August weather forecast and climate
Cedar Rapids, IA

Nice aerial capture of the skyline over Cedar Rapids in Iowa
Nice aerial capture of the skyline over Cedar Rapids in Iowa

Weather in August

The last month of the summer, August, is another warm month in Cedar Rapids, Iowa, with average temperature varying between 79.5°F (26.4°C) and 62.1°F (16.7°C).

Temperature

In Cedar Rapids, Iowa, the average high-temperature in August is practically the same as in July - a still warm 79.5°F (26.4°C). In August, the average low-temperature is 62.1°F (16.7°C).

Humidity

In Cedar Rapids, Iowa, the average relative humidity is 80%.

Rainfall

In Cedar Rapids, it is raining for 11.9 days, with typically 1.22" (31mm) of accumulated precipitation. Throughout the year, there are 120.7 rainfall days, and 18.31" (465mm) of precipitation is accumulated.

Snowfall

May through September are months without snowfall in Cedar Rapids, Iowa.

Daylight

In Cedar Rapids, the average length of the day is 13.8h.

Sunshine

In Cedar Rapids, Iowa, the average sunshine is 9.9h.

UV index

In August, the average daily maximum UV index in Cedar Rapids is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from the exposure to the Sun's UV rays for the average person.
Note: The average daily UV index of 5 transform into the following instructions:
Take precautions - Protection against sun damage is advised. 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 Cedar Rapids?

The average relative humidity in August is 80%.

How much does it rain in Cedar Rapids in August?

In August, in Cedar Rapids, the rain falls for 11.9 days. Throughout August, 1.22" (31mm) of precipitation is accumulated.

When it does not snow in Cedar Rapids?

May through September are months without snowfall in Cedar Rapids.

How many hours of daylight does Cedar Rapids have in August?

The average length of the day in August is 13.8h.

How long on average sun shines in August in Cedar Rapids?

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

What is the UV index reading in August in Cedar Rapids?

The average daily maximum UV index in August in Cedar Rapids, Iowa, is 5. A UV Index estimate of 3 to 5 represents a medium hazard to health from the exposure to the Sun's UV rays.

Average temperature in August
Cedar Rapids, IA

Average temperature in August - Cedar Rapids, IA
  • Average high temperature in August: 79.5°F

The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (26.2°F).

  • Average low temperature in August: 62.1°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 (14.2°F).

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Average pressure in August
Cedar Rapids, IA

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

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

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Average wind speed in August
Cedar Rapids, IA

Average wind speed in August - Cedar Rapids, IA
  • Average wind speed in August: 7mph

The windiest months (with the highest average wind speed) are January and April (10.7mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).

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Average humidity in August
Cedar Rapids, IA

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

The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is October (73%).

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Average rainfall in August
Cedar Rapids, IA

Average rainfall in August - Cedar Rapids, IA
  • Average rainfall in August: 1.22"

The wettest month (with the highest rainfall) is May (3.07").
The driest months (with the least rainfall) are January and February (0.63").

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Average rainfall days in August
Cedar Rapids, IA

Average rainfall days in August - Cedar Rapids, IA
  • Average rainfall days in August: 11.9 days

The month with the highest number of rainy days is May (16 days).
The month with the least rainy days is February (3 days).

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Average snowfall in August
Cedar Rapids, IA

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

The month with the highest snowfall is January (2.64").
Months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in August
Cedar Rapids, IA

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

The month with the highest number of snowfall days is January (10.3 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
Cedar Rapids, IA

Average daylight in August / Average sunshine in August - Cedar Rapids, 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: 9.2h).

  • Average sunshine in August: 9.9h

The month with the most sunshine is July (Average sunshine: 10h).
The month with the least sunshine is January (Average sunshine: 4.1h).

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Average sunshine days in August
Cedar Rapids, IA

Average sunshine days in August - Cedar Rapids, IA
  • Average sunshine days in August: 17 days

The month with the most sunshine days is October (19.9 days).
The month with the least sunshine days is June (11.8 days).

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Average UV index in August
Cedar Rapids, IA

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

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

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Average cloud cover in August
Cedar Rapids, IA

Average cloud cover in August - Cedar Rapids, IA
  • Average cloud cover in August: 30

The month with the most cloud cover is January (Cloud cover 57).
Months with the least cloud cover are August and September (Cloud cover 30).

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Average visibility in August
Cedar Rapids, IA

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

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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