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, with its average high-temperature of 82°F (27.8°C) and an average low-temperature of 65.7°F (18.7°C), holds the record as the warmest month.Heat index
In July, the heat index is appraised at a hot 89.6°F (32°C). A sense of exhaustion might occur with extended exposure and activity, potentially causing heat cramps.Heat index readings emphasize conditions of light breezes and shaded spots. Direct sunlight has the potential to heighten heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is an estimation of the warmth sensation when considering humidity levels. Physical activity, clothing, and metabolic variations are additional factors that impact an individual's perception of temperature. By being directly under the sun, it's possible for the felt temperature to increase by 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Children usually face more risks than adults as their ability to sweat is less. Additionally, their larger skin surface in relation to their petite bodies and higher heat output due to their activities increases their vulnerability.
Humidity
With an average relative humidity of 84%, July is the most humid month.Rainfall
In Chestnut, Illinois, in July, it is raining for 16.3 days, with typically 2.05" (52mm) of accumulated precipitation. Throughout the year, in Chestnut, there are 141.8 rainfall days, and 22.24" (565mm) of precipitation is accumulated.Snowfall
In Chestnut, snow does not fall in May through October.Daylight
The average length of the day in July in Chestnut is 14h and 41min.On the first day of July in Chestnut, Illinois, sunrise is at 5:31 am and sunset at 8:29 pm. On the last day of the month, sunrise is at 5:54 am and sunset at 8:11 pm CDT.
Sunshine
In Chestnut, the average sunshine in July is 9.9h.UV index
The months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: A typical high UV index of 6 in July suggests the following recommendations:
Exercise precautions and adapt sun safety practices. Defence against skin and eye affliction is paramount. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What part of the year is the hottest in Chestnut?
What is the usual temperature for Chestnut in July?
What is the most humid month in Chestnut?
What is the average humidity in July in Chestnut?
How many days does it rain in July in Chestnut?
When it does not snow in Chestnut?
How many hours of daylight does Chestnut have in July?
When are sunrise and sunset in July in Chestnut?
How many hours of sunshine does Chestnut have in July?
What is the month with the highest UV index in Chestnut?
What is the UV index reading in July in Chestnut?
Average temperature in July
Chestnut, IL
- Average high temperature in July: 82°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (32.5°F).
- Average low temperature in July: 65.7°F
The month with the highest average low temperature is July (65.7°F).
The coldest month (with the lowest average low temperature) is January (20.5°F).
Average pressure in July
Chestnut, IL
- Average pressure in July: 29.97"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in July
Chestnut, IL
- Average wind speed in July: 6.3mph
The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).
Average humidity in July
Chestnut, IL
- Average humidity in July: 84%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (70%).
Average rainfall in July
Chestnut, IL
- Average rainfall in July: 2.05"
The wettest month (with the highest rainfall) is May (2.68").
The driest month (with the least rainfall) is December (1.1").
Average rainfall days in July
Chestnut, IL
- Average rainfall days in July: 16.3 days
The month with the highest number of rainy days is May (17 days).
The months with the least rainy days are January and February (6.3 days).
Average snowfall in July
Chestnut, IL
- Average snowfall in July: 0"
The month with the highest snowfall is January (2.24").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in July
Chestnut, IL
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is January (9.4 days).
The months with the least snowfall days are May, June, July and August (0 days).
Average daylight in July /
Average sunshine in July
Chestnut, IL
- Average daylight in July: 14h and 4min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in July: 9h and 5min
The month with the most sunshine is June (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in July
Chestnut, IL
- Average sunshine days in July: 10.9 days
The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is May (10.8 days).
Average UV index in July
Chestnut, 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 January (UV index 1).
Average cloud cover in July
Chestnut, IL
- Average cloud cover in July: 32
The month with the most cloud cover is January (Cloud cover 57).
The months with the least cloud cover are June and September (Cloud cover 31).
Average visibility in July
Chestnut, IL
- Average visibility in July: 5mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).
Chestnut, Illinois, USA
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