June weather forecastRock City, IL
June
Weather in June
The first month of the summer, June, is a warm month in Rock City, Illinois, with an average temperature fluctuating between 59.5°F (15.3°C) and 76.6°F (24.8°C).Temperature
The beginning of June marks a minor shift in the average high-temperature, moving from May's pleasant 68°F (20°C) to a warm 76.6°F (24.8°C). Nighttime temperatures in June average to a moderate 59.5°F (15.3°C).Humidity
The average relative humidity in June is 83%.Rainfall
June is the month with the most rainfall. Rain falls for 16.8 days and accumulates 2.87" (73mm) of precipitation.Snowfall
In Rock City, snow does not fall in May through September.Daylight
The month with the longest days is June, with an average of 15h and 12min of daylight.On the first day of June, sunrise is at 5:22 am and sunset at 8:28 pm. On the last day of the month, sunrise is at 5:24 am and sunset at 8:38 pm CDT.
Sunshine
In June, the average sunshine in Rock City is 9.5h.UV index
May through August, with an average maximum UV index of 5, are months with the highest UV index. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: In June, an average UV index of 5 transforms into the following instructions:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in June
Rock City, IL
- Average high temperature in June: 76.6°F
The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (25.2°F).
- Average low temperature in June: 59.5°F
The month with the highest average low temperature is July (62.8°F).
The coldest month (with the lowest average low temperature) is January (13.1°F).
Average pressure in June
Rock City, IL
- Average pressure in June: 29.91"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in June
Rock City, IL
- Average wind speed in June: 7.5mph
The windiest month (with the highest average wind speed) is April (10.3mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity in June
Rock City, IL
- Average humidity in June: 83%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is October (75%).
Average rainfall in June
Rock City, IL
- Average rainfall in June: 2.87"
The wettest month (with the highest rainfall) is June (2.87").
The driest month (with the least rainfall) is December (0.83").
Average rainfall days in June
Rock City, IL
- Average rainfall days in June: 16.8 days
The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is January (4.9 days).
Average snowfall in June
Rock City, IL
- Average snowfall in June: 0"
The month with the highest snowfall is January (2.99").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in June
Rock City, IL
- Average snowfall days in June: 0 days
The month with the highest number of snowfall days is January (11.3 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
Rock City, 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 6min).
- Average sunshine in June: 9h and 30min
The months with the most sunshine are July and August (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in June
Rock City, IL
- Average sunshine days in June: 10.5 days
The month with the most sunshine days is November (17.7 days).
The month with the least sunshine days is June (10.5 days).
Average UV index in June
Rock City, IL
- Average UV index in June: 5
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in June
Rock City, IL
- Average cloud cover in June: 36
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is September (Cloud cover 32).
Average visibility in June
Rock City, IL
- Average visibility in June: 6mi
The months with the highest visibility are March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, February, July and August (5mi).





