July weather forecastHighland Park, IL
July
Weather in July
July is a warm summer month in Highland Park, Illinois, with an average temperature ranging between min 66.7°F (19.3°C) and max 77.7°F (25.4°C).Temperature
With average high and low temperatures of 77.7°F (25.4°C) and 66.7°F (19.3°C) respectively, July is Highland Park's warmest month.Humidity
The average relative humidity in July is 78%.Rainfall
In July, in Highland Park, Illinois, the rain falls for 17.4 days. Throughout July, 3.23" (82mm) of precipitation is accumulated. In Highland Park, during the entire year, the rain falls for 154.1 days and collects up to 30.24" (768mm) of precipitation.Snowfall
May through September are months without snowfall in Highland Park, Illinois.Daylight
In Highland Park, the average length of the day in July is 14h and 54min.On the first day of July, sunrise is at 5:19 am and sunset at 8:31 pm. On the last day of the month, sunrise is at 5:44 am and sunset at 8:11 pm CDT.
Sunshine
In Highland Park, the average sunshine in July is 10.6h.UV index
June through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: In July, a daily UV index of 6 turns into the following recommendations:
Implement preventive steps and embrace sun safety standards. Protection from skin and eye distress is compulsory. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Stay sun-safe with clothing that is both closely woven and worn loosely.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Highland Park, IL
- Average high temperature in July: 77.7°F
The warmest month (with the highest average high temperature) is July (77.7°F).
The month with the lowest average high temperature is January (28.6°F).
- Average low temperature in July: 66.7°F
The months with the highest average low temperature are July and August (66.7°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure in July
Highland Park, 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
Highland Park, IL
- Average wind speed in July: 7.5mph
The windiest month (with the highest average wind speed) is January (11.9mph).
The calmest month (with the lowest average wind speed) is August (7.4mph).
Average humidity in July
Highland Park, IL
- Average humidity in July: 78%
The months with the highest relative humidity are January and February (82%).
The month with the lowest relative humidity is October (73%).
Average rainfall in July
Highland Park, IL
- Average rainfall in July: 3.23"
The wettest months (with the highest rainfall) are May and June (3.82").
The driest month (with the least rainfall) is December (1.3").
Average rainfall days in July
Highland Park, IL
- Average rainfall days in July: 17.4 days
The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is February (5.9 days).
Average snowfall in July
Highland Park, IL
- Average snowfall in July: 0"
The month with the highest snowfall is January (4.13").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in July
Highland Park, IL
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is January (11.9 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
Highland Park, 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 12min).
- Average sunshine in July: 10h and 36min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in July
Highland Park, IL
- Average sunshine days in July: 11.5 days
The month with the most sunshine days is December (15.3 days).
The month with the least sunshine days is April (10.8 days).
Average UV index in July
Highland Park, 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
Highland Park, IL
- Average cloud cover in July: 27
The month with the most cloud cover is January (Cloud cover 61).
The months with the least cloud cover are July and August (Cloud cover 27).
Average visibility in July
Highland Park, 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).





