August weather forecast
Allens Spring, IL

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Weather in August

The last month of the summer, August, is another hot month in Allens Spring, Illinois, with temperature in the range of an average low of 66.7°F (19.3°C) and an average high of 86.5°F (30.3°C).

Temperature

On the advent of August, Allens Spring's average high-temperature exhibits a minor adjustment to a still tropical 86.5°F (30.3°C) from July's 88°F (31.1°C). Allens Spring reports an average low-temperature of 66.7°F (19.3°C) during the nights of August.

Heat index

The heat index in August is computed to be a very hot 98.6°F (37°C). Adopt extra safety steps, risk of heat exhaustion and heat cramps is notable. Sustained activity might cause heatstroke.
Take into consideration that the heat index values are calculated for shade and light wind conditions. Being exposed to direct sunshine might trigger a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', determines the feeling of heat when you account for the relative humidity. A person's impression of weather can be swayed by numerous aspects, among them metabolic variations, pregnancy, and activity levels. When you're directly under the sun's rays, remember that the heat index may surge by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.
When faced with excessive heat, the human body begins to perspire, utilizing the cooling benefits of sweat evaporation. Augmented relative humidity impedes typical body cooling mechanisms by lowering the evaporation rate, resulting in decreased body cooling and an amplified perception of heat. If heat absorption exceeds the body's cooling ability, body temperature can elevate, resulting in potential thermal illnesses.

Humidity

In August, the average relative humidity is 76%.

Rainfall

In Allens Spring, in August, during 11.9 rainfall days, 1.3" (33mm) of precipitation is typically accumulated. In Allens Spring, during the entire year, the rain falls for 118.3 days and collects up to 13.03" (331mm) of precipitation.

Snowfall

April through October are months without snowfall.

Daylight

The average length of the day in August in Allens Spring is 13h and 33min.
On the first day of the month, sunrise is at 5:59 am and sunset at 8:02 pm. On the last day of August, sunrise is at 6:24 am and sunset at 7:24 pm CDT.

Sunshine

The average sunshine in August in Allens Spring is 10.3h.

UV index

The months with the highest UV index in Allens Spring are May 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 ordinary individuals.
Note: The maximum UV index of 6 during August translates into these guidelines:
Enforce precautions and stick to sun safety measures. Preservation from skin and eye damage is essential. Seek shade and limit direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Keep in mind that shade structures like parasols or canopies do not offer complete sun protection. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
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Frequently asked questions

How hot is August in Allens Spring?

In August, in Allens Spring, the average high-temperature is 86.5°F (30.3°C), and the average low-temperature is 66.7°F (19.3°C). In August, the average heat index (a.k.a. 'feels like', 'real feel'), which combines relative humidity and air temperature, is computed to be 98.6°F (37°C).

What is the average humidity in August in Allens Spring?

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

How many days does it rain in August in Allens Spring?

In Allens Spring, during August, the rain falls for 11.9 days and regularly aggregates up to 1.3" (33mm) of precipitation.

When it does not snow in Allens Spring?

April through October are months without snowfall.

What is the average length of the day in August in Allens Spring?

The average day length in August in Allens Spring is 13h and 33min.

When is the sunrise / sunset in August in Allens Spring?

On the first day of August in Allens Spring, sunrise is at 5:59 am and sunset at 8:02 pm. On the last day of the month, sunrise is at 6:24 am and sunset at 7:24 pm CDT.

How long on average sun shines in August in Allens Spring?

The average sunshine duration in August is 10.3h.

What is the month with the highest UV index in Allens Spring?

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

What is the UV index intensity in August in Allens Spring?

In August, the average daily maximum UV index in Allens Spring, Illinois, is 6. A UV Index value of 6 to 7 symbolizes a high health risk 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
Allens Spring, IL

Average temperature in August - Allens Spring, IL
  • Average high temperature in August: 86.5°F

The warmest month (with the highest average high temperature) is July (88°F).
The month with the lowest average high temperature is January (40.1°F).

  • Average low temperature in August: 66.7°F

The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (27°F).

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Average pressure in August
Allens Spring, IL

Average pressure in August - Allens Spring, 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 (29.94"Hg).

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Average wind speed in August
Allens Spring, IL

Average wind speed in August - Allens Spring, IL
  • Average wind speed in August: 5.7mph

The windiest months (with the highest average wind speed) are January and February (9mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).

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Average humidity in August
Allens Spring, IL

Average humidity in August - Allens Spring, IL
  • Average humidity in August: 76%

The months with the highest relative humidity are March and May (79%).
The month with the lowest relative humidity is October (71%).

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Average rainfall in August
Allens Spring, IL

Average rainfall in August - Allens Spring, IL
  • Average rainfall in August: 1.3"

The wettest month (with the highest rainfall) is June (1.5").
The driest month (with the least rainfall) is September (0.47").

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Average rainfall days in August
Allens Spring, IL

Average rainfall days in August - Allens Spring, IL
  • Average rainfall days in August: 11.9 days

The month with the highest number of rainy days is July (13.1 days).
The months with the least rainy days are January, February and December (7.3 days).

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Average snowfall in August
Allens Spring, IL

Average snowfall in August - Allens Spring, IL
  • Average snowfall in August: 0"

The month with the highest snowfall is February (0.67").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in August
Allens Spring, IL

Average snowfall days in August - Allens Spring, IL
  • Average snowfall days in August: 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 and September (0 days).

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Average daylight in August /
Average sunshine in August
Allens Spring, IL

Average daylight in August / Average sunshine in August - Allens Spring, 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 months with the most sunshine are June and July (Average sunshine: 10h and 24min).
The months with the least sunshine are January and February (Average sunshine: 4h and 36min).

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Average sunshine days in August
Allens Spring, IL

Average sunshine days in August - Allens Spring, IL
  • Average sunshine days in August: 16.3 days

The month with the most sunshine days is October (21.5 days).
The month with the least sunshine days is June (14.8 days).

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Average UV index in August
Allens Spring, IL

Average UV index in August - Allens Spring, 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
Allens Spring, IL

Average cloud cover in August - Allens Spring, IL
  • Average cloud cover in August: 30

The months with the most cloud cover are January and February (Cloud cover 51).
The month with the least cloud cover is September (Cloud cover 28).

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Average visibility in August
Allens Spring, IL

Average visibility in August - Allens Spring, 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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Allens Spring, Illinois, USA

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