July weather forecast
Flat Rock, IL

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Weather in July

July, the same as June, is another warm summer month in Flat Rock, Illinois, with an average temperature varying between 83.8°F (28.8°C) and 66.9°F (19.4°C).

Temperature

Flat Rock's July weather reaches an average high of 83.8°F (28.8°C) and an average low of 66.9°F (19.4°C), making it the warmest month.

Heat index

The heat index in July is computed to be a hot 93.2°F (34°C). Undertake special precautions, the probability of heat exhaustion and heat cramps is high. Prolonged activity may provoke heatstroke.
Remember that heat index calculations are made for conditions in the shade with light wind. The heat index has the potential to rise by 15 Fahrenheit (8 Celsius) degrees with direct sunshine exposure.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. The impression of weather on a person can be swayed by additional aspects, including metabolic variations, pregnancy, and activity levels. Do note, being directly under sun rays can amplify the heat you feel, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Youngsters often neglect the necessity for rest and hydration. Thirst is a sign of advancing dehydration - thus the importance of maintaining hydration, specifically during long-lasting physical activities.

Humidity

The most humid month in Flat Rock is July, with an average relative humidity of 81%.

Rainfall

In Flat Rock, in July, it is raining for 18.8 days, with typically 3.43" (87mm) of accumulated precipitation. In Flat Rock, during the entire year, the rain falls for 162.4 days and collects up to 36.85" (936mm) of precipitation.

Snowfall

May through October are months without snowfall in Flat Rock, Illinois.

Daylight

In July, the average length of the day in Flat Rock is 14h and 35min.
On the first day of July, sunrise is at 5:29 am and sunset at 8:20 pm. On the last day of the month, sunrise is at 5:51 am and sunset at 8:02 pm CDT.

Sunshine

In July, the average sunshine is 10.1h.

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for the average person.
Note: A maximum high UV index of 6 in July translates into the following recommendations:
Resist overexposure. Safeguarding from solar damage is indispensable. Stay in the shade and limit direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is particularly strong. Remember, however, that shade structures may not provide complete protection. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
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Frequently asked questions

What time of the year is the hottest in Flat Rock?

The warmest temperatures in Flat Rock, Illinois, occur during July, when averages reach a peak of 83.8°F (28.8°C) and a low of 66.9°F (19.4°C).

How hot does it get in Flat Rock in July?

In Flat Rock, 83.8°F (28.8°C) is the average high-temperature and 66.9°F (19.4°C) is the average low-temperature during July. The average heat index (a.k.a. 'feels like', 'apparent temperature'), which represents the influence of relative humidity on air temperature, in July is computed to be 93.2°F (34°C).

What is the most humid month in Flat Rock?

With an average relative humidity of 81%, July is the most humid month in Flat Rock.

What is the average humidity in July in Flat Rock?

In July, the average relative humidity in Flat Rock, Illinois, is 81%.

How much does it rain in Flat Rock in July?

In Flat Rock, in July, it is raining for 18.8 days, with typically 3.43" (87mm) of accumulated precipitation.

When it does not snow in Flat Rock?

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

How many hours of daylight does Flat Rock have in July?

The average day length in July is 14h and 35min.

What time are sunrise and sunset in July in Flat Rock?

On the first day of July, sunrise is at 5:29 am and sunset at 8:20 pm. On the last day of the month, sunrise is at 5:51 am and sunset at 8:02 pm CDT.

How long on average sun shines in July in Flat Rock?

In July, the average sunshine duration is 10.1h.

What are the months with the highest UV index in Flat Rock?

The months with the highest UV index in Flat Rock, Illinois, are June through August, with an average maximum UV index of 6.

What is the UV index intensity in July in Flat Rock?

In July, the average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes a high hazard to health 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
Flat Rock, IL

Average temperature in July - Flat Rock, IL
  • Average high temperature in July: 83.8°F

The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (36.1°F).

  • Average low temperature in July: 66.9°F

The month with the highest average low temperature is July (66.9°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).

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Average pressure in July
Flat Rock, IL

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

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in July
Flat Rock, IL

Average wind speed in July - Flat Rock, IL
  • Average wind speed in July: 5.9mph

The windiest months (with the highest average wind speed) are January and February (10mph).
The calmest months (with the lowest average wind speed) are July and August (5.9mph).

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Average humidity in July
Flat Rock, IL

Average humidity in July - Flat Rock, IL
  • Average humidity in July: 81%

The month with the highest relative humidity is July (81%).
The month with the lowest relative humidity is October (71%).

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Average rainfall in July
Flat Rock, IL

Average rainfall in July - Flat Rock, IL
  • Average rainfall in July: 3.43"

The wettest month (with the highest rainfall) is April (5.2").
The driest month (with the least rainfall) is September (1.89").

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Average rainfall days in July
Flat Rock, IL

Average rainfall days in July - Flat Rock, IL
  • Average rainfall days in July: 18.8 days

The month with the highest number of rainy days is May (19.8 days).
The month with the least rainy days is January (8.4 days).

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Average snowfall in July
Flat Rock, IL

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

The month with the highest snowfall is January (2.32").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in July
Flat Rock, IL

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

The month with the highest number of snowfall days is January (6.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight in July /
Average sunshine in July
Flat Rock, IL

Average daylight in July / Average sunshine in July - Flat Rock, IL
  • Average daylight in July: 14h and 4min

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in July: 10h and 1min

The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).

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Average sunshine days in July
Flat Rock, IL

Average sunshine days in July - Flat Rock, IL
  • Average sunshine days in July: 9.8 days

The month with the most sunshine days is November (18 days).
The month with the least sunshine days is May (9.7 days).

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Average UV index in July
Flat Rock, IL

Average UV index in July - Flat Rock, IL
  • Average UV index in July: 6

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in July
Flat Rock, IL

Average cloud cover in July - Flat Rock, IL
  • Average cloud cover in July: 31

The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 29).

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Average visibility in July
Flat Rock, IL

Average visibility in July - Flat 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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Flat Rock, Illinois, USA

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