August weather forecast
Justice, IL

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Weather in August

August, the last month of the summer in Justice, is also a moderately hot month, with an average temperature fluctuating between 65.3°F (18.5°C) and 80.6°F (27°C).

Temperature

Justice indicates an average high-temperature of a still warm 80.6°F (27°C) in August, showing minor variation from July's 81.9°F (27.7°C). During the month of August, an average low-temperature of 65.3°F (18.5°C) is recorded.

Heat index

For August, the heat index is calculated to be 84.2°F (29°C). If one persists in activity during exposure, it could induce weariness and subsequently, heat cramps.
In the scope of the heat index, its values resonate with shade and light wind conditions. A rise in the heat index by 15 Fahrenheit (8 Celsius) degrees may result from direct sunlight exposure.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is an indicator that blends the effects of temperature and humidity to depict perceived warmth. This impact is subjective, influenced by the person's physical activity and individual heat perception, affected by factors including wind, attire, and metabolic differences. One must note that being under the direct sun can escalate the heat's effects, with the heat index possibly rising by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Children commonly overlook the importance of rest and fluid replenishment. Thirst, being a delayed sign of dehydration, emphasizes the need to keep hydration up, especially during lengthy physical activities.

Humidity

In Justice, the average relative humidity in August is 76%.

Rainfall

In Justice, in August, during 17.4 rainfall days, 3.46" (88mm) of precipitation is typically accumulated. Throughout the year, in Justice, there are 166.8 rainfall days, and 34.96" (888mm) of precipitation is accumulated.

Snowfall

In Justice, snow does not fall in May through September.

Daylight

In Justice, the average length of the day in August is 13h and 49min.
On the first day of the month, sunrise is at 5:46 am and sunset at 8:09 pm. On the last day of August, sunrise is at 6:17 am and sunset at 7:25 pm CDT.

Sunshine

With an average of 10.3h of sunshine, August has the most sunshine of the year in Justice, Illinois.

UV index

July and August, with an average maximum UV index of 6, are months with the highest UV index in Justice. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for average individuals.
Note: An average UV index of 6 in August transforms into this advice:
Use protective steps and abide by sun safety guidelines. Safeguarding against skin and eye harm is necessary. The hours from 10 a.m. to 4 p.m. have the most intense UV radiation. As much as possible, limit direct sun exposure during this period. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in August in Justice?

During August, Justice experiences an average high-temperature of 80.6°F (27°C) and a low-temperature of 65.3°F (18.5°C). In August, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which combines relative humidity and air temperature, is calculated to be 84.2°F (29°C).

What is the average humidity in August in Justice?

The average relative humidity in August in Justice is 76%.

How much does it rain in Justice in August?

In Justice, during August, the rain falls for 17.4 days and regularly aggregates up to 3.46" (88mm) of precipitation.

When it does not snow in Justice?

May through September are months without snowfall in Justice.

How many hours of daylight does Justice have in August?

The average day length in August is 13h and 49min.

When are sunrise and sunset in August in Justice?

In August, on the first day of the month, sunrise is at 5:46 am and sunset at 8:09 pm. On the last day of the month, in Justice, sunrise is at 6:17 am and sunset at 7:25 pm CDT.

What month has the most sunshine in Justice?

August has the most sunshine of the year, with an average of 10.3h of sunshine.

How long on average sun shines in August in Justice?

The average sunshine duration in August in Justice, Illinois, is 10.3h.

What is the month with the highest UV index in Justice?

The months with the highest UV index in Justice are July and August, with an average maximum UV index of 6.

What is the UV index reading in August in Justice?

In Justice, the average daily maximum UV index in August is 6. A UV Index value of 6 to 7 symbolizes a high health threat from unprotected exposure to 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 August
Justice, IL

Average temperature in August - Justice, IL
  • Average high temperature in August: 80.6°F

The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is January (28.9°F).

  • Average low temperature in August: 65.3°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 (18.3°F).

Average pressure in August
Justice, IL

Average pressure in August - Justice, IL
  • Average pressure in August: 29.98"Hg

The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

Average wind speed in August
Justice, IL

Average wind speed in August - Justice, IL
  • Average wind speed in August: 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 August (6.3mph).

Average humidity in August
Justice, IL

Average humidity in August - Justice, IL
  • Average humidity in August: 76%

The months with the highest relative humidity are January and February (82%).
The month with the lowest relative humidity is October (72%).

Average rainfall in August
Justice, IL

Average rainfall in August - Justice, IL
  • Average rainfall in August: 3.46"

The wettest month (with the highest rainfall) is May (4.61").
The driest months (with the least rainfall) are November and December (1.77").

Average rainfall days in August
Justice, IL

Average rainfall days in August - Justice, IL
  • Average rainfall days in August: 17.4 days

The month with the highest number of rainy days is June (19.4 days).
The month with the least rainy days is February (5.9 days).

Average snowfall in August
Justice, IL

Average snowfall in August - Justice, IL
  • Average snowfall in August: 0"

The month with the highest snowfall is February (5.28").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in August
Justice, IL

Average snowfall days in August - Justice, IL
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (13.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in August /
Average sunshine in August
Justice, IL

Average daylight in August / Average sunshine in August - Justice, IL
  • Average daylight in August: 13h and 5min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in August: 10h and 2min

The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).

Average sunshine days in August
Justice, IL

Average sunshine days in August - Justice, IL
  • Average sunshine days in August: 9.5 days

The month with the most sunshine days is November (16.1 days).
The month with the least sunshine days is June (8.2 days).

Average UV index in August
Justice, IL

Average UV index in August - Justice, IL
  • Average UV index in August: 6

The months with the highest UV index are July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in August
Justice, IL

Average cloud cover in August - Justice, IL
  • Average cloud cover in August: 29

The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 29).

Average visibility in August
Justice, IL

Average visibility in August - Justice, IL
  • Average visibility in August: 6mi

The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).

Justice, Illinois, USA

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