July weather forecast
Cave-In-Rock, IL

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Weather in July

July is a tropical summer month in Cave-In-Rock, Illinois, with an average temperature ranging between min 68.5°F (20.3°C) and max 86.5°F (30.3°C).

Temperature

July is the month when Cave-In-Rock experiences its warmest temperatures, averaging a high of 86.5°F (30.3°C) and a low of 68.5°F (20.3°C).

Heat index

For July, the heat index is calculated to be a torrid 100.4°F (38°C). Take extra safety measures to prevent heat exhaustion and heat cramps. Heatstroke could follow lengthy activity.
When assessing, remember that heat index measurements are for light winds and shaded spots. Direct sunlight exposure may cause a 15 Fahrenheit (8 Celsius) degrees rise in the heat index.
Note: The heat index, also known as 'real feel' or 'apparent temperature', unifies temperature and humidity readings to offer a comprehensive feel of warmth. The impact of weather is personal, differing among a variety of people based on differences in body mass, height, and the level of physical exertion. Keep aware, the sun, when shining directly, can intensify the heat experience, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Younglings frequently fail to recognize the requirement to rest and rehydrate. Thirst emerges late in dehydration - it is imperative to keep hydration levels high, particularly during extended physical exertions.
Evaporating sweat, an outcome of perspiration, is key in assisting the human body to moderate its temperature. In situations of high air temperature combined with high humidity (significant heat index), the body's ability to perspire is reduced, heightening the sense of warmth. Elevated heat gain compared to the body's release capability poses risks of dehydration and potential overheating.

Humidity

In July, the average relative humidity in Cave-In-Rock is 78%.

Rainfall

In Cave-In-Rock, during July, the rain falls for 16.3 days and regularly aggregates up to 2.32" (59mm) of precipitation. In Cave-In-Rock, Illinois, during the entire year, the rain falls for 148.8 days and collects up to 27.05" (687mm) of precipitation.

Snowfall

May through October are months without snowfall.

Daylight

In July, the average length of the day in Cave-In-Rock is 14h and 27min.
On the first day of July in Cave-In-Rock, sunrise is at 5:35 am and sunset at 8:17 pm. On the last day of the month, sunrise is at 5:56 am and sunset at 8:01 pm CDT.

Sunshine

The months with the most sunshine are June and July, with an average of 10.5h of sunshine.

UV index

The months with the highest UV index in Cave-In-Rock are May through August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: The UV index of 6 during July translates into the following guidance:
Persist with precautions and heed sun safety advice. Prevention of sunburn is compulsory. The time between 10 a.m. and 4 p.m. is when UV radiation is at its peak. Limit exposure to direct sunlight during these hours. Experience reduced UV exposure by about half when donning a wide-brim hat.
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Frequently asked questions

What month is the hottest in Cave-In-Rock?

Cave-In-Rock's temperatures peak on average in July, reaching 86.5°F (30.3°C) at their highest and 68.5°F (20.3°C) at their lowest.

How hot is July in Cave-In-Rock?

The high-temperature, in July, in Cave-In-Rock, records 86.5°F (30.3°C), while the low-temperature is 68.5°F (20.3°C). In July, the average heat index (a.k.a. 'real feel', 'feels like'), which combines air temperature and relative humidity, is calculated to be 100.4°F (38°C).

What is the average humidity in July in Cave-In-Rock?

In Cave-In-Rock, the average relative humidity in July is 78%.

How much does it rain in Cave-In-Rock in July?

In July, in Cave-In-Rock, Illinois, the rain falls for 16.3 days. Throughout July, 2.32" (59mm) of precipitation is accumulated.

When it does not snow in Cave-In-Rock?

In Cave-In-Rock, snow does not fall in May through October.

How many hours of daylight does Cave-In-Rock have in July?

In Cave-In-Rock, Illinois, the average day length in July is 14h and 27min.

When are sunrise and sunset in July in Cave-In-Rock?

On the first day of July in Cave-In-Rock, Illinois, sunrise is at 5:35 am and sunset at 8:17 pm. On the last day of the month, sunrise is at 5:56 am and sunset at 8:01 pm CDT.

What are the months with the most sunshine in Cave-In-Rock?

The months with the most sunshine are June and July, with an average of 10.5h of sunshine.

How long on average sun shines in July in Cave-In-Rock?

The average sunshine duration in July in Cave-In-Rock, Illinois, is 10.5h.

What is the month with the highest UV index in Cave-In-Rock?

The months with the highest UV index in Cave-In-Rock, Illinois, are May through August, with an average maximum UV index of 6.

How high is the UV index in July in Cave-In-Rock?

The average daily maximum UV index in July in Cave-In-Rock is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability 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 July
Cave-In-Rock, IL

Average temperature in July - Cave-In-Rock, IL
  • Average high temperature in July: 86.5°F

The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (40.5°F).

  • Average low temperature in July: 68.5°F

The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (27.5°F).

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Average pressure in July
Cave-In-Rock, IL

Average pressure in July - Cave-In-Rock, IL
  • Average pressure in July: 29.98"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

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Average wind speed in July
Cave-In-Rock, IL

Average wind speed in July - Cave-In-Rock, IL
  • Average wind speed in July: 5.7mph

The windiest month (with the highest average wind speed) is February (9.5mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).

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Average humidity in July
Cave-In-Rock, IL

Average humidity in July - Cave-In-Rock, IL
  • Average humidity in July: 78%

The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is October (71%).

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Average rainfall in July
Cave-In-Rock, IL

Average rainfall in July - Cave-In-Rock, IL
  • Average rainfall in July: 2.32"

The wettest month (with the highest rainfall) is February (3.03").
The driest month (with the least rainfall) is September (1.3").

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Average rainfall days in July
Cave-In-Rock, IL

Average rainfall days in July - Cave-In-Rock, IL
  • Average rainfall days in July: 16.3 days

The months with the highest number of rainy days are May and July (16.3 days).
The month with the least rainy days is November (8.8 days).

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Average snowfall in July
Cave-In-Rock, IL

Average snowfall in July - Cave-In-Rock, IL
  • Average snowfall in July: 0"

The month with the highest snowfall is February (1.57").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in July
Cave-In-Rock, IL

Average snowfall days in July - Cave-In-Rock, IL
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is January (4.5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in July /
Average sunshine in July
Cave-In-Rock, IL

Average daylight in July / Average sunshine in July - Cave-In-Rock, IL
  • Average daylight in July: 14h and 2min

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • Average sunshine in July: 10h and 3min

The months with the most sunshine are June and July (Average sunshine: 10h and 30min).
The months with the least sunshine are January and February (Average sunshine: 4h and 36min).

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Average sunshine days in July
Cave-In-Rock, IL

Average sunshine days in July - Cave-In-Rock, IL
  • Average sunshine days in July: 12.1 days

The month with the most sunshine days is October (20.3 days).
The month with the least sunshine days is July (12.1 days).

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Average UV index in July
Cave-In-Rock, IL

Average UV index in July - Cave-In-Rock, IL
  • Average UV index in July: 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).

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Average cloud cover in July
Cave-In-Rock, IL

Average cloud cover in July - Cave-In-Rock, IL
  • Average cloud cover in July: 29

The months with the most cloud cover are January and February (Cloud cover 51).
The months with the least cloud cover are June, August and September (Cloud cover 28).

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Average visibility in July
Cave-In-Rock, IL

Average visibility in July - Cave-In-Rock, IL
  • Average visibility in July: 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).

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Cave-In-Rock, Illinois, USA

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