July weather forecast
Evanston, IL

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Weather in July

July is typically the warmest month in Evanston, with long sunny days dominating the weather pattern. High temperatures become customary, urging people to seek solace in water bodies and air-conditioned spaces. The temperature reaches a lofty figure, with the highest at 76.8°F (24.9°C). Sunshine is plentiful, and the outdoor fun continues. Despite the occasional rainfall, the enthusiasm of the summer festivals and gatherings remains unscathed.

Temperature

As July arrives, a slight rise in the average high-temperature is observed, moving from an agreeable 69.6°F (20.9°C) in June to a warm 76.8°F (24.9°C). Evanston records a mild decrease in temperature during the nights of July, averaging a pleasant 68°F (20°C).

Humidity

In Evanston, the average relative humidity in July is 77%.

Rainfall

In July, the rain falls for 17.3 days. Throughout July, 3.7" (94mm) of precipitation is accumulated. In Evanston, Illinois, during the entire year, the rain falls for 154.1 days and collects up to 33.31" (846mm) of precipitation.

Snowfall

In Evanston, snow does not fall in May through September.

Daylight

The average length of the day in July is 14h and 53min.
On the first day of the month, sunrise is at 5:19 am and sunset at 8:30 pm. On the last day of July, sunrise is at 5:43 am and sunset at 8:10 pm CDT.

Sunshine

The months with the most sunshine are July and August, with an average of 10.6h of sunshine.

UV index

The months with the highest UV index are June through 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:
Dodge overexposure. Fair-skinned people can get singed in less than 20 minutes. Avoid direct exposure to the Sun between 10 a.m. and 4 p.m., the peak period for UV radiation, noting that objects like parasols or canopies might not offer complete sun protection. Experience reduced UV exposure by about half when donning a wide-brim hat.
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Frequently asked questions

What are the temperatures in Evanston in July?

In July, in Evanston, the average high-temperature is 76.8°F (24.9°C), and the average low-temperature is 68°F (20°C).

What is the average humidity in July in Evanston?

In July, the average relative humidity in Evanston is 77%.

How much does it rain in Evanston in July?

In July, the rain falls for 17.3 days. Throughout July, 3.7" (94mm) of precipitation is accumulated.

When it does not snow in Evanston?

In Evanston, Illinois, snow does not fall in May through September.

How many hours of daylight does Evanston have in July?

In July, the average day length in Evanston, Illinois, is 14h and 53min.

When is the sunrise / sunset in July in Evanston?

On the first day of July in Evanston, sunrise is at 5:19 am and sunset at 8:30 pm. On the last day of the month, sunrise is at 5:43 am and sunset at 8:10 pm CDT.

What are the months with the most sunshine in Evanston?

July and August, with an average of 10.6h of sunshine, are months with the most sunshine in Evanston, Illinois.

How many hours of sunshine does Evanston have in July?

The average sunshine duration in July is 10.6h.

When is the highest UV index in Evanston?

June through August, with an average maximum UV index of 6, are months with the highest UV index.

What is the UV index reading in July in Evanston?

In July, the average daily maximum UV index is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability 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
Evanston, IL

Average temperature in July - Evanston, IL
  • Average high temperature in July: 76.8°F

The warmest month (with the highest average high temperature) is August (77°F).
The month with the lowest average high temperature is January (29.1°F).

  • Average low temperature in July: 68°F

The months with the highest average low temperature are July and August (68°F).
The coldest month (with the lowest average low temperature) is January (20.5°F).

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Average pressure in July
Evanston, IL

Average pressure in July - Evanston, IL
  • Average pressure in July: 29.97"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).

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Average wind speed in July
Evanston, IL

Average wind speed in July - Evanston, IL
  • Average wind speed in July: 8mph

The windiest month (with the highest average wind speed) is January (12.7mph).
The calmest months (with the lowest average wind speed) are July and August (8mph).

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Average humidity in July
Evanston, IL

Average humidity in July - Evanston, IL
  • Average humidity in July: 77%

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

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Average rainfall in July
Evanston, IL

Average rainfall in July - Evanston, IL
  • Average rainfall in July: 3.7"

The wettest month (with the highest rainfall) is June (4.49").
The driest month (with the least rainfall) is December (1.38").

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Average rainfall days in July
Evanston, IL

Average rainfall days in July - Evanston, IL
  • Average rainfall days in July: 17.3 days

The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is February (5.6 days).

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Average snowfall in July
Evanston, IL

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

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

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Average snowfall days in July
Evanston, IL

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

The month with the highest number of snowfall days is January (11.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

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

  • Average sunshine in July: 10h and 4min

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

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Average sunshine days in July
Evanston, IL

Average sunshine days in July - Evanston, IL
  • Average sunshine days in July: 10.9 days

The month with the most sunshine days is December (15.3 days).
The months with the least sunshine days are June and July (10.9 days).

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Average UV index in July
Evanston, IL

Average UV index in July - Evanston, IL
  • Average UV index in July: 6

The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).

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Average cloud cover in July
Evanston, IL

Average cloud cover in July - Evanston, IL
  • Average cloud cover in July: 27

The month with the most cloud cover is January (Cloud cover 62).
The months with the least cloud cover are July and August (Cloud cover 27).

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Average visibility in July
Evanston, IL

Average visibility in July - Evanston, 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).

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Evanston, Illinois, USA

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