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, known for its average high temperature of 80.6°F (27°C) and an average low temperature of 63.5°F (17.5°C), is the warmest month.Heat index
July's mean heat index is appraised at a hot 86°F (30°C). Persisting in activity during exposure could lead to weariness and subsequently to heat cramps.Take into consideration that the heat index values are calculated for shade and light wind conditions. In the presence of direct sunshine, the heat index could be augmented by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', embodies the combination of air temperature and moisture content to illustrate perceived heat. The impact of temperature is individual, as people's perception of weather may change based on their body mass, height, and physical activity. One's exposure to direct sunlight has the potential to intensify the heat sensation, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Kids often lack the knowledge about the necessity to take breaks and consume liquids. Thirst, as a late symptom of dehydration, necessitates the maintenance of hydration, particularly during enduring physical activities.
Humidity
The months with the highest humidity are July and August, with an average relative humidity of 84%.Rainfall
In July, the rain falls for 20.3 days. Throughout July, 3.9" (99mm) of precipitation is accumulated. In Yorkville, during the entire year, the rain falls for 168.3 days and collects up to 35.47" (901mm) of precipitation.Snowfall
May through September are months without snowfall in Yorkville.Daylight
In Yorkville, the average length of the day in July is 14h and 50min.On the first day of July in Yorkville, sunrise is at 5:23 am and sunset at 8:32 pm. On the last day of the month, sunrise is at 5:48 am and sunset at 8:12 pm CDT.
Sunshine
In Yorkville, the average sunshine in July is 9.5h.UV index
The months with the highest UV index in Yorkville, Illinois, are June and July, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for the average person.Note: A maximum daily UV index of 6 during July morphs into the following directions:
Stay clear of intense sun exposure. Solar protection is of utmost significance. Attempt to stay under shade and limit exposure to the Sun between 10 a.m. and 4 p.m., when UV radiation is at its peak. Remember, devices such as parasols or canopies might not provide complete sun protection. 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
What time of the year is the hottest in Yorkville?
What is the temperature in July in Yorkville?
What are the most humid months in Yorkville?
What is the average humidity in July in Yorkville?
How many days does it rain in July in Yorkville?
When it does not snow in Yorkville?
How many hours of daylight does Yorkville have in July?
When is the sunrise / sunset in July in Yorkville?
How long on average sun shines in July in Yorkville?
What are the months with the highest UV index in Yorkville?
What is the UV index intensity in July in Yorkville?
Average temperature in July
Yorkville, IL
- Average high temperature in July: 80.6°F
The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (28.2°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 (16.2°F).
Average pressure in July
Yorkville, IL
- Average pressure in July: 29.97"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in July
Yorkville, IL
- Average wind speed in July: 6.2mph
The windiest months (with the highest average wind speed) are January and April (9.8mph).
The calmest month (with the lowest average wind speed) is August (6mph).
Average humidity in July
Yorkville, IL
- Average humidity in July: 84%
The months with the highest relative humidity are July and August (84%).
The month with the lowest relative humidity is October (74%).
Average rainfall in July
Yorkville, IL
- Average rainfall in July: 3.9"
The wettest month (with the highest rainfall) is May (4.88").
The driest month (with the least rainfall) is November (1.73").
Average rainfall days in July
Yorkville, IL
- Average rainfall days in July: 20.3 days
The month with the highest number of rainy days is July (20.3 days).
The month with the least rainy days is February (6 days).
Average snowfall in July
Yorkville, IL
- Average snowfall in July: 0"
The month with the highest snowfall is January (4.88").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in July
Yorkville, IL
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is January (13.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in July /
Average sunshine in July
Yorkville, IL
- Average daylight in July: 14h and 5min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in July: 9h and 3min
The months with the most sunshine are June and August (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in July
Yorkville, IL
- Average sunshine days in July: 7.2 days
The month with the most sunshine days is November (16.3 days).
The month with the least sunshine days is July (7.2 days).
Average UV index in July
Yorkville, IL
- Average UV index in July: 6
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in July
Yorkville, IL
- Average cloud cover in July: 36
The month with the most cloud cover is January (Cloud cover 60).
The months with the least cloud cover are August and September (Cloud cover 34).
Average visibility in July
Yorkville, IL
- Average visibility in July: 5mi
The months with the highest visibility are March, April, May, June, October, November and December (6mi).
The months with the lowest visibility are January, February, July, August and September (5mi).
Yorkville, Illinois, USA
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