August weather forecast
Cascade, IA

Weather in August

August, the last month of the summer, in Cascade, is also a moderately hot month, with average temperature varying between 78.6°F (25.9°C) and 60.6°F (15.9°C).

Temperature

In August, the average high-temperature is almost the same as in July - a still warm 78.6°F (25.9°C). The average low-temperature, in August, is 60.6°F (15.9°C).

Humidity

The average relative humidity in August is 81%.

Rainfall

In Cascade, during 12.4 rainfall days, 1.85" (47mm) of precipitation is typically accumulated. Throughout the year, there are 140.9 rainfall days, and 28.7" (729mm) of precipitation is accumulated.

Snowfall

In Cascade snow does not fall in May through September.

Daylight

In August, the average length of the day in Cascade is 13.8h.

Sunshine

Months with the most sunshine in Cascade are July and August, with an average of 9.8h of sunshine.

UV index

Months with the highest UV index are May through August, with an average maximum UV index of 5. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to the UV radiation for average individuals.
Note: In August, the average maximum UV index of 5 translate into the following recommendations:
Take precautions - Protection against sunburn is recommended. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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FAQ

What is the average humidity in August in Cascade?

In Cascade, Iowa, the average relative humidity in August is 81%.

How much does it rain in Cascade in August?

In Cascade, Iowa, in August, it is raining for 12.4 days, with typically 1.85" (47mm) of accumulated precipitation.

When it does not snow in Cascade?

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

How many hours of daylight does Cascade have in August?

In Cascade, the average length of the day in August is 13.8h.

What is the month with the most sunshine in Cascade?

Months with the most sunshine in Cascade, Iowa, are July and August, with an average of 9.8h of sunshine.

How many hours of sunshine does Cascade have in August?

In Cascade, the average sunshine in August is 9.8h.

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

May through August, with an average maximum UV index of 5, are months with the highest UV index in Cascade.

What is the UV index intensity in August in Cascade?

In August, the average daily maximum UV index in Cascade, Iowa, is 5. A UV Index of 3 to 5 symbolizes a medium health risk from unsafe exposure to the Sun's UV rays.

Average temperature in August
Cascade, IA

Average temperature in August - Cascade, IA
  • Average high temperature in August: 78.6°F

The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (24.6°F).

  • Average low temperature in August: 60.6°F

The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (12.6°F).

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Average pressure in August
Cascade, IA

Average pressure in August - Cascade, IA
  • Average pressure in August: 29.97"

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

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Average wind speed in August
Cascade, IA

Average wind speed in August - Cascade, IA
  • Average wind speed in August: 6.9mph

The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest month (with the lowest average wind speed) is August (6.9mph).

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Average humidity in August
Cascade, IA

Average humidity in August - Cascade, IA
  • Average humidity in August: 81%

The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is October (75%).

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Average rainfall in August
Cascade, IA

Average rainfall in August - Cascade, IA
  • Average rainfall in August: 1.85"

The wettest month (with the highest rainfall) is May (4.17").
The driest month (with the least rainfall) is January (1.22").

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Average rainfall days in August
Cascade, IA

Average rainfall days in August - Cascade, IA
  • Average rainfall days in August: 12.4 days

The month with the highest number of rainy days is June (18 days).
The month with the least rainy days is January (4.7 days).

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Average snowfall in August
Cascade, IA

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

The month with the highest snowfall is January (4.96").
Months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in August
Cascade, IA

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

The month with the highest number of snowfall days is January (12.2 days).
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
Cascade, IA

Average daylight in August / Average sunshine in August - Cascade, IA
  • Average daylight in August: 13.8h

The month with the longest days is June (Average daylight: 15.2h).
The month with the shortest days is December (Average daylight: 9.1h).

  • Average sunshine in August: 9.8h

Months with the most sunshine are July and August (Average sunshine: 9.8h).
The month with the least sunshine is January (Average sunshine: 3.7h).

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Average sunshine days in August
Cascade, IA

Average sunshine days in August - Cascade, IA
  • Average sunshine days in August: 16.3 days

The month with the most sunshine days is December (17.3 days).
The month with the least sunshine days is June (10.3 days).

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Average UV index in August
Cascade, IA

Average UV index in August - Cascade, IA
  • Average UV index in August: 5

Months with the highest UV index are May, June, July and August (UV index 5).
Months with the lowest UV index are January and December (UV index 1).

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Average cloud cover in August
Cascade, IA

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

The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 31).

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Average visibility in August
Cascade, IA

Average visibility in August - Cascade, IA
  • Average visibility in August: 6mi

Months with the highest visibility are February, March, April, May, June, August, September, October, November and December (6mi).
Months with the lowest visibility are January and July (5mi).

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