August weather forecast
Cedar Valley, IA

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Weather in August

The last month of the summer, August, is another warm month in Cedar Valley, Iowa, with an average temperature varying between 62.2°F (16.8°C) and 80.4°F (26.9°C).

Temperature

As Cedar Valley transitions into August, the average high-temperature stands at a still warm 80.4°F (26.9°C), offering little variation from the preceding month. In Cedar Valley, in August, the average low-temperature is a comfortable 62.2°F (16.8°C).

Humidity

In Cedar Valley, Iowa, the average relative humidity in August is 80%.

Rainfall

In Cedar Valley, in August, during 13.1 rainfall days, 2.01" (51mm) of precipitation is typically accumulated. In Cedar Valley, Iowa, during the entire year, the rain falls for 139.1 days and collects up to 29.57" (751mm) of precipitation.

Snowfall

May through September are months without snowfall in Cedar Valley.

Daylight

In Cedar Valley, the average length of the day in August is 13h and 48min.
On the first day of August in Cedar Valley, sunrise is at 5:59 am and sunset at 8:22 pm. On the last day of the month, sunrise is at 6:30 am and sunset at 7:39 pm CDT.

Sunshine

In Cedar Valley, Iowa, the average sunshine in August is 9.9h.

UV index

The average daily maximum UV index in August in Cedar Valley is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: A maximum daily UV index of 5 during August morphs into the following directions:
Exercise care. People with light skin might get burns in fewer than 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
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Frequently asked questions

What is the temperature in August in Cedar Valley?

In Cedar Valley, in August, the average high-temperature is 80.4°F (26.9°C), and the average low-temperature is 62.2°F (16.8°C). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines air temperature and relative humidity, in July is evaluated at 87.8°F (31°C).

What is the average humidity in August in Cedar Valley?

The average relative humidity in August in Cedar Valley, Iowa, is 80%.

How many days does it rain in August in Cedar Valley?

In August, the rain falls for 13.1 days. Throughout August, 2.01" (51mm) of precipitation is accumulated.

When it does not snow in Cedar Valley?

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

What is the average length of the day in August in Cedar Valley?

The average day length in August in Cedar Valley is 13h and 48min.

When is the sunrise / sunset in August in Cedar Valley?

In August, on the first day of the month, sunrise is at 5:59 am and sunset at 8:22 pm. On the last day of the month, in Cedar Valley, Iowa, sunrise is at 6:30 am and sunset at 7:39 pm CDT.

How many hours of sunshine does Cedar Valley have in August?

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

How high is the UV index in August in Cedar Valley?

In Cedar Valley, Iowa, the average daily maximum UV index in August is 5. A UV Index reading of 3 to 5 represents a medium hazard to health 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
Cedar Valley, IA

Average temperature in August - Cedar Valley, IA
  • Average high temperature in August: 80.4°F

The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (27.3°F).

  • Average low temperature in August: 62.2°F

The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (15.4°F).

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Average pressure in August
Cedar Valley, IA

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

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

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Average wind speed in August
Cedar Valley, IA

Average wind speed in August - Cedar Valley, IA
  • Average wind speed in August: 6.8mph

The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).

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Average humidity in August
Cedar Valley, IA

Average humidity in August - Cedar Valley, IA
  • Average humidity in August: 80%

The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (72%).

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Average rainfall in August
Cedar Valley, IA

Average rainfall in August - Cedar Valley, IA
  • Average rainfall in August: 2.01"

The wettest month (with the highest rainfall) is May (4.61").
The driest month (with the least rainfall) is January (1.3").

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Average rainfall days in August
Cedar Valley, IA

Average rainfall days in August - Cedar Valley, IA
  • Average rainfall days in August: 13.1 days

The month with the highest number of rainy days is May (18.7 days).
The month with the least rainy days is January (4.4 days).

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Average snowfall in August
Cedar Valley, IA

Average snowfall in August - Cedar Valley, IA
  • Average snowfall in August: 0"

The month with the highest snowfall is January (5.24").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in August
Cedar Valley, IA

Average snowfall days in August - Cedar Valley, IA
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (9.4 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
Cedar Valley, IA

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

The month with the longest days is June (Average daylight: 15h and 12min).
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 6min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).

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Average sunshine days in August
Cedar Valley, IA

Average sunshine days in August - Cedar Valley, IA
  • Average sunshine days in August: 14.4 days

The month with the most sunshine days is November (19 days).
The month with the least sunshine days is June (9.2 days).

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Average UV index in August
Cedar Valley, IA

Average UV index in August - Cedar Valley, IA
  • Average UV index in August: 5

The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).

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Average cloud cover in August
Cedar Valley, IA

Average cloud cover in August - Cedar Valley, IA
  • Average cloud cover in August: 29

The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 29).

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Average visibility in August
Cedar Valley, IA

Average visibility in August - Cedar Valley, IA
  • Average visibility in August: 6mi

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

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Cedar Valley, Iowa, USA

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