July weather forecast
Herald, IL

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Weather in July

July, like June, in Herald, Illinois, is a moderately hot summer month, with an average temperature ranging between max 85.6°F (29.8°C) and min 68.2°F (20.1°C).

Temperature

Herald experiences its highest average temperatures in July, reaching a peak of 85.6°F (29.8°C) and a minimum of 68.2°F (20.1°C).

Heat index

The heat index for July is computed to be a very hot 98.6°F (37°C). Undertake additional safety actions, risk of heat cramps and heat exhaustion is significant. Persistent activity may induce heatstroke.
Metrics for the heat index primarily focus on shaded spots and light wind conditions. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', is a composite of temperature and humidity figures to convey how warm it feels. One's perception of temperature is subjective, varying based on their activity and individual heat perception, influenced by factors like wind, clothing, and metabolic variations. With the sun shining directly, it's crucial to understand that it can increase the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Young ones generally face higher dangers than adults since they sweat less. Along with their large skin surface area compared totheir small bodies and increased heat production from their activities, the risks are heightened.
In response to overheating, the human body perspires to cool down, mainly through the evaporation of sweat. An increase in relative humidity retards evaporation, subsequently reducing the body's heat removal rate and leading to a sensation of being overly warm. Rising body temperatures due to excess heat retention could signify impending heat disorders.

Humidity

The months with the highest humidity in Herald are May and July, with an average relative humidity of 79%.

Rainfall

In Herald, Illinois, during July, the rain falls for 11.3 days and regularly aggregates up to 0.79" (20mm) of precipitation. In Herald, during the entire year, the rain falls for 100.2 days and collects up to 8.7" (221mm) of precipitation.

Snowfall

In Herald, snow does not fall in April through October.

Daylight

In July, the average length of the day in Herald is 14h and 29min.
On the first day of the month, sunrise is at 5:34 am and sunset at 8:19 pm. On the last day of July, sunrise is at 5:55 am and sunset at 8:02 pm CDT.

Sunshine

In July, the average sunshine in Herald is 10.5h.

UV index

The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for the ordinary person.
Note: An average UV index of 6 in July transforms into this advice:
Sustain precautions and conform to sun safety norms. Preventing sunburn is necessary. Stay in the shade and limit direct sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its strongest. Remember, however, that not all shade structures provide full sun protection. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
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Frequently asked questions

What part of the year is the hottest in Herald?

July is Herald's warmest month, registering average high temperatures of 85.6°F (29.8°C) and lows of 68.2°F (20.1°C).

How hot is July in Herald?

In July, the average high-temperature and low-temperature in Herald are 85.6°F (29.8°C) and 68.2°F (20.1°C) respectively. In July, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which combines relative humidity and air temperature, is computed to be 98.6°F (37°C).

What is the most humid month in Herald?

May and July, with an average relative humidity of 79%, are most humid months in Herald, Illinois.

What is the average humidity in July in Herald?

In July, the average relative humidity is 79%.

How many days does it rain in July in Herald?

In July, in Herald, Illinois, the rain falls for 11.3 days. Throughout July, 0.79" (20mm) of precipitation is accumulated.

When it does not snow in Herald?

April through October are months without snowfall in Herald.

What is the average length of the day in July in Herald?

The average day length in July in Herald is 14h and 29min.

When are sunrise and sunset in July in Herald?

On the first day of July in Herald, Illinois, sunrise is at 5:34 am and sunset at 8:19 pm. On the last day of the month, sunrise is at 5:55 am and sunset at 8:02 pm CDT.

How many hours of sunshine does Herald have in July?

In Herald, Illinois, the average sunshine duration in July is 10.5h.

What are the months with the highest UV index in Herald?

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

How high is the UV index in July in Herald?

In Herald, Illinois, the average daily maximum UV index in July is 6. A UV Index of 6 to 7 symbolizes a high health risk from exposure to Sun's UV rays.
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
Herald, IL

Average temperature in July - Herald, IL
  • Average high temperature in July: 85.6°F

The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (38.3°F).

  • Average low temperature in July: 68.2°F

The month with the highest average low temperature is July (68.2°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).

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Average pressure in July
Herald, IL

Average pressure in July - Herald, 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 (29.94"Hg).

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Average wind speed in July
Herald, IL

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

The windiest month (with the highest average wind speed) is February (10.1mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).

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Average humidity in July
Herald, IL

Average humidity in July - Herald, IL
  • Average humidity in July: 79%

The months with the highest relative humidity are May and July (79%).
The month with the lowest relative humidity is October (69%).

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Average rainfall in July
Herald, IL

Average rainfall in July - Herald, IL
  • Average rainfall in July: 0.79"

The wettest month (with the highest rainfall) is April (1.06").
The driest month (with the least rainfall) is September (0.28").

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Average rainfall days in July
Herald, IL

Average rainfall days in July - Herald, IL
  • Average rainfall days in July: 11.3 days

The month with the highest number of rainy days is May (11.9 days).
The month with the least rainy days is January (5 days).

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Average snowfall in July
Herald, IL

Average snowfall in July - Herald, IL
  • Average snowfall in July: 0"

The months with the highest snowfall are January and February (0.28").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in July
Herald, IL

Average snowfall days in July - Herald, IL
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is January (3.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight in July /
Average sunshine in July
Herald, IL

Average daylight in July / Average sunshine in July - Herald, IL
  • Average daylight in July: 14h and 3min

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 36min).

  • Average sunshine in July: 10h and 3min

The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).

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Average sunshine days in July
Herald, IL

Average sunshine days in July - Herald, IL
  • Average sunshine days in July: 16.9 days

The month with the most sunshine days is October (23.4 days).
The month with the least sunshine days is May (15.8 days).

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Average UV index in July
Herald, IL

Average UV index in July - Herald, 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).

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Average cloud cover in July
Herald, IL

Average cloud cover in July - Herald, IL
  • Average cloud cover in July: 28

The months with the most cloud cover are January and February (Cloud cover 51).
The months with the least cloud cover are June and August (Cloud cover 27).

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Average visibility in July
Herald, IL

Average visibility in July - Herald, 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).

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Herald, Illinois, USA

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