Contents
- Weather in June
- Frequently asked questions
- Average temperature in June
- Average pressure in June
- Average wind speed in June
- Average humidity in June
- Average rainfall in June
- Average rainfall days in June
- Average snowfall in June
- Average snowfall days in June
- Average daylight in June
- Average sunshine in June
- Average sunshine days in June
- Average UV index in June
- Average cloud cover in June
- Average visibility in June
Weather in June
Temperature
In Romeoville, stepping into June brings a temperature increase, moving up from May's pleasant 69.4°F (20.8°C) to a moderately hot 78.6°F (25.9°C). Romeoville's temperature drops to an average low of 61.3°F (16.3°C) during the nights of June.Humidity
The average relative humidity in June is 78%.Rainfall
In Romeoville, in June, it is raining for 16.1 days, with typically 2.72" (69mm) of accumulated precipitation. Throughout the year, there are 145.4 rainfall days, and 22.83" (580mm) of precipitation is accumulated.Snowfall
In Romeoville, snow does not fall in June through September.Daylight
The month with the longest days is June, with an average of 15h and 6min of daylight.On the first day of June in Romeoville, sunrise is at 5:19 am and sunset at 8:20 pm. On the last day of the month, sunrise is at 5:21 am and sunset at 8:30 pm CDT.
Sunshine
The average sunshine in June is 9.7h.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 vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: In June, the UV index of 6 transforms into the following advice:
Guard oneself from overexposure. Defence against sun injury is vital. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. 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
What are the temperatures in June?
What is the average humidity in June?
How much does it rain in June?
When it does not snow?
Does it snow in June?
When are the longest days in Romeoville?
How many hours of daylight does Romeoville have in June?
When is the sunrise / sunset in June in Romeoville?
How many hours of sunshine does Romeoville have in June?
What are the months with the highest UV index?
How high is the UV index in June?
Average temperature in June
Romeoville, IL
- Average high temperature in June: 78.6°F
The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is January (28.8°F).
- Average low temperature in June: 61.3°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 (17.1°F).
Average pressure in June
Romeoville, 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
Romeoville, 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 (6mph).
Average humidity in June
Romeoville, IL
- Average humidity in June: 78%
The months with the highest relative humidity are January and February (83%).
The month with the lowest relative humidity is October (73%).
Average rainfall in June
Romeoville, IL
- Average rainfall in June: 2.72"
The wettest month (with the highest rainfall) is May (2.83").
The driest month (with the least rainfall) is December (1.06").
Average rainfall days in June
Romeoville, IL
- Average rainfall days in June: 16.1 days
The month with the highest number of rainy days is July (18.1 days).
The month with the least rainy days is February (4.9 days).
Average snowfall in June
Romeoville, IL
- Average snowfall in June: 0"
The month with the highest snowfall is January (3.11").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in June
Romeoville, IL
- Average snowfall days in June: 0 days
The month with the highest number of snowfall days is January (12.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in June /
Average sunshine in June
Romeoville, IL
- Average daylight in June: 15h and 1min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in June: 9h and 4min
The months with the most sunshine are July and August (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in June
Romeoville, IL
- Average sunshine days in June: 10.8 days
The month with the most sunshine days is November (18.4 days).
The month with the least sunshine days is July (9.3 days).
Average UV index in June
Romeoville, 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 December (UV index 1).
Average cloud cover in June
Romeoville, IL
- Average cloud cover in June: 35
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in June
Romeoville, IL
- Average visibility in June: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).
Romeoville, Illinois, USA
Weather forecast for your location
2. Allow the app to use your location