July weather forecast
Richton Park, IL

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Weather in July

July, like June, in Richton Park, Illinois, is a moderately hot summer month, with an average temperature fluctuating between 65.8°F (18.8°C) and 81.3°F (27.4°C).

Temperature

The warmest time of the year is July, with temperatures averaging a high of 81.3°F (27.4°C) and a low of 65.8°F (18.8°C).

Heat index

For July, the heat index is estimated at a tropical 87.8°F (31°C). Persisting in activity during long-term exposure might induce weariness, with subsequent heat cramps.
It is worth noting that heat index values are gauged for conditions in the shade and light breezes. The heat index can potentially augment by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'feels like' or 'apparent temperature', evaluates the perceived heat by adding the effect of moisture in the air. The experience of temperature can be subjective, varying based on the individual's activity and heat perception, influenced by factors like wind, attire, and metabolic variations. Considering the impact of direct sunlight, it's possible for the heat index to surge by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Kids generally face higher risks than adults as they sweat less. Along with their large skin surface compared to their small bodies and higher heat production due to their activities, their vulnerability is increased.

Humidity

The average relative humidity in July in Richton Park is 79%.

Rainfall

In Richton Park, in July, it is raining for 17.6 days, with typically 3.31" (84mm) of accumulated precipitation. In Richton Park, Illinois, during the entire year, the rain falls for 155.6 days and collects up to 31.3" (795mm) of precipitation.

Snowfall

May through September are months without snowfall in Richton Park.

Daylight

In July, the average length of the day in Richton Park, Illinois, is 14h and 50min.
On the first day of the month, sunrise is at 5:21 am and sunset at 8:28 pm. On the last day of July, in Richton Park, sunrise is at 5:45 am and sunset at 8:08 pm CDT.

Sunshine

In Richton Park, Illinois, the average sunshine in July is 9.9h.

UV index

The months with the highest UV index in Richton Park, Illinois, are June and July, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for average individuals.
Note: A typical high UV index of 6 in July suggests the following recommendations:
Adopt measures and apply sun safety strategies. Shielding from skin and eye damage is necessary. Avoid direct Sun exposure and seek shade between 10 a.m. and 4 p.m., when UV radiation is at its peak, but keep in mind that not all shade structures provide complete protection. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What month is the hottest in Richton Park?

Richton Park's temperature records reveal July as the warmest month, marked by average highs of 81.3°F (27.4°C) and lows of 65.8°F (18.8°C).

What are July temperatures in Richton Park?

July temperatures vary between a high-temperature of 81.3°F (27.4°C) and a low-temperature of 65.8°F (18.8°C). In July, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which factors the actual air temperature with the relative humidity, is estimated at 87.8°F (31°C).

What is the average humidity in July in Richton Park?

The average relative humidity in July in Richton Park, Illinois, is 79%.

How much does it rain in Richton Park in July?

In Richton Park, Illinois, in July, it is raining for 17.6 days, with typically 3.31" (84mm) of accumulated precipitation.

When it does not snow in Richton Park?

May through September are months without snowfall.

What is the average length of the day in July in Richton Park?

The average day length in July in Richton Park, Illinois, is 14h and 50min.

When is the sunrise / sunset in July in Richton Park?

In July, on the first day of the month, sunrise is at 5:21 am and sunset at 8:28 pm. On the last day of the month, in Richton Park, Illinois, sunrise is at 5:45 am and sunset at 8:08 pm CDT.

How many hours of sunshine does Richton Park have in July?

In July, the average sunshine duration is 9.9h.

When is the highest UV index in Richton Park?

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

What is the UV index reading in July in Richton Park?

In July, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents 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
Richton Park, IL

Average temperature in July - Richton Park, IL
  • Average high temperature in July: 81.3°F

The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (29.7°F).

  • Average low temperature in July: 65.8°F

The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).

Average pressure in July
Richton Park, IL

Average pressure in July - Richton Park, IL
  • Average pressure in July: 29.97"Hg

The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

Average wind speed in July
Richton Park, IL

Average wind speed in July - Richton Park, IL
  • Average wind speed in July: 6.4mph

The windiest month (with the highest average wind speed) is January (10.2mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).

Average humidity in July
Richton Park, IL

Average humidity in July - Richton Park, IL
  • Average humidity in July: 79%

The months with the highest relative humidity are January and February (82%).
The month with the lowest relative humidity is October (73%).

Average rainfall in July
Richton Park, IL

Average rainfall in July - Richton Park, IL
  • Average rainfall in July: 3.31"

The wettest month (with the highest rainfall) is May (4.17").
The driest month (with the least rainfall) is December (1.54").

Average rainfall days in July
Richton Park, IL

Average rainfall days in July - Richton Park, IL
  • Average rainfall days in July: 17.6 days

The month with the highest number of rainy days is July (17.6 days).
The month with the least rainy days is February (6.1 days).

Average snowfall in July
Richton Park, IL

Average snowfall in July - Richton Park, IL
  • Average snowfall in July: 0"

The month with the highest snowfall is January (4.53").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in July
Richton Park, IL

Average snowfall days in July - Richton Park, IL
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is January (12.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in July /
Average sunshine in July
Richton Park, IL

Average daylight in July / Average sunshine in July - Richton Park, 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 12min).

  • Average sunshine in July: 9h and 5min

The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).

Average sunshine days in July
Richton Park, IL

Average sunshine days in July - Richton Park, IL
  • Average sunshine days in July: 11.1 days

The month with the most sunshine days is November (16.4 days).
The month with the least sunshine days is April (10.2 days).

Average UV index in July
Richton Park, IL

Average UV index in July - Richton Park, 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
Richton Park, IL

Average cloud cover in July - Richton Park, IL
  • Average cloud cover in July: 32

The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 30).

Average visibility in July
Richton Park, IL

Average visibility in July - Richton Park, IL
  • Average visibility in July: 6mi

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

Richton Park, Illinois, USA

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