August weather forecast
Staunton, IL

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Weather in August

The last month of the summer, August, is another warm month in Staunton, Illinois, with an average temperature fluctuating between 82.9°F (28.3°C) and 65.5°F (18.6°C).

Temperature

The arrival of August records an average high-temperature of a still warm 82.9°F (28.3°C), closely related to the 84.2°F (29°C) observed in July. Throughout August, an average low-temperature of 65.5°F (18.6°C) is expected in Staunton, Illinois.

Heat index

The heat index for August is appraised at a hot 91.4°F (33°C). Greater preventive actions are needed, heat exhaustion and heat cramps are likely. Persistent activity could provoke heatstroke.
From a standpoint of the heat index, values pertain to shaded conditions and mild breezes. Heat index values have the potential to be boosted by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'real feel', gives a temperature feeling by integrating air temperature and humidity. 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. When in direct sunlight, one should be cautious as it can raise the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Young ones often ignore the need to take a break and drink fluids. Thirst is a late-stage symptom of dehydration - hence, maintaining hydration, particularly during extended physical activities, is crucial.

Humidity

In August, the average relative humidity is 80%.

Rainfall

In August, the rain falls for 12.1 days. Throughout August, 1.57" (40mm) of precipitation is accumulated. In Staunton, during the entire year, the rain falls for 121.4 days and collects up to 14.72" (374mm) of precipitation.

Snowfall

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

Daylight

The average length of the day in August is 13h and 38min.
On the first day of the month, sunrise is at 6:00 am and sunset at 8:10 pm. On the last day of August, sunrise is at 6:27 am and sunset at 7:30 pm CDT.

Sunshine

In August, the average sunshine in Staunton, Illinois, is 9.9h.

UV index

The months with the highest UV index in Staunton are June through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for the average person.
Note: The maximum UV index of 6 during August translates into these guidelines:
Ward off overexposure. Defence against solar harm is crucial. From 10 a.m. to 4 p.m., when UV radiation is at its strongest, limit direct exposure to the Sun and note that shade structures may not provide full sun protection. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is August in Staunton?

The high-temperature, in August, in Staunton, records 82.9°F (28.3°C), while the low-temperature is 65.5°F (18.6°C). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which represents the influence of relative humidity on air temperature, in August is appraised at 91.4°F (33°C).

What is the average humidity in August in Staunton?

In August, the average relative humidity is 80%.

How many days does it rain in August in Staunton?

In Staunton, Illinois, in August, during 12.1 rainfall days, 1.57" (40mm) of precipitation is typically accumulated.

When it does not snow in Staunton?

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

What is the average length of the day in August in Staunton?

The average day length in August in Staunton, Illinois, is 13h and 38min.

When are sunrise and sunset in August in Staunton?

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 Staunton have in August?

In Staunton, the average sunshine duration in August is 9.9h.

When is the highest UV index in Staunton?

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

What is the UV index intensity in August in Staunton?

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

Average temperature in August - Staunton, 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
Staunton, IL

Average pressure in August - Staunton, 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
Staunton, IL

Average wind speed in August - Staunton, 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
Staunton, IL

Average humidity in August - Staunton, 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
Staunton, IL

Average rainfall in August - Staunton, 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
Staunton, IL

Average rainfall days in August - Staunton, 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
Staunton, IL

Average snowfall in August - Staunton, 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
Staunton, IL

Average snowfall days in August - Staunton, 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
Staunton, IL

Average daylight in August / Average sunshine in August - Staunton, 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
Staunton, IL

Average sunshine days in August - Staunton, 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
Staunton, IL

Average UV index in August - Staunton, 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
Staunton, IL

Average cloud cover in August - Staunton, 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
Staunton, IL

Average visibility in August - Staunton, 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).

Staunton, Illinois, USA

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