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
July, characterized by an average high temperature of 79.5°F (26.4°C) and a low temperature of 63.1°F (17.3°C), is generally the warmest month.Humidity
The average relative humidity in July in Crystal Lake is 83%.Rainfall
In Crystal Lake, in July, during 18.5 rainfall days, 2.32" (59mm) of precipitation is typically accumulated. Throughout the year, there are 146.9 rainfall days, and 21.22" (539mm) of precipitation is accumulated.Snowfall
In Crystal Lake, snow does not fall in June through September.Daylight
The average length of the day in July is 14h and 54min.On the first day of July in Crystal Lake, Illinois, sunrise is at 5:21 am and sunset at 8:33 pm. On the last day of the month, sunrise is at 5:45 am and sunset at 8:13 pm CDT.
Sunshine
The month with the most sunshine is July, with an average of 10h of sunshine.UV index
The average daily maximum UV index in July in Crystal Lake is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the average person.Note: In July, an average UV index of 5 transforms into the following instructions:
Take precautions. Light skin individuals may get burned in less than 30 minutes. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
Frequently asked questions
What are the warmest months in Crystal Lake?
What are July temperatures in Crystal Lake?
What is the average humidity in July in Crystal Lake?
How many days does it rain in July in Crystal Lake?
When it does not snow in Crystal Lake?
What is the average length of the day in July in Crystal Lake?
When are sunrise and sunset in July in Crystal Lake?
What month has the most sunshine in Crystal Lake?
How long on average sun shines in July in Crystal Lake?
What is the UV index intensity in July in Crystal Lake?
Average temperature in July
Crystal Lake, IL
- Average high temperature in July: 79.5°F
The warmest month (with the highest average high temperature) is July (79.5°F).
The month with the lowest average high temperature is January (27°F).
- Average low temperature in July: 63.1°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (15.1°F).
Average pressure in July
Crystal 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
Crystal Lake, IL
- Average wind speed in July: 6.4mph
The windiest months (with the highest average wind speed) are January and February (9.9mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).
Average humidity in July
Crystal Lake, IL
- Average humidity in July: 83%
The months with the highest relative humidity are January and February (85%).
The months with the lowest relative humidity are April and October (76%).
Average rainfall in July
Crystal Lake, IL
- Average rainfall in July: 2.32"
The wettest month (with the highest rainfall) is June (2.8").
The driest months (with the least rainfall) are November and December (0.94").
Average rainfall days in July
Crystal Lake, IL
- Average rainfall days in July: 18.5 days
The month with the highest number of rainy days is July (18.5 days).
The month with the least rainy days is February (4.8 days).
Average snowfall in July
Crystal Lake, IL
- Average snowfall in July: 0"
The month with the highest snowfall is January (3.31").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in July
Crystal Lake, IL
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is January (12.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in July /
Average sunshine in July
Crystal Lake, 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 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 42min).
Average sunshine days in July
Crystal Lake, IL
- Average sunshine days in July: 10 days
The month with the most sunshine days is November (17.3 days).
The month with the least sunshine days is July (10 days).
Average UV index in July
Crystal 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
Crystal 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 July and September (Cloud cover 32).
Average visibility in July
Crystal Lake, IL
- Average visibility in July: 6mi
The months with the highest visibility are March, April, May, June, July, September, October, November and December (6mi).
The months with the lowest visibility are January, February and August (5mi).
Crystal Lake, Illinois, USA
Weather forecast for your location
2. Allow the app to use your location
