shade. The heat index has the potential to rise by 15 Fahrenheit (8 Celsius) degrees with direct sunshine exposure.
Note: The heat index, also known as 'felt air 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. It is noteworthy to mention that direct sunlight exposure can augment the felt temperature, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Youngsters frequently overlook the need for breaks and fluid intake. Thirst is an advanced sign of dehydration - thereby highlighting the importance of keeping hydrated, particularly during long physical activities.
Humidity
In June, the average relative humidity is 77%.Rainfall
In June, the rain falls for 14.8 days. Throughout June, 3.98" (101mm) of precipitation is accumulated. Throughout the year, there are 147.1 rainfall days, and 35.43" (900mm) of precipitation is accumulated.Snowfall
In Belleville, snow does not fall in April through October.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 5:37 am and sunset at 8:18 pm. On the last day of June, in Belleville, sunrise is at 5:39 am and sunset at 8:28 pm CDT.
Sunshine
The month with the most sunshine is June, with an average of 10.3h of sunshine.UV index
May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: In June, the maximum UV index of 6 transforms into these recommendations:
Resist extreme sun exposure. Guarding against solar damage is essential. It's important to stay in the shade and limit exposure to the sun from 10 a.m. to 4 p.m., when UV radiation is most intense, although remember that shade structures may not provide full sun protection. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in June
Belleville, IL
- Average high temperature in June: 83.7°F
The warmest month (with the highest average high temperature) is July (85.8°F).
The month with the lowest average high temperature is January (37.8°F).
- Average low temperature in June: 66.6°F
The month with the highest average low temperature is July (68.4°F).
The coldest month (with the lowest average low temperature) is January (24.8°F).
Average pressure in June
Belleville, 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
Belleville, IL
- Average wind speed in June: 6.6mph
The windiest month (with the highest average wind speed) is January (9.4mph).
The calmest month (with the lowest average wind speed) is July (5.6mph).
Average humidity in June
Belleville, IL
- Average humidity in June: 77%
The months with the highest relative humidity are May and July (79%).
The month with the lowest relative humidity is October (71%).
Average rainfall in June
Belleville, IL
- Average rainfall in June: 3.98"
The wettest month (with the highest rainfall) is May (4.37").
The driest month (with the least rainfall) is February (1.93").
Average rainfall days in June
Belleville, IL
- Average rainfall days in June: 14.8 days
The month with the highest number of rainy days is May (16.4 days).
The month with the least rainy days is January (6.8 days).
Average snowfall in June
Belleville, IL
- Average snowfall in June: 0"
The month with the highest snowfall is January (2.4").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in June
Belleville, IL
- Average snowfall days in June: 0 days
The month with the highest number of snowfall days is January (7.3 days).
The months with the least snowfall days are May, June, July and August (0 days).
Average daylight in June /
Average sunshine in June
Belleville, 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 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 30min).
Average sunshine days in June
Belleville, IL
- Average sunshine days in June: 13.3 days
The month with the most sunshine days is October (18.3 days).
The month with the least sunshine days is May (12.3 days).
Average UV index in June
Belleville, 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 and December (UV index 2).
Average cloud cover in June
Belleville, IL
- Average cloud cover in June: 29
The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is June (Cloud cover 29).
Average visibility in June
Belleville, 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).
