August weather forecast
Center Grove, IA

Weather in August

The last month of the summer, August, is also a moderately hot month in Center Grove, Iowa, with average temperature ranging between min 60.4°F (15.8°C) and max 78.6°F (25.9°C).

Temperature

In August, the average high-temperature is practically the same as in July - a still warm 78.6°F (25.9°C). In Center Grove, Iowa,, the average low-temperature is 60.4°F (15.8°C).

Humidity

The average relative humidity in August is 81%.

Rainfall

In Center Grove, during August, the rain falls for 12.1 days and regularly aggregates up to 1.73" (44mm) of precipitation. Throughout the year, there are 135.3 rainfall days, and 27.4" (696mm) of precipitation is accumulated.

Snowfall

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

Daylight

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

Sunshine

Months with the most sunshine are July and August, with an average of 9.7h of sunshine.

UV index

In Center Grove, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to the UV radiation for ordinary individuals.
Note: In August, the average maximum UV index of 5 translate into the following recommendations:
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 Center Grove?

In Center Grove, the average relative humidity in August is 81%.

How many days does it rain in August in Center Grove?

In Center Grove, during August, the rain falls for 12.1 days and regularly aggregates up to 1.73" (44mm) of precipitation.

When it does not snow in Center Grove?

May through September are months without snowfall in Center Grove.

How many hours of daylight does Center Grove have in August?

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

What are the months with the most sunshine in Center Grove?

July and August, with an average of 9.7h of sunshine, are months with the most sunshine in Center Grove.

How many hours of sunshine does Center Grove have in August?

In Center Grove, Iowa, the average sunshine in August is 9.7h.

How high is the UV index in August in Center Grove?

In August, the average daily maximum UV index in Center Grove, Iowa, is 5. A UV Index reading of 3 to 5 represents a medium hazard to health from unprotected exposure to the UV radiation.

Average temperature in August
Center Grove, IA

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

The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (25°F).

  • Average low temperature in August: 60.4°F

The month with the highest average low temperature is July (62.8°F).
The coldest month (with the lowest average low temperature) is January (12.4°F).

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Average pressure in August
Center Grove, IA

Average pressure in August - Center Grove, 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
Center Grove, IA

Average wind speed in August - Center Grove, IA
  • Average wind speed in August: 6.8mph

The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).

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Average humidity in August
Center Grove, IA

Average humidity in August - Center Grove, IA
  • Average humidity in August: 81%

Months with the highest relative humidity are January and February (87%).
The month with the lowest relative humidity is October (76%).

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Average rainfall in August
Center Grove, IA

Average rainfall in August - Center Grove, IA
  • Average rainfall in August: 1.73"

The wettest months (with the highest rainfall) are May and June (3.7").
The driest months (with the least rainfall) are January and February (1.14").

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Average rainfall days in August
Center Grove, IA

Average rainfall days in August - Center Grove, IA
  • Average rainfall days in August: 12.1 days

The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is February (4.4 days).

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Average snowfall in August
Center Grove, IA

Average snowfall in August - Center Grove, IA
  • Average snowfall in August: 0"

The month with the highest snowfall is January (4.88").
Months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in August
Center Grove, IA

Average snowfall days in August - Center Grove, IA
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (12.8 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
Center Grove, IA

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

The month with the longest days is June (Average daylight: 15.3h).
The month with the shortest days is December (Average daylight: 9.1h).

  • Average sunshine in August: 9.7h

Months with the most sunshine are July and August (Average sunshine: 9.7h).
The month with the least sunshine is January (Average sunshine: 3.5h).

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Average sunshine days in August
Center Grove, IA

Average sunshine days in August - Center Grove, IA
  • Average sunshine days in August: 17.4 days

Months with the most sunshine days are November and December (17.5 days).
The month with the least sunshine days is June (10.3 days).

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Average UV index in August
Center Grove, IA

Average UV index in August - Center Grove, IA
  • Average UV index in August: 5

The month with the highest UV index is June (UV index 6).
Months with the lowest UV index are January, November and December (UV index 1).

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Average cloud cover in August
Center Grove, IA

Average cloud cover in August - Center Grove, IA
  • Average cloud cover in August: 32

The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 32).

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Average visibility in August
Center Grove, IA

Average visibility in August - Center Grove, 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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