Contents
- Weather in July
- Frequently asked questions
- Average temperature in July
- Average pressure in July
- Average wind speed in July
- Average humidity in July
- Average rainfall in July
- Average rainfall days in July
- Average snowfall in July
- Average snowfall days in July
- Average daylight in July
- Average sunshine in July
- Average sunshine days in July
- Average UV index in July
- Average cloud cover in July
- Average visibility in July
Weather in July
Temperature
With the start of July, the average high-temperature marginally shifts from June's pleasant 69.6°F (20.9°C) to a moderately hot 76.8°F (24.9°C). An average temperature of 68°F (20°C) is logged during the nights of July, a small step down from daytime highs.Humidity
In July, the average relative humidity is 77%.Rainfall
In Evanston, in July, during 17.3 rainfall days, 3.7" (94mm) of precipitation is typically accumulated. Throughout the year, there are 154.1 rainfall days, and 33.31" (846mm) of precipitation is accumulated.Snowfall
May through September are months without snowfall.Daylight
In July, the average length of the day 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 of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for the average person.Note: The daily high UV index of 6 during July translates into the following recommendations:
Avoid overexposure. Fair-skinned individuals can burn in under 20 minutes. Limit direct sun exposure especially between 10 a.m. and 4 p.m., when UV radiation is at its peak. However, keep in mind that shade structures may not provide full sun protection. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Evanston in July?
What is the average humidity in July in Evanston?
How many days does it rain in July?
When it does not snow?
What is the average length of the day in July?
When are sunrise and sunset in July?
What are the months with the most sunshine?
How long on average sun shines in July?
What are the months with the highest UV index?
How high is the UV index in July?
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).
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).
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).
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%).
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").
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).
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").
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).
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).
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).
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).
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).
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).
Evanston, Illinois, USA
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