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
In Clayton, July is identified by the highest average temperatures, reaching a peak of 83.7°F (28.7°C) and a low of 66.6°F (19.2°C).Heat index
July's mean heat index is computed to be a tropical 93.2°F (34°C). Take more caution, heat exhaustion and heat cramps may occur. Long-lasting activity may cause heatstroke.It is essential to grasp that the heat index's numbers are for shade and light wind settings. With exposure to direct sunshine, the heat index could climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', represents the fusion of temperature and moisture in the air to suggest how warm it feels. An individual's perception of weather can be influenced by a variety of factors including metabolic differences, being pregnant, and their degree of physical exertion. When exposed to direct sunlight, it's possible for the heat index to increase by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Children often overlook the need for breaks and fluid intake. Thirst is a late-stage sign of dehydration - hence, it is necessary to stay hydrated, especially during extended periods of physical activities.
Humidity
July is the most humid month in Clayton, Illinois, with an average relative humidity of 82%.Rainfall
In July, in Clayton, Illinois, the rain falls for 14.3 days. Throughout July, 1.81" (46mm) of precipitation is accumulated. Throughout the year, in Clayton, there are 132 rainfall days, and 22.17" (563mm) of precipitation is accumulated.Snowfall
In Clayton, snow does not fall in May through October.Daylight
In Clayton, the average length of the day in July is 14h and 41min.On the first day of the month, sunrise is at 5:39 am and sunset at 8:36 pm. On the last day of July, sunrise is at 6:02 am and sunset at 8:18 pm CDT.
Sunshine
June and July, with an average of 10.2h of sunshine, are months with the most sunshine in Clayton.UV index
June through August, with an average maximum UV index of 6, are months with the highest UV index in Clayton. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for average individuals.Note: The UV index of 6 during July translates into the following guidance:
Steer clear of overexposure. Fair-skinned individuals can be scorched in less than 20 minutes. Limit your direct sun exposure, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. Shade structures might not provide complete sun protection. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Frequently asked questions
What time of the year is the hottest in Clayton?
How hot does it get in Clayton in July?
What is the most humid month in Clayton?
What is the average humidity in July in Clayton?
How much does it rain in Clayton in July?
When it does not snow in Clayton?
How many hours of daylight does Clayton have in July?
When is the sunrise / sunset in July in Clayton?
What are the months with the most sunshine in Clayton?
How many hours of sunshine does Clayton have in July?
When is the highest UV index in Clayton?
What is the UV index intensity in July in Clayton?
Average temperature in July
Clayton, IL
- Average high temperature in July: 83.7°F
The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is January (32.7°F).
- Average low temperature in July: 66.6°F
The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (20.3°F).
Average pressure in July
Clayton, IL
- Average pressure in July: 29.96"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in July
Clayton, IL
- Average wind speed in July: 6.3mph
The windiest month (with the highest average wind speed) is January (10.2mph).
The calmest month (with the lowest average wind speed) is July (6.3mph).
Average humidity in July
Clayton, IL
- Average humidity in July: 82%
The month with the highest relative humidity is July (82%).
The month with the lowest relative humidity is October (71%).
Average rainfall in July
Clayton, IL
- Average rainfall in July: 1.81"
The wettest month (with the highest rainfall) is May (3.23").
The driest month (with the least rainfall) is January (0.98").
Average rainfall days in July
Clayton, IL
- Average rainfall days in July: 14.3 days
The month with the highest number of rainy days is May (16.9 days).
The months with the least rainy days are January and February (5.3 days).
Average snowfall in July
Clayton, IL
- Average snowfall in July: 0"
The month with the highest snowfall is January (3.19").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in July
Clayton, IL
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is January (7.8 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
Clayton, 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: 10h and 1min
The months with the most sunshine are June and July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days in July
Clayton, IL
- Average sunshine days in July: 14.3 days
The month with the most sunshine days is January (20 days).
The month with the least sunshine days is May (11.4 days).
Average UV index in July
Clayton, IL
- Average UV index in July: 6
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in July
Clayton, IL
- Average cloud cover in July: 30
The month with the most cloud cover is January (Cloud cover 54).
The months with the least cloud cover are July, August and September (Cloud cover 30).
Average visibility in July
Clayton, 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).
Clayton, Illinois, USA
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