August weather forecast
Bettendorf, IA

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, the last month of the summer in Bettendorf, is also a moderately hot month, with an average temperature fluctuating between 80.8°F (27.1°C) and 62.6°F (17°C).

Temperature

In August, the average high-temperature is relatively the same as in July - a still warm 80.8°F (27.1°C). The average low-temperature, in Bettendorf, is 62.6°F (17°C).

Heat index

The average heat index in August is estimated at 85.8°F (29.9°C). Constant exposure and activity lead to possible fatigue. Prolonged exercise may result in heat cramps.
Take into consideration that the heat index values are calculated for shade and light wind conditions. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature', 'feels like', 'real feel', or 'apparent temperature', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. This effect is subjective, depending on the activity and individual's heat perception influenced by various reasons (metabolic differences, pregnancy, clothing). Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.

Humidity

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

Rainfall

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

Snowfall

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

Daylight

The average length of the day in August in Bettendorf is 13h and 47min.
On the first day of August in Bettendorf, sunrise is at 5:56 am and sunset at 8:19 pm. On the last day of the month, sunrise is at 6:27 am and sunset at 7:37 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. A UV Index value of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In August, the average maximum UV index of 6 translate into the following recommendations:
Take precautions against overexposure. Protection against sun damage is needed. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the temperature in August in Bettendorf?

In August, in Bettendorf, Iowa, the average high-temperature is 80.8°F (27.1°C), and the average low-temperature is 62.6°F (17°C). In August, the average heat index (a.k.a. 'real feel', 'feels like'), which factors the actual air temperature with the relative humidity, is estimated at 85.8°F (29.9°C).

What is the average humidity in August in Bettendorf?

The average relative humidity in August in Bettendorf is 79%.

How much does it rain in Bettendorf in August?

In Bettendorf, during August, the rain falls for 13.3 days and regularly aggregates up to 1.89" (48mm) of precipitation.

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

What time are sunrise and sunset in August in Bettendorf?

In August, on the first day of the month, sunrise is at 5:56 am and sunset at 8:19 pm. On the last day of the month, in Bettendorf, Iowa, sunrise is at 6:27 am and sunset at 7:37 pm CDT.

How many hours of sunshine does Bettendorf have in August?

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

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

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

What is the UV index intensity in August in Bettendorf?

The average daily maximum UV index in August is 6. A UV Index value of 6 to 7 symbolizes a high hazard to health from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
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 47min

The month with the longest days is June (Average daylight: 15h and 8min).
The month with the shortest days is December (Average daylight: 9h and 14min).

  • Average sunshine in August: 9h and 54min

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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