July weather forecast
Coal City, IL

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Weather in July

July, like June, in Coal City, Illinois, is another warm summer month, with an average temperature ranging between min 64.6°F (18.1°C) and max 81.1°F (27.3°C).

Temperature

Coal City's July weather, with an average high temperature of 81.1°F (27.3°C) and an average low temperature of 64.6°F (18.1°C), tends to be the warmest of the year.

Heat index

The average heat index in July is evaluated at a hot 87.8°F (31°C). If one continues to be active during exposure, it might cause tiredness and subsequent heat cramps.
It is noted that heat index values are ascertained for locations in the shade and with gentle breezes. In the presence of direct sunshine, the heat index could be augmented by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is an indicator that blends the effects of temperature and humidity to depict perceived warmth. The individual's temperature perception can be influenced by numerous factors such as metabolic variations, physical activity, and clothing. In the direct sunlight, the weather's impact can be amplified, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. 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.

Humidity

With an average relative humidity of 84%, July is the most humid month.

Rainfall

In July, the rain falls for 19 days. Throughout July, 3.58" (91mm) of precipitation is accumulated. Throughout the year, there are 160.4 rainfall days, and 33.5" (851mm) of precipitation is accumulated.

Snowfall

May through September are months without snowfall in Coal City.

Daylight

In July, the average length of the day is 14h and 49min.
On the first day of the month, sunrise is at 5:24 am and sunset at 8:30 pm. On the last day of July, sunrise is at 5:48 am and sunset at 8:10 pm CDT.

Sunshine

The months with the most sunshine in Coal City are June through August, with an average of 9.8h of sunshine.

UV index

The months with the highest UV index are June and July, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The maximum UV index of 6 during July translates into these guidelines:
Eschew overexposure. Those with light skin may suffer burns in fewer than 20 minutes. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is at its strongest, and remember that parasols or canopies do not offer full protection. Tightly woven clothing, when worn loosely, shields effectively against the Sun.

Frequently asked questions

What time of the year is the hottest in Coal City?

July is the month when Coal City's temperatures reach their peak, with averages of 81.1°F (27.3°C) and lows of 64.6°F (18.1°C).

What are July temperatures?

The high-temperature, in July, in Coal City, records 81.1°F (27.3°C), while the low-temperature is 64.6°F (18.1°C). In July, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which combines air temperature and relative humidity, is evaluated at 87.8°F (31°C).

What is the most humid month?

The most humid month is July, with an average relative humidity of 84%.

What is the average humidity in July?

In July, the average relative humidity is 84%.

How many days does it rain in July?

In July, the rain falls for 19 days. Throughout July, 3.58" (91mm) of precipitation is accumulated.

When it does not snow?

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

How many hours of daylight does Coal City have in July?

In July, the average day length is 14h and 49min.

What time are sunrise and sunset in July?

In July, on the first day of the month, sunrise is at 5:24 am and sunset at 8:30 pm. On the last day of the month, sunrise is at 5:48 am and sunset at 8:10 pm CDT.

What are the months with the most sunshine?

The months with the most sunshine are June through August, with an average of 9.8h of sunshine.

How long on average sun shines in July?

In July, the average sunshine duration is 9.8h.

When is the highest UV index?

The months with the highest UV index are June and July, with an average maximum UV index of 6.

What is the UV index intensity in July?

In Coal City, the average daily maximum UV index in July is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to Sun's UV rays.
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
Coal City, IL

Average temperature in July - Coal City, IL
  • Average high temperature in July: 81.1°F

The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (29.7°F).

  • Average low temperature in July: 64.6°F

The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (17.8°F).

Average pressure in July
Coal City, IL

Average pressure in July - Coal City, IL
  • Average pressure in July: 29.97"Hg

The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

Average wind speed in July
Coal City, IL

Average wind speed in July - Coal City, IL
  • Average wind speed in July: 6.2mph

The windiest months (with the highest average wind speed) are January and April (9.9mph).
The calmest month (with the lowest average wind speed) is August (6mph).

Average humidity in July
Coal City, IL

Average humidity in July - Coal City, IL
  • Average humidity in July: 84%

The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (72%).

Average rainfall in July
Coal City, IL

Average rainfall in July - Coal City, IL
  • Average rainfall in July: 3.58"

The wettest month (with the highest rainfall) is May (4.57").
The driest months (with the least rainfall) are February and November (1.69").

Average rainfall days in July
Coal City, IL

Average rainfall days in July - Coal City, IL
  • Average rainfall days in July: 19 days

The month with the highest number of rainy days is May (19.2 days).
The month with the least rainy days is January (5.8 days).

Average snowfall in July
Coal City, IL

Average snowfall in July - Coal City, IL
  • Average snowfall in July: 0"

The month with the highest snowfall is February (4.29").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in July
Coal City, IL

Average snowfall days in July - Coal City, IL
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is January (10.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in July /
Average sunshine in July
Coal City, IL

Average daylight in July / Average sunshine in July - Coal City, IL
  • Average daylight in July: 14h and 5min

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 18min).

  • Average sunshine in July: 9h and 5min

The months with the most sunshine are June, July and August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).

Average sunshine days in July
Coal City, IL

Average sunshine days in July - Coal City, IL
  • Average sunshine days in July: 8.6 days

The month with the most sunshine days is November (17.2 days).
The month with the least sunshine days is July (8.6 days).

Average UV index in July
Coal City, IL

Average UV index in July - Coal City, IL
  • Average UV index in July: 6

The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in July
Coal City, IL

Average cloud cover in July - Coal City, IL
  • Average cloud cover in July: 34

The month with the most cloud cover is January (Cloud cover 60).
The months with the least cloud cover are August and September (Cloud cover 33).

Average visibility in July
Coal City, IL

Average visibility in July - Coal City, IL
  • Average visibility in July: 5mi

The months with the highest visibility are January, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are February, July and August (5mi).

Coal City, Illinois, USA

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