August weather forecast
Bettendorf, IA

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Modern homes in an estate in Bettendorf, Iowa, set in a luxurious and serene environment overlooking the calm sea out front
Modern homes in an estate in Bettendorf, Iowa, set in a luxurious and serene environment overlooking the calm sea out front

Weather in August

August experiences similar weather to July, with temperatures averaging out at around 80.8°F (27.1°C). The daylight hours start to decrease slowly as the summer begins to wane. However, the decrease does not significantly affect the amount of sunlight Bettendorf gets. Rainfall continues to maintain a balance, providing relief from the heat. However, the city continues to stay bright and sunny, with just enough rainfall to keep the surroundings lush and green.

Temperature

Bettendorf experiences an average high-temperature of a still moderately hot 80.8°F (27.1°C) in August, marking an insignificant shift from 81.7°F (27.6°C) in July. Bettendorf's average low-temperature is measured at a refreshing 62.6°F (17°C) during August.

Heat index

Throughout August, the heat index is evaluated at a tropical 86°F (30°C). Staying active during long-term exposure might result in a state of exhaustion and cause heat cramps.
In the scope of the heat index, its values resonate with shade and light wind conditions. Exposing to direct sunshine may enhance heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', gives an indication of how one might feel in terms of heat after considering humidity. This effect is personal, influenced by the individual's physical activity and heat sensitivity, shaped by factors including wind, attire, and metabolic variations. Under direct sun rays, the felt temperature might be heightened, with the heat index increasing by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Kids are usually more vulnerable than adults, given their lesser sweating ability. Along with their larger skin surface relative to their small stature and the excess heat due to their activity, their risk is amplified.

Humidity

In August, the average relative humidity is 79%.

Rainfall

In Bettendorf, in August, during 13.3 rainfall days, 1.89" (48mm) of precipitation is typically accumulated. Throughout the year, there are 138.1 rainfall days, and 27.32" (694mm) of precipitation is accumulated.

Snowfall

In Bettendorf, snow does not fall in May through September.

Daylight

In Bettendorf, the average length of the day in August is 13h and 47min.
On the first day of the month, sunrise is at 5:57 am and sunset at 8:19 pm. On the last day of August, in Bettendorf, sunrise is at 6:27 am and sunset at 7:36 pm CDT.

Sunshine

In Bettendorf, the average sunshine in August is 9.9h.

UV index

July and August, with an average maximum UV index of 6, are months with the highest UV index in Bettendorf. A UV Index estimate of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for average individuals.
Note: The daily high UV index of 6 in August translates into this advice:
Implement preventive steps and embrace sun safety standards. Protection from skin and eye distress is compulsory. UV radiation from the Sun is most intense between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
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Frequently asked questions

What is the usual temperature for Bettendorf in August?

August temperatures in Bettendorf, Iowa, vary between a high-temperature of 80.8°F (27.1°C) and a low-temperature of 62.6°F (17°C). The average heat index (a.k.a. 'feels like', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, in August is evaluated at 86°F (30°C).

What is the average humidity in August in Bettendorf?

In August, the average relative humidity is 79%.

How much does it rain in Bettendorf in August?

In Bettendorf, Iowa, in August, during 13.3 rainfall days, 1.89" (48mm) of precipitation is typically accumulated.

When it does not snow in Bettendorf?

May through September are months without snowfall in Bettendorf, Iowa.

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

In August, the average day length in Bettendorf is 13h and 47min.

What time are sunrise and sunset in August in Bettendorf?

On the first day of August in Bettendorf, Iowa, sunrise is at 5:57 am and sunset at 8:19 pm. On the last day of the month, sunrise is at 6:27 am and sunset at 7:36 pm CDT.

How many hours of sunshine does Bettendorf have in August?

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

When is the highest UV index in Bettendorf?

July and August, with an average maximum UV index of 6, are months with the highest UV index in Bettendorf.

How high is the UV index in August in Bettendorf?

In Bettendorf, the average daily maximum UV index in August 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
Bettendorf, IA

Average temperature in August - Bettendorf, IA
  • Average high temperature in August: 80.8°F

The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (28°F).

  • Average low temperature in August: 62.6°F

The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (15.6°F).

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Average pressure in August
Bettendorf, IA

Average pressure in August - Bettendorf, IA
  • Average pressure in August: 29.97"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

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Average wind speed in August
Bettendorf, IA

Average wind speed in August - Bettendorf, IA
  • Average wind speed in August: 6.7mph

The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is August (6.7mph).

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Average humidity in August
Bettendorf, IA

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

The months with the highest relative humidity are January and July (83%).
The month with the lowest relative humidity is October (71%).

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Average rainfall in August
Bettendorf, IA

Average rainfall in August - Bettendorf, IA
  • Average rainfall in August: 1.89"

The wettest month (with the highest rainfall) is May (4.49").
The driest month (with the least rainfall) is February (1.1").

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Average rainfall days in August
Bettendorf, IA

Average rainfall days in August - Bettendorf, IA
  • Average rainfall days in August: 13.3 days

The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is January (4.3 days).

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Average snowfall in August
Bettendorf, IA

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

The month with the highest snowfall is January (3.98").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in August
Bettendorf, IA

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

The month with the highest number of snowfall days is January (10.9 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
Bettendorf, IA

Average daylight in August / Average sunshine in August - Bettendorf, 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 12min).

  • Average sunshine in August: 9h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).

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Average sunshine days in August
Bettendorf, IA

Average sunshine days in August - Bettendorf, IA
  • Average sunshine days in August: 15.7 days

The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is May (11.4 days).

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Average UV index in August
Bettendorf, IA

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

The months with the highest UV index are 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
Bettendorf, IA

Average cloud cover in August - Bettendorf, IA
  • Average cloud cover in August: 30

The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 30).

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Average visibility in August
Bettendorf, IA

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

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