June weather forecast
Rock City, IL

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Weather in June

The first month of the summer, June, is a warm month in Rock City, Illinois, with temperature in the range of an average low of 59.5°F (15.3°C) and an average high of 76.6°F (24.8°C).

Temperature

The start of June brings a subtle shift in the average high-temperature, edging up from May's agreeable 68°F (20°C) to a warm 76.6°F (24.8°C). Nighttime temperatures in Rock City, Illinois, consistently average a mild 59.5°F (15.3°C) during June.

Humidity

The average relative humidity in June is 83%.

Rainfall

The month with the most rainfall in Rock City is June, when the rain falls for 16.8 days and typically aggregates up to 2.87" (73mm) of precipitation.

Snowfall

In Rock City, snow does not fall in May through September.

Daylight

June has the longest days of the year, with an average of 15h and 12min of daylight.
On the first day of June in Rock City, 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 Rock City, Illinois, the average sunshine in June is 9.5h.

UV index

May through August, with an average maximum UV index of 5, are months with the highest UV index in Rock City, Illinois. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the ordinary person.
Note: The UV index of 5 in June translates into these instructions:
Take measures. Individuals with light skin might experience burns in under 30 minutes. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
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Frequently asked questions

What is the average June temperature in Rock City?

In June, in Rock City, the average high-temperature is 76.6°F (24.8°C), and the average low-temperature is 59.5°F (15.3°C).

What is the average humidity in June in Rock City?

In June, the average relative humidity in Rock City is 83%.

What is the wettest month in Rock City?

The month with the most rainfall in Rock City, Illinois, is June, when the rain falls for 16.8 days and typically aggregates up to 2.87" (73mm) of precipitation.

How many days does it rain in June in Rock City?

In June, in Rock City, the rain falls for 16.8 days. Throughout June, 2.87" (73mm) of precipitation is accumulated.

When it does not snow in Rock City?

May through September are months without snowfall in Rock City, Illinois.

When are the longest days in Rock City?

The month with the longest days in Rock City is June, with an average of 15h and 12min of daylight.

How many hours of daylight does Rock City have in June?

The average day length in June in Rock City, Illinois, is 15h and 14min.

When is the sunrise / sunset in June in Rock City?

In June, on the first day of the month, sunrise is at 5:22 am and sunset at 8:28 pm. On the last day of the month, in Rock City, sunrise is at 5:24 am and sunset at 8:38 pm CDT.

How many hours of sunshine does Rock City have in June?

In Rock City, the average sunshine duration in June is 9.5h.

When is the highest UV index in Rock City?

May through August, with an average maximum UV index of 5, are months with the highest UV index in Rock City, Illinois.

How high is the UV index in June in Rock City?

In June, the average daily maximum UV index in Rock City, Illinois, is 5. A UV Index estimate of 3 to 5 represents a moderate health threat from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in June
Rock City, IL

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).

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Average pressure in June
Rock City, IL

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).

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Average wind speed in June
Rock City, IL

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).

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Average humidity in June
Rock City, IL

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%).

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Average rainfall in June
Rock City, IL

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").

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Average rainfall days in June
Rock City, IL

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).

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Average snowfall in June
Rock City, IL

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").

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Average snowfall days in June
Rock City, IL

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).

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Average daylight in June /
Average sunshine in June
Rock City, IL

Average daylight in June / Average sunshine in June - Rock City, IL
  • Average daylight in June: 15h and 1min

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 3min

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).

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Average sunshine days in June
Rock City, IL

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).

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Average UV index in June
Rock City, IL

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).

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Average cloud cover in June
Rock City, IL

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).

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Average visibility in June
Rock City, IL

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).

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Rock City, Illinois, USA

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