July weather forecastIsland Lake, IL
July
Weather in July
July, like June, in Island Lake, Illinois, is a moderately hot summer month, with temperature in the range of an average high of 79.9°F (26.6°C) and an average low of 63.5°F (17.5°C).Temperature
July is the month when Island Lake, Illinois, experiences its warmest temperatures, averaging a high of 79.9°F (26.6°C) and a low of 63.5°F (17.5°C).Humidity
In July, the average relative humidity is 82%.Rainfall
In July, the rain falls for 18.8 days. Throughout July, 2.52" (64mm) of precipitation is accumulated. Throughout the year, there are 151.2 rainfall days, and 24.17" (614mm) of precipitation is accumulated.Snowfall
In Island Lake, snow does not fall in June through September.Daylight
In July, the average length of the day in Island Lake is 14h and 55min.On the first day of July, sunrise is at 5:20 am and sunset at 8:33 pm. On the last day of the month, sunrise is at 5:45 am and sunset at 8:12 pm CDT.
Sunshine
The month with the most sunshine in Island Lake is July, with an average of 10h of sunshine.UV index
The average daily maximum UV index in July in Island Lake is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: In July, a daily UV index of 5 turns into the following recommendations:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Island 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°F).
- Average low temperature in July: 63.5°F
The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (15.3°F).
Average pressure in July
Island Lake, IL
- Average pressure in July: 29.97"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in July
Island Lake, IL
- Average wind speed in July: 6.5mph
The windiest month (with the highest average wind speed) is January (10mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).
Average humidity in July
Island Lake, IL
- Average humidity in July: 82%
The months with the highest relative humidity are January and February (84%).
The month with the lowest relative humidity is October (75%).
Average rainfall in July
Island Lake, IL
- Average rainfall in July: 2.52"
The wettest month (with the highest rainfall) is June (3.15").
The driest month (with the least rainfall) is December (1.1").
Average rainfall days in July
Island Lake, IL
- Average rainfall days in July: 18.8 days
The month with the highest number of rainy days is July (18.8 days).
The months with the least rainy days are January and February (5.3 days).
Average snowfall in July
Island Lake, IL
- Average snowfall in July: 0"
The month with the highest snowfall is January (3.82").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in July
Island Lake, IL
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is January (13.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in July /
Average sunshine in July
Island Lake, 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 6min).
- Average sunshine in July: 10h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in July
Island Lake, IL
- Average sunshine days in July: 10.4 days
The month with the most sunshine days is November (16.2 days).
The month with the least sunshine days is June (10 days).
Average UV index in July
Island Lake, IL
- Average UV index in July: 5
The month with the highest UV index is August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in July
Island Lake, IL
- Average cloud cover in July: 32
The month with the most cloud cover is January (Cloud cover 62).
The months with the least cloud cover are August and September (Cloud cover 31).
Average visibility in July
Island Lake, IL
- Average visibility in July: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).
