July weather forecast
Round Lake Park, IL

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Weather in July

July, like June, in Round Lake Park, Illinois, is another warm summer month, with an average temperature varying between 79.9°F (26.6°C) and 64.4°F (18°C).

Temperature

July, with its high-temperature average of 79.9°F (26.6°C) and a low-temperature average of 64.4°F (18°C), is the warmest month.

Humidity

In Round Lake Park, Illinois, the average relative humidity in July is 80%.

Rainfall

In Round Lake Park, in July, it is raining for 17.5 days, with typically 2.48" (63mm) of accumulated precipitation. In Round Lake Park, during the entire year, the rain falls for 142.3 days and collects up to 21.97" (558mm) of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

In Round Lake Park, the average length of the day in July is 14h and 55min.
On the first day of July, sunrise is at 5:19 am and sunset at 8:32 pm. On the last day of the month, sunrise is at 5:44 am and sunset at 8:12 pm CDT.

Sunshine

In Round Lake Park, the average sunshine in July is 10.1h.

UV index

The months with the highest UV index are July and August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for the ordinary person.
Note: A maximum UV index of 6 in July translates into the following recommendations:
Resist overexposure. Safeguarding from solar damage is indispensable. 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. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the warmest month in Round Lake Park?

In Round Lake Park, the peak average temperatures are observed in July, with a high of 79.9°F (26.6°C) and a low of 64.4°F (18°C).

What is the usual temperature for Round Lake Park in July?

In Round Lake Park, 79.9°F (26.6°C) is the average high-temperature and 64.4°F (18°C) is the average low-temperature during July.

What is the average humidity in July in Round Lake Park?

The average relative humidity in July is 80%.

How much does it rain in Round Lake Park in July?

In Round Lake Park, in July, during 17.5 rainfall days, 2.48" (63mm) of precipitation is typically accumulated.

When it does not snow in Round Lake Park?

In Round Lake Park, Illinois, snow does not fall in June through September.

What is the average length of the day in July in Round Lake Park?

In July, the average day length is 14h and 55min.

What time are sunrise and sunset in July in Round Lake Park?

In July, on the first day of the month, sunrise is at 5:19 am and sunset at 8:32 pm. On the last day of the month, in Round Lake Park, Illinois, sunrise is at 5:44 am and sunset at 8:12 pm CDT.

How many hours of sunshine does Round Lake Park have in July?

The average sunshine duration in July in Round Lake Park, Illinois, is 10.1h.

When is the highest UV index in Round Lake Park?

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

What is the UV index reading in July in Round Lake Park?

The average daily maximum UV index in July in Round Lake Park, Illinois, is 6. A UV Index value of 6 to 7 symbolizes a high health threat 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
Round Lake Park, IL

Average temperature in July - Round Lake Park, IL
  • Average high temperature in July: 79.9°F

The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (27.5°F).

  • Average low temperature in July: 64.4°F

The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (16.5°F).

Average pressure in July
Round Lake Park, IL

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

The months with the highest atmospheric pressure are January and February (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

Average wind speed in July
Round Lake Park, IL

Average wind speed in July - Round Lake Park, IL
  • Average wind speed in July: 6.6mph

The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).

Average humidity in July
Round Lake Park, IL

Average humidity in July - Round Lake Park, IL
  • Average humidity in July: 80%

The months with the highest relative humidity are January and February (83%).
The month with the lowest relative humidity is October (74%).

Average rainfall in July
Round Lake Park, IL

Average rainfall in July - Round Lake Park, IL
  • Average rainfall in July: 2.48"

The wettest month (with the highest rainfall) is April (2.72").
The driest month (with the least rainfall) is December (0.98").

Average rainfall days in July
Round Lake Park, IL

Average rainfall days in July - Round Lake Park, IL
  • Average rainfall days in July: 17.5 days

The month with the highest number of rainy days is July (17.5 days).
The month with the least rainy days is February (5 days).

Average snowfall in July
Round Lake Park, IL

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

The month with the highest snowfall is January (3.58").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in July
Round Lake Park, IL

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

The month with the highest number of snowfall days is January (13.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in July /
Average sunshine in July
Round Lake Park, IL

Average daylight in July / Average sunshine in July - Round Lake Park, IL
  • Average daylight in July: 14h and 5min

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 July: 10h and 1min

The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).

Average sunshine days in July
Round Lake Park, IL

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

The month with the most sunshine days is November (17.1 days).
The month with the least sunshine days is May (10.8 days).

Average UV index in July
Round Lake Park, IL

Average UV index in July - Round Lake Park, IL
  • Average UV index in July: 6

The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).

Average cloud cover in July
Round Lake Park, IL

Average cloud cover in July - Round Lake Park, IL
  • Average cloud cover in July: 30

The month with the most cloud cover is January (Cloud cover 61).
The months with the least cloud cover are July, August and September (Cloud cover 30).

Average visibility in July
Round Lake Park, IL

Average visibility in July - Round Lake 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).

Round Lake Park, Illinois, USA

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