June weather forecastDowners Grove, IL
June
Weather in June
June kicks off the summer season in Downers Grove with an unprecedented increase in temperature from May. This month sees trendy weather patterns, showing characteristics such as the longest daylight hours of the year at 15.2 hours. With the shift in season, rainfall patterns become less predictable. Despite the dominating sun, June also introduces an elevated humidity level, adding a sticky edge to the hot weather. The city's visibility remains good throughout, allowing residents to fully enjoy the most vibrant month of the year.Temperature
The beginning of June marks a shift in the average high-temperature, moving from May's pleasant 68.9°F (20.5°C) to a moderately hot 78.3°F (25.7°C). In the month of June, Downers Grove's average low-temperature falls to an enjoyable 61.7°F (16.5°C).Humidity
In Downers Grove, the average relative humidity in June is 76%.Rainfall
In June, the rain falls for 14.3 days. Throughout June, 1.61" (41mm) of precipitation is accumulated. Throughout the year, there are 118.5 rainfall days, and 13.74" (349mm) of precipitation is accumulated.Snowfall
May through September are months without snowfall.Daylight
With an average of 15h and 12min of daylight, June has the longest days of the year.On the first day of the month, sunrise is at 5:19 am and sunset at 8:20 pm. On the last day of June, sunrise is at 5:20 am and sunset at 8:30 pm CDT.
Sunshine
The average sunshine in June is 9.6h.UV index
The months with the highest UV index are June 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 ordinary individuals.Note: In June, a regular UV index of 6 translates into these guidelines:
Fend off overexposure. Sun protection is vital. Between 10 a.m. and 4 p.m., UV radiation is strongest. Make an effort to avoid direct sunlight during this time, remembering that shade structures may not provide full 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
Downers Grove, IL
- Average high temperature in June: 78.3°F
The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (28.8°F).
- Average low temperature in June: 61.7°F
The month with the highest average low temperature is July (66.4°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).
Average pressure in June
Downers Grove, IL
- Average pressure in June: 29.92"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in June
Downers Grove, IL
- Average wind speed in June: 7.1mph
The windiest month (with the highest average wind speed) is January (9.7mph).
The calmest month (with the lowest average wind speed) is August (6.1mph).
Average humidity in June
Downers Grove, IL
- Average humidity in June: 76%
The months with the highest relative humidity are January and February (82%).
The month with the lowest relative humidity is October (72%).
Average rainfall in June
Downers Grove, IL
- Average rainfall in June: 1.61"
The wettest month (with the highest rainfall) is May (1.97").
The driest month (with the least rainfall) is December (0.63").
Average rainfall days in June
Downers Grove, IL
- Average rainfall days in June: 14.3 days
The month with the highest number of rainy days is May (14.9 days).
The month with the least rainy days is February (4.2 days).
Average snowfall in June
Downers Grove, IL
- Average snowfall in June: 0"
The month with the highest snowfall is February (2.28").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in June
Downers Grove, IL
- Average snowfall days in June: 0 days
The month with the highest number of snowfall days is January (9.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in June /
Average sunshine in June
Downers Grove, IL
- Average daylight in June: 15h and 12min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in June: 9h and 36min
The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in June
Downers Grove, IL
- Average sunshine days in June: 12.3 days
The month with the most sunshine days is December (20.7 days).
The month with the least sunshine days is July (11.8 days).
Average UV index in June
Downers Grove, IL
- Average UV index in June: 6
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in June
Downers Grove, IL
- Average cloud cover in June: 35
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in June
Downers Grove, 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).
