July weather forecast
Clay City, IL

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Weather in July

July, like June, in Clay City, Illinois, is a moderately hot summer month, with an average temperature varying between 84.7°F (29.3°C) and 67.5°F (19.7°C).

Temperature

July temperatures tend to peak at an average high of 84.7°F (29.3°C) and dip to a low of 67.5°F (19.7°C).

Heat index

The heat index in July is computed to be a fiery hot 96.8°F (36°C). Adopt heightened safety measures, heat cramps and heat exhaustion may occur. Sustained activity might cause heatstroke.
Consider that heat index readings are for situations in the shade and light wind. Direct exposure to sunlight could raise the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is a metric representing the sensation of warmth when air temperature and moisture come together. Factors including metabolic differences, physical activity, and clothing are additional elements that influence the individual's temperature experience. Keep it in mind, direct sunlight can augment the heat you experience, possibly pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. In general, younger individuals are at greater risk than adults because they tend to sweat less. Also, having a larger skin surface to body size ratio and greater heat production due to their active behavior contribute to this danger.
The body's innate mechanism to counteract overheating is through perspiration, as it leverages the cooling effects of sweat evaporation. Relative humidity in excess curtails evaporation, therefore reducing heat dissipation from the body, leading to feelings of excess heat. Heat absorption that surpasses the body's shedding capability can lead to overheating and varying levels of dehydration.

Humidity

May and July, with an average relative humidity of 80%, are the most humid months in Clay City, Illinois.

Rainfall

In July, in Clay City, the rain falls for 18.2 days. Throughout July, 3.39" (86mm) of precipitation is accumulated. Throughout the year, there are 167.3 rainfall days, and 37.17" (944mm) of precipitation is accumulated.

Snowfall

In Clay City, Illinois, snow does not fall in May through September.

Daylight

The average length of the day in July in Clay City is 14h and 34min.
On the first day of the month, sunrise is at 5:32 am and sunset at 8:22 pm. On the last day of July, sunrise is at 5:54 am and sunset at 8:04 pm CDT.

Sunshine

The average sunshine in July in Clay City is 10.3h.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for the average person.
Note: The daily high UV index of 6 in July translates into this advice:
Avert overexposure. Light-skinned people might experience burning in less than 20 minutes. The Sun emits the most powerful UV radiation between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What part of the year is the hottest in Clay City?

July is the warmest month in Clay City, exhibiting average temperatures of 84.7°F (29.3°C) at the peak and 67.5°F (19.7°C) at the base.

How hot is it in Clay City in July?

In July, in Clay City, the average high-temperature is 84.7°F (29.3°C), and the average low-temperature is 67.5°F (19.7°C). In July, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which represents the influence of relative humidity on air temperature, is computed to be 96.8°F (36°C).

What are the most humid months in Clay City?

May and July, with an average relative humidity of 80%, are most humid months.

What is the average humidity in July in Clay City?

In Clay City, Illinois, the average relative humidity in July is 80%.

How much does it rain in Clay City in July?

In Clay City, in July, it is raining for 18.2 days, with typically 3.39" (86mm) of accumulated precipitation.

When it does not snow in Clay City?

May through September are months without snowfall.

How many hours of daylight does Clay City have in July?

The average day length in July in Clay City, Illinois, is 14h and 34min.

When are sunrise and sunset in July in Clay City?

On the first day of July in Clay City, sunrise is at 5:32 am and sunset at 8:22 pm. On the last day of the month, sunrise is at 5:54 am and sunset at 8:04 pm CDT.

How long on average sun shines in July in Clay City?

In Clay City, the average sunshine duration in July is 10.3h.

What are the months with the highest UV index in Clay City?

The months with the highest UV index are May through August, with an average maximum UV index of 6.

What is the UV index reading in July in Clay City?

The average daily maximum UV index in July in Clay City, Illinois, is 6. A UV Index estimate of 6 to 7 represents a high hazard to health from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in July
Clay City, IL

Average temperature in July - Clay City, IL
  • Average high temperature in July: 84.7°F

The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (36.7°F).

  • Average low temperature in July: 67.5°F

The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).

Average pressure in July
Clay City, IL

Average pressure in July - Clay City, IL
  • Average pressure in July: 29.98"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in July
Clay City, IL

Average wind speed in July - Clay City, IL
  • Average wind speed in July: 6mph

The windiest months (with the highest average wind speed) are January and February (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).

Average humidity in July
Clay City, IL

Average humidity in July - Clay City, IL
  • Average humidity in July: 80%

The months with the highest relative humidity are May and July (80%).
The month with the lowest relative humidity is October (70%).

Average rainfall in July
Clay City, IL

Average rainfall in July - Clay City, IL
  • Average rainfall in July: 3.39"

The wettest month (with the highest rainfall) is April (4.88").
The driest months (with the least rainfall) are February and September (2.09").

Average rainfall days in July
Clay City, IL

Average rainfall days in July - Clay City, IL
  • Average rainfall days in July: 18.2 days

The month with the highest number of rainy days is May (19.9 days).
The month with the least rainy days is January (9.3 days).

Average snowfall in July
Clay City, IL

Average snowfall in July - Clay City, IL
  • Average snowfall in July: 0"

The month with the highest snowfall is January (2.05").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in July
Clay City, IL

Average snowfall days in July - Clay City, IL
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is January (7.1 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
Clay City, IL

Average daylight in July / Average sunshine in July - Clay City, IL
  • Average daylight in July: 14h and 4min

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in July: 10h and 2min

The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).

Average sunshine days in July
Clay City, IL

Average sunshine days in July - Clay City, IL
  • Average sunshine days in July: 9.5 days

The month with the most sunshine days is October (17.5 days).
The month with the least sunshine days is May (9 days).

Average UV index in July
Clay City, IL

Average UV index in July - Clay City, IL
  • Average UV index in July: 6

The months with the highest UV index are May, 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
Clay City, IL

Average cloud cover in July - Clay City, IL
  • Average cloud cover in July: 29

The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is June (Cloud cover 28).

Average visibility in July
Clay City, IL

Average visibility in July - Clay City, 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).

Clay City, Illinois, USA

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