August weather forecast
Gibsonia, IL

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Weather in August

The last month of the summer, August, is also a moderately hot month in Gibsonia, Illinois, with an average temperature ranging between min 66.2°F (19°C) and max 84.9°F (29.4°C).

Temperature

August's arrival shows an average high-temperature of a moderately hot 84.9°F (29.4°C), hardly different from the previous month. Gibsonia, during the nights of August, experiences an average temperature drop to an enjoyable 66.2°F (19°C).

Heat index

For most parts of August, the heat index is calculated to be a fiery hot 95°F (35°C). Incorporate special precautions, risk of heat exhaustion and heat cramps is substantial. Sustained activity could cause heatstroke.
Heat index details are generally centered around shaded locations and a mild breeze. Exposure to the direct sun could elevate the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is a numerical representation of warmth when taking temperature and moisture levels into account. The influence of weather is personal, differing among a variety of individuals based on differences in body mass, stature, and the level of physical activity. Being under direct sunshine can magnify the heat experience, possibly pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it's vital to remain hydrated, particularly during prolonged physical activities.
Perspiration is the body's default response to elevated temperatures, as it promotes the evaporation of sweat to achieve cooling. Under conditions of high temperature and humidity (enhanced heat index), sweat production is compromised, exacerbating the sensation of warmth. Overheating can ensue when the body accumulates more heat than it can release, and dehydration severity may vary.

Humidity

The average relative humidity in August in Gibsonia is 77%.

Rainfall

In Gibsonia, in August, it is raining for 13.3 days, with typically 1.77" (45mm) of accumulated precipitation. In Gibsonia, during the entire year, the rain falls for 146.3 days and collects up to 24.96" (634mm) of precipitation.

Snowfall

In Gibsonia, snow does not fall in May through October.

Daylight

The average length of the day in August is 13h and 34min.
On the first day of August in Gibsonia, sunrise is at 5:57 am and sunset at 8:01 pm. On the last day of the month, sunrise is at 6:23 am and sunset at 7:23 pm CDT.

Sunshine

In Gibsonia, the average sunshine in August is 10.4h.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index in Gibsonia. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for average individuals.
Note: The UV index of 6 in August translates into these instructions:
Incorporate safeguards and honour sun safety principles. Protection from skin and eye damage is obligatory. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
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Frequently asked questions

How hot does it get in Gibsonia in August?

In August, the average high-temperature and low-temperature in Gibsonia are 84.9°F (29.4°C) and 66.2°F (19°C) respectively. In August, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which factors the actual air temperature with the relative humidity, is calculated to be 95°F (35°C).

What is the average humidity in August in Gibsonia?

The average relative humidity in August in Gibsonia is 77%.

How much does it rain in Gibsonia in August?

In Gibsonia, Illinois, during August, the rain falls for 13.3 days and regularly aggregates up to 1.77" (45mm) of precipitation.

When it does not snow in Gibsonia?

In Gibsonia, snow does not fall in May through October.

How many hours of daylight does Gibsonia have in August?

In August, the average day length is 13h and 34min.

When is the sunrise / sunset in August in Gibsonia?

On the first day of August in Gibsonia, sunrise is at 5:57 am and sunset at 8:01 pm. On the last day of the month, sunrise is at 6:23 am and sunset at 7:23 pm CDT.

How many hours of sunshine does Gibsonia have in August?

In August, the average sunshine duration in Gibsonia is 10.4h.

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

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

How high is the UV index in August in Gibsonia?

The average daily maximum UV index in August in Gibsonia, Illinois, is 6. A UV Index value of 6 to 7 symbolizes a high hazard to health from unsafe 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 August
Gibsonia, IL

Average temperature in August - Gibsonia, IL
  • Average high temperature in August: 84.9°F

The warmest month (with the highest average high temperature) is July (86.2°F).
The month with the lowest average high temperature is January (39.7°F).

  • Average low temperature in August: 66.2°F

The month with the highest average low temperature is July (68.4°F).
The coldest month (with the lowest average low temperature) is January (26.8°F).

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Average pressure in August
Gibsonia, IL

Average pressure in August - Gibsonia, IL
  • Average pressure in August: 29.99"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

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Average wind speed in August
Gibsonia, IL

Average wind speed in August - Gibsonia, IL
  • Average wind speed in August: 5.8mph

The windiest month (with the highest average wind speed) is February (9.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).

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Average humidity in August
Gibsonia, IL

Average humidity in August - Gibsonia, IL
  • Average humidity in August: 77%

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

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Average rainfall in August
Gibsonia, IL

Average rainfall in August - Gibsonia, IL
  • Average rainfall in August: 1.77"

The wettest month (with the highest rainfall) is April (3.27").
The driest month (with the least rainfall) is September (1.14").

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Average rainfall days in August
Gibsonia, IL

Average rainfall days in August - Gibsonia, IL
  • Average rainfall days in August: 13.3 days

The month with the highest number of rainy days is May (16.7 days).
The month with the least rainy days is November (9 days).

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Average snowfall in August
Gibsonia, IL

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

The month with the highest snowfall is February (0.87").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in August
Gibsonia, IL

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

The month with the highest number of snowfall days is January (4.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

Average daylight in August / Average sunshine in August - Gibsonia, IL
  • Average daylight in August: 13h and 4min

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • Average sunshine in August: 10h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).

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Average sunshine days in August
Gibsonia, IL

Average sunshine days in August - Gibsonia, IL
  • Average sunshine days in August: 15.3 days

The month with the most sunshine days is October (20.5 days).
The month with the least sunshine days is May (11.2 days).

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Average UV index in August
Gibsonia, IL

Average UV index in August - Gibsonia, IL
  • Average UV index in August: 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 and December (UV index 2).

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Average cloud cover in August
Gibsonia, IL

Average cloud cover in August - Gibsonia, IL
  • Average cloud cover in August: 28

The month with the most cloud cover is January (Cloud cover 51).
The month with the least cloud cover is June (Cloud cover 27).

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Average visibility in August
Gibsonia, IL

Average visibility in August - Gibsonia, IL
  • Average visibility in August: 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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Gibsonia, Illinois, USA

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