August weather forecast
Creston, IA

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Weather in August

The last month of the summer, August, is also a moderately hot month in Creston, Iowa, with an average temperature varying between 81°F (27.2°C) and 63°F (17.2°C).

Temperature

The dawn of August sees an average high-temperature of a still warm 81°F (27.2°C), subtly contrasting with July's 82.9°F (28.3°C). The low-temperature average for Creston during August stands at a comfortable 63°F (17.2°C).

Heat index

The average heat index in August is computed to be a hot 86°F (30°C). If one sustains activity during exposure, it could lead to a sense of fatigue, with a chance of heat cramps.
Heat index details are generally centered around shaded locations and a mild breeze. 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 'feels like' or 'apparent temperature', is an aggregate value of air's warmth and moisture to show the human-felt temperature. The impression of weather on a person can be swayed by additional aspects, including metabolic variations, pregnancy, and activity levels. In direct sunlight, the heat's impact can be heightened, potentially leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Kids generally face higher risks than adults as they sweat less. Along with their large skin surface compared to their small bodies and higher heat production due to their activities, their vulnerability is increased.

Humidity

In Creston, the average relative humidity in August is 79%.

Rainfall

In Creston, during August, the rain falls for 13.8 days and regularly aggregates up to 2.44" (62mm) of precipitation. Throughout the year, in Creston, there are 127.7 rainfall days, and 23.39" (594mm) of precipitation is accumulated.

Snowfall

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

Daylight

In Creston, the average length of the day in August is 13h and 46min.
On the first day of August in Creston, sunrise is at 6:14 am and sunset at 8:33 pm. On the last day of the month, sunrise is at 6:43 am and sunset at 7:51 pm CDT.

Sunshine

In Creston, the average sunshine in August is 9.7h.

UV index

The months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for the average person.
Note: In August, a daily UV index of 6 turns into the following recommendations:
Eschew overexposure. Those with light skin may suffer burns in fewer than 20 minutes. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is at its strongest, and remember that parasols or canopies do not offer full protection. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
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Frequently asked questions

What is the temperature in August in Creston?

The high-temperature, in August, in Creston, is 81°F (27.2°C), while the low-temperature averages to 63°F (17.2°C). In August, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which combines relative humidity and air temperature, is computed to be 86°F (30°C).

What is the average humidity in August in Creston?

In August, the average relative humidity is 79%.

How much does it rain in Creston in August?

In Creston, Iowa, in August, during 13.8 rainfall days, 2.44" (62mm) of precipitation is typically accumulated.

When it does not snow in Creston?

In Creston, Iowa, snow does not fall in June through September.

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

The average day length in August is 13h and 46min.

When are sunrise and sunset in August in Creston?

In August, on the first day of the month, sunrise is at 6:14 am and sunset at 8:33 pm. On the last day of the month, in Creston, Iowa, sunrise is at 6:43 am and sunset at 7:51 pm CDT.

How many hours of sunshine does Creston have in August?

In August, the average sunshine duration in Creston is 9.7h.

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

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

How high is the UV index in August in Creston?

In August, the average daily maximum UV index in Creston is 6. A UV Index reading of 6 to 7 represents 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
Creston, IA

Average temperature in August - Creston, IA
  • Average high temperature in August: 81°F

The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (29.1°F).

  • Average low temperature in August: 63°F

The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (15.8°F).

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Average pressure in August
Creston, IA

Average pressure in August - Creston, 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 (29.88"Hg).

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Average wind speed in August
Creston, IA

Average wind speed in August - Creston, IA
  • Average wind speed in August: 7.1mph

The windiest months (with the highest average wind speed) are January and February (10.7mph).
The calmest months (with the lowest average wind speed) are July and August (7.1mph).

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Average humidity in August
Creston, IA

Average humidity in August - Creston, IA
  • Average humidity in August: 79%

The months with the highest relative humidity are January and June (82%).
The month with the lowest relative humidity is October (71%).

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Average rainfall in August
Creston, IA

Average rainfall in August - Creston, IA
  • Average rainfall in August: 2.44"

The wettest month (with the highest rainfall) is June (4.17").
The driest month (with the least rainfall) is January (0.75").

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Average rainfall days in August
Creston, IA

Average rainfall days in August - Creston, IA
  • Average rainfall days in August: 13.8 days

The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is January (3.7 days).

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Average snowfall in August
Creston, IA

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

The month with the highest snowfall is January (3.15").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in August
Creston, IA

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

The month with the highest number of snowfall days is January (8.7 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
Creston, IA

Average daylight in August / Average sunshine in August - Creston, IA
  • Average daylight in August: 13h and 5min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in August: 9h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).

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Average sunshine days in August
Creston, IA

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

The month with the most sunshine days is November (20.2 days).
The month with the least sunshine days is May (10.7 days).

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Average UV index in August
Creston, IA

Average UV index in August - Creston, 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
Creston, IA

Average cloud cover in August - Creston, IA
  • Average cloud cover in August: 31

The month with the most cloud cover is January (Cloud cover 53).
The months with the least cloud cover are July and September (Cloud cover 30).

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Average visibility in August
Creston, IA

Average visibility in August - Creston, 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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Creston, Iowa, USA

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