August weather forecast
Allerton, IA

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Weather in August

The last month of the summer, August, is another warm month in Allerton, Iowa, with an average temperature ranging between min 63.7°F (17.6°C) and max 82°F (27.8°C).

Temperature

The transition into August notes an average high-temperature of a still warm 82°F (27.8°C), revealing a mild distinction from the 83.3°F (28.5°C) in July. During August, Allerton records an average temperature of 63.7°F (17.6°C) at night.

Heat index

During August, the heat index is calculated to be a hot 87.8°F (31°C). Persisting in activity during exposure could lead to weariness and subsequently to heat cramps.
Know that the heat index computations account for shaded terrains and slight winds. 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 'real feel' or 'felt air temperature', is a measure of how hot it feels when the actual air humidity is factored in. A person's impression of weather can be shaped by many aspects, among them metabolic variations, pregnancy, and levels of physical activity. Given direct exposure to sunlight, one might experience a rise in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Young ones generally face higher dangers than adults since they sweat less. Along with their large skin surface area compared totheir small bodies and increased heat production from their activities, the risks are heightened.

Humidity

In August, the average relative humidity in Allerton is 78%.

Rainfall

In Allerton, in August, during 13.5 rainfall days, 2.2" (56mm) of precipitation is typically accumulated. Throughout the year, in Allerton, Iowa, there are 125.7 rainfall days, and 20.39" (518mm) of precipitation is accumulated.

Snowfall

In Allerton, snow does not fall in June through September.

Daylight

In August, the average length of the day in Allerton is 13h and 44min.
On the first day of the month, sunrise is at 6:10 am and sunset at 8:28 pm. On the last day of August, in Allerton, sunrise is at 6:40 am and sunset at 7:46 pm CDT.

Sunshine

In August, the average sunshine in Allerton is 10h.

UV index

The months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: In August, a daily maximum UV index of 6 leads to the following instructions:
Prevent overexposure. Protection from the sun's harmful effects is needed. It's important to stay in the shade and limit exposure to the sun from 10 a.m. to 4 p.m., when UV radiation is most intense, although remember that shade structures may not provide full sun protection. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
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Frequently asked questions

What is the average August temperature in Allerton?

In Allerton, 82°F (27.8°C) is the average high-temperature and 63.7°F (17.6°C) is the average low-temperature during August. The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which factors the actual air temperature with the relative humidity, in August is calculated to be 87.8°F (31°C).

What is the average humidity in August in Allerton?

In Allerton, the average relative humidity in August is 78%.

How many days does it rain in August in Allerton?

In August, in Allerton, Iowa, the rain falls for 13.5 days. Throughout August, 2.2" (56mm) of precipitation is accumulated.

When it does not snow in Allerton?

In Allerton, snow does not fall in June through September.

How many hours of daylight does Allerton have in August?

In August, the average day length in Allerton is 13h and 44min.

When are sunrise and sunset in August in Allerton?

On the first day of August in Allerton, Iowa, sunrise is at 6:10 am and sunset at 8:28 pm. On the last day of the month, sunrise is at 6:40 am and sunset at 7:46 pm CDT.

How long on average sun shines in August in Allerton?

The average sunshine duration in August in Allerton is 10h.

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

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 Allerton?

The average daily maximum UV index in August in Allerton is 6. A UV Index value 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
Allerton, IA

Average temperature in August - Allerton, IA
  • Average high temperature in August: 82°F

The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (30°F).

  • Average low temperature in August: 63.7°F

The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (16.5°F).

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Average pressure in August
Allerton, IA

Average pressure in August - Allerton, IA
  • Average pressure in August: 29.96"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).

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Average wind speed in August
Allerton, IA

Average wind speed in August - Allerton, IA
  • Average wind speed in August: 7mph

The windiest months (with the highest average wind speed) are January and March (10.6mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).

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Average humidity in August
Allerton, IA

Average humidity in August - Allerton, IA
  • Average humidity in August: 78%

The month with the highest relative humidity is June (83%).
The month with the lowest relative humidity is October (72%).

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Average rainfall in August
Allerton, IA

Average rainfall in August - Allerton, IA
  • Average rainfall in August: 2.2"

The wettest month (with the highest rainfall) is June (3.31").
The driest months (with the least rainfall) are January and December (0.71").

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Average rainfall days in August
Allerton, IA

Average rainfall days in August - Allerton, IA
  • Average rainfall days in August: 13.5 days

The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is January (4.5 days).

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Average snowfall in August
Allerton, IA

Average snowfall in August - Allerton, IA
  • Average snowfall in August: 0"

The month with the highest snowfall is January (3.23").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in August
Allerton, IA

Average snowfall days in August - Allerton, IA
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (8.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in August /
Average sunshine in August
Allerton, IA

Average daylight in August / Average sunshine in August - Allerton, IA
  • Average daylight in August: 13h and 4min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in August: 10h and 0min

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

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Average sunshine days in August
Allerton, IA

Average sunshine days in August - Allerton, IA
  • Average sunshine days in August: 14.3 days

The month with the most sunshine days is November (21.1 days).
The month with the least sunshine days is June (10.7 days).

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Average UV index in August
Allerton, IA

Average UV index in August - Allerton, IA
  • Average UV index in August: 6

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

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Average cloud cover in August
Allerton, IA

Average cloud cover in August - Allerton, IA
  • 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 July, August and September (Cloud cover 29).

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Average visibility in August
Allerton, IA

Average visibility in August - Allerton, IA
  • 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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Allerton, Iowa, USA

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