August weather forecast
East Gillespie, IL

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Weather in August

August, the last month of the summer in East Gillespie, is also a moderately hot month, with temperature in the range of an average low of 65.5°F (18.6°C) and an average high of 82.9°F (28.3°C).

Temperature

East Gillespie's August average high-temperature settles at a still moderately hot 82.9°F (28.3°C), showing a near match with the preceding month. The temperature lowers to an average of 65.5°F (18.6°C) during August nights.

Heat index

The heat index value during August is evaluated at a hot 91.4°F (33°C). Take extra precautions, as heat cramps and heat exhaustion are possible. Sustained activity may result in heatstroke.
It is crucial to understand that heat index figures are for shade and gentle wind conditions. A rise of up to 15 Fahrenheit (8 Celsius) degrees in the heat index could result from direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is a calculation that merges air temperature and relative humidity to depict the sensation of warmth. This effect is personal, shaped by the individual's physical activity and heat sensitivity, influenced by factors including wind, clothing, and metabolic variances. With direct sunlight, be aware that it might enhance the heat sensation, raising the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Children often do not understand the need to rest and hydrate. Thirst is a late manifestation of dehydration - therefore, it is essential to stay hydrated, particularly during prolonged physical activities.

Humidity

In August, the average relative humidity is 80%.

Rainfall

In East Gillespie, during August, the rain falls for 12.1 days and regularly aggregates up to 1.57" (40mm) of precipitation. In East Gillespie, during the entire year, the rain falls for 121.4 days and collects up to 14.72" (374mm) of precipitation.

Snowfall

In East Gillespie, snow does not fall in April through October.

Daylight

The average length of the day in August is 13h and 39min.
On the first day of August, sunrise is at 6:00 am and sunset at 8:10 pm. On the last day of the month, sunrise is at 6:27 am and sunset at 7:30 pm CDT.

Sunshine

In East Gillespie, the average sunshine in August is 9.9h.

UV index

The months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: A maximum daily UV index of 6 during August morphs into the following directions:
Persist with precautions and heed sun safety advice. Prevention of sunburn is compulsory. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Updated: Jul 31, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Is it hot in East Gillespie during August?

An average high-temperature, in August, in East Gillespie, is 82.9°F (28.3°C) and the average low-temperature is 65.5°F (18.6°C). The average heat index (a.k.a. 'real feel', 'felt air temperature'), which represents the influence of relative humidity on air temperature, in August is evaluated at 91.4°F (33°C).

What is the average humidity in August?

In East Gillespie, Illinois, the average relative humidity in August is 80%.

How many days does it rain in August in East Gillespie?

In East Gillespie, during August, the rain falls for 12.1 days and regularly aggregates up to 1.57" (40mm) of precipitation.

When it does not snow?

April through October are months without snowfall.

How many hours of daylight does East Gillespie have in August?

The average day length in August is 13h and 39min.

When are sunrise and sunset in August?

On the first day of August, sunrise is at 6:00 am and sunset at 8:10 pm. On the last day of the month, sunrise is at 6:27 am and sunset at 7:30 pm CDT.

How many hours of sunshine does East Gillespie have in August?

In August, the average sunshine duration is 9.9h.

What are the months with the highest UV index?

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

What is the UV index reading in August?

In August, the average daily maximum UV index is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability 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 August
East Gillespie, IL

Average temperature in August - East Gillespie, IL
  • Average high temperature in August: 82.9°F

The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is January (35.6°F).

  • Average low temperature in August: 65.5°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 (22.6°F).

Average pressure in August
East Gillespie, IL

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

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

Average wind speed in August
East Gillespie, IL

Average wind speed in August - East Gillespie, IL
  • Average wind speed in August: 5.9mph

The windiest month (with the highest average wind speed) is January (10mph).
The calmest month (with the lowest average wind speed) is July (5.8mph).

Average humidity in August
East Gillespie, IL

Average humidity in August - East Gillespie, IL
  • Average humidity in August: 80%

The month with the highest relative humidity is July (81%).
The month with the lowest relative humidity is October (71%).

Average rainfall in August
East Gillespie, IL

Average rainfall in August - East Gillespie, IL
  • Average rainfall in August: 1.57"

The wettest month (with the highest rainfall) is June (1.89").
The driest month (with the least rainfall) is February (0.67").

Average rainfall days in August
East Gillespie, IL

Average rainfall days in August - East Gillespie, IL
  • Average rainfall days in August: 12.1 days

The month with the highest number of rainy days is July (14 days).
The month with the least rainy days is January (5.8 days).

Average snowfall in August
East Gillespie, IL

Average snowfall in August - East Gillespie, IL
  • Average snowfall in August: 0"

The month with the highest snowfall is December (0.98").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in August
East Gillespie, IL

Average snowfall days in August - East Gillespie, IL
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (6.3 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
East Gillespie, IL

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

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in August: 9h and 5min

The months with the most sunshine are June and July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).

Average sunshine days in August
East Gillespie, IL

Average sunshine days in August - East Gillespie, IL
  • Average sunshine days in August: 15.3 days

The month with the most sunshine days is January (20.9 days).
The month with the least sunshine days is July (12.5 days).

Average UV index in August
East Gillespie, IL

Average UV index in August - East Gillespie, IL
  • Average UV index in August: 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 August
East Gillespie, IL

Average cloud cover in August - East Gillespie, IL
  • Average cloud cover in August: 29

The month with the most cloud cover is January (Cloud cover 52).
The months with the least cloud cover are June, July, August and September (Cloud cover 29).

Average visibility in August
East Gillespie, IL

Average visibility in August - East Gillespie, 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).

East Gillespie, Illinois, USA

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