July weather forecastRound Lake, IL

July

Weather in July

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

Temperature

During the warmest month, July, temperatures average a high of 79.9°F (26.6°C) and a low of 64.4°F (18°C).

Humidity

The average relative humidity in July is 80%.

Rainfall

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

Snowfall

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

Daylight

In July, the average length of the day in Round Lake is 14h and 55min.
On the first day of July, sunrise is at 5:19 am and sunset at 8:33 pm. On the last day of the month, sunrise is at 5:44 am and sunset at 8:12 pm CDT.

Sunshine

In July, the average sunshine 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 reading of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: The maximum daily UV index, 6 in July, converts into the following recommendations:
Ward off overexposure. Defence against solar harm is crucial. 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. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
Updated: Aug 24, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

July tends to be the warmest month in Round Lake, with temperatures averaging a daily high of 79.9°F (26.6°C) and a low of 64.4°F (18°C).

The average high-temperature and low-temperature during July are 79.9°F (26.6°C) and 64.4°F (18°C) respectively.

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

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

June through September are months without snowfall.

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

On the first day of July, sunrise is at 5:19 am and sunset at 8:33 pm. On the last day of the month, sunrise is at 5:44 am and sunset at 8:12 pm CDT.

In July, the average sunshine duration is 10.1h.

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

In July, the average daily maximum UV index is 6. A UV Index estimate of 6 to 7 represents a high health threat from exposure to the Sun's UV radiation.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in July
Round Lake, 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, 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, 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, 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, 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, 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, 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, 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, IL

  • Average daylight in July: 14h and 54min

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 6min

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, 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, 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, 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, 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).