July weather forecast
Gurnee, IL

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Weather in July

July in Gurnee, Illinois, is a moderately hot summer month, with temperature in the range of an average high of 77.5°F (25.3°C) and an average low of 65.3°F (18.5°C).

Temperature

Gurnee, Illinois, experiences its highest average temperatures in July, reaching a peak of 77.5°F (25.3°C) and a minimum of 65.3°F (18.5°C).

Humidity

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

Rainfall

In Gurnee, during July, the rain falls for 17 days and regularly aggregates up to 2.44" (62mm) of precipitation. In Gurnee, during the entire year, the rain falls for 142.5 days and collects up to 21.5" (546mm) of precipitation.

Snowfall

May through September are months without snowfall.

Daylight

In July, the average length of the day is 14h and 55min.
On the first day of the month, sunrise is at 5:18 am and sunset at 8:32 pm. On the last day of July, sunrise is at 5:43 am and sunset at 8:12 pm CDT.

Sunshine

July and August, with an average of 10.5h of sunshine, are months with the most sunshine.

UV index

The months with the highest UV index are July and August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for the average person.
Note: The UV index of 6 in July translates into these instructions:
Deter overexposure. Protecting against the sun's effects is essential. To the best of your ability, limit your exposure to the sun between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Updated: Jul 17, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the warmest month in Gurnee?

In Gurnee, the average highest temperatures are observed in July, with a high of 77.5°F (25.3°C) and a low of 65.3°F (18.5°C).

What is the usual temperature for Gurnee in July?

During July, Gurnee experiences an average high-temperature of 77.5°F (25.3°C) and a low-temperature of 65.3°F (18.5°C).

What is the average humidity in July?

The average relative humidity in July is 80%.

How much does it rain in July?

In Gurnee, in July, it is raining for 17 days, with typically 2.44" (62mm) of accumulated precipitation.

When it does not snow?

May through September are months without snowfall.

How many hours of daylight does Gurnee have in July?

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

What time are sunrise and sunset in July?

In July, on the first day of the month, sunrise is at 5:18 am and sunset at 8:32 pm. On the last day of the month, sunrise is at 5:43 am and sunset at 8:12 pm CDT.

What is the month with the most sunshine?

The months with the most sunshine are July and August, with an average of 10.5h of sunshine.

How many hours of sunshine does Gurnee have in July?

In July, the average sunshine duration is 10.5h.

What is the month with the highest UV index?

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

What is the UV index intensity in July?

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

Average temperature in July - Gurnee, IL
  • Average high temperature in July: 77.5°F

The warmest month (with the highest average high temperature) is July (77.5°F).
The month with the lowest average high temperature is January (27.9°F).

  • Average low temperature in July: 65.3°F

The month with the highest average low temperature is July (65.3°F).
The coldest month (with the lowest average low temperature) is January (18.3°F).

Average pressure in July
Gurnee, IL

Average pressure in July - Gurnee, IL
  • Average pressure in July: 29.96"Hg

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

Average wind speed in July
Gurnee, IL

Average wind speed in July - Gurnee, IL
  • Average wind speed in July: 7.4mph

The windiest month (with the highest average wind speed) is January (11.9mph).
The calmest month (with the lowest average wind speed) is August (7.3mph).

Average humidity in July
Gurnee, IL

Average humidity in July - Gurnee, IL
  • Average humidity in July: 80%

The month with the highest relative humidity is January (83%).
The months with the lowest relative humidity are October and November (75%).

Average rainfall in July
Gurnee, IL

Average rainfall in July - Gurnee, IL
  • Average rainfall in July: 2.44"

The wettest months (with the highest rainfall) are June and August (2.68").
The driest month (with the least rainfall) is December (0.91").

Average rainfall days in July
Gurnee, IL

Average rainfall days in July - Gurnee, IL
  • Average rainfall days in July: 17 days

The month with the highest number of rainy days is July (17 days).
The month with the least rainy days is February (5.2 days).

Average snowfall in July
Gurnee, IL

Average snowfall in July - Gurnee, IL
  • Average snowfall in July: 0"

The month with the highest snowfall is February (2.6").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in July
Gurnee, IL

Average snowfall days in July - Gurnee, IL
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is January (12.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in July /
Average sunshine in July
Gurnee, IL

Average daylight in July / Average sunshine in July - Gurnee, 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 3min

The months with the most sunshine are July and August (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).

Average sunshine days in July
Gurnee, IL

Average sunshine days in July - Gurnee, IL
  • Average sunshine days in July: 10.8 days

The month with the most sunshine days is November (16.5 days).
The month with the least sunshine days is July (10.8 days).

Average UV index in July
Gurnee, IL

Average UV index in July - Gurnee, 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
Gurnee, IL

Average cloud cover in July - Gurnee, IL
  • Average cloud cover in July: 28

The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 27).

Average visibility in July
Gurnee, IL

Average visibility in July - Gurnee, IL
  • Average visibility in July: 6mi

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

Gurnee, Illinois, USA

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