July weather forecast
Round Lake, IL

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Weather in July

July, the same as June, is a moderately hot summer month in Round Lake, Illinois, with an average temperature varying between 79.9°F (26.6°C) and 64.4°F (18°C).

Temperature

The temperatures reach their highest averages in July, with highs of 79.9°F (26.6°C) and lows of 64.4°F (18°C).

Humidity

The average relative humidity in July is 80%.

Rainfall

In Round Lake, in July, during 17.5 rainfall days, 2.48" (63mm) of precipitation is typically 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, Illinois, snow does not fall in June through September.

Daylight

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

Sunshine

The average sunshine in July in Round Lake is 10.1h.

UV index

The months with the highest UV index in Round Lake are July and August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for ordinary individuals.
Note: The UV index of 6 during July leads to these advisories:
Adhere to precautions and respect sun safety doctrines. Avoiding sunburn is vital. The Sun's UV radiation is most potent between 10 a.m. and 4 p.m. Try to limit direct exposure to the Sun during this period. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
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Frequently asked questions

What are the warmest months in Round Lake?

July, known for its average high temperature of 79.9°F (26.6°C) and an average low temperature of 64.4°F (18°C), is the warmest month in Round Lake.

What are the temperatures in Round Lake in July?

In Round Lake, 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?

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

How much does it rain in Round Lake in July?

In July, the rain falls for 17.5 days. Throughout July, 2.48" (63mm) of precipitation is accumulated.

When it does not snow in Round Lake?

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

How many hours of daylight does Round Lake have in July?

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

When is the sunrise / sunset in July in Round Lake?

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

How long on average sun shines in July in Round Lake?

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

What are the months with the highest UV index in Round Lake?

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

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

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

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).

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Average pressure in July
Round Lake, IL

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).

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Average wind speed in July
Round Lake, IL

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).

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Average humidity in July
Round Lake, IL

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%).

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Average rainfall in July
Round Lake, IL

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").

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Average rainfall days in July
Round Lake, IL

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).

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Average snowfall in July
Round Lake, IL

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").

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Average snowfall days in July
Round Lake, IL

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).

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

Average daylight in July / Average sunshine in July - Round Lake, 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).

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Average sunshine days in July
Round Lake, IL

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).

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Average UV index in July
Round Lake, IL

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).

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Average cloud cover in July
Round Lake, IL

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).

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Average visibility in July
Round Lake, IL

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).

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Round Lake, Illinois, USA

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