August weather forecast
South English, IA

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Weather in August

The last month of the summer, August, is also a moderately hot month in South English, Iowa, with an average temperature ranging between min 62.8°F (17.1°C) and max 81.1°F (27.3°C).

Temperature

The arrival of August brings an average high-temperature of a still moderately hot 81.1°F (27.3°C), nearly identical to July's 82°F (27.8°C). South English records an average temperature drop to an enjoyable 62.8°F (17.1°C) in August.

Heat index

The heat index for August is estimated at a tropical 86°F (30°C). If one stays active during extended exposure, it might induce fatigue and result in heat cramps.
Know that the heat index computations account for shaded terrains and slight winds. Being exposed to direct sunshine might trigger a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', arises from combining readings of air temperature and relative moisture content. An individual's perception of weather can be affected by a variety of elements including metabolic differences, being pregnant, and their level of physical exertion. Remember, direct sunlight exposure can heighten the heat impact and might increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Youngsters typically face more danger than adults since they sweat less. Their larger skin surface compared to their small bodies and heightened heat production from their activities augment their vulnerability.

Humidity

The average relative humidity in August is 79%.

Rainfall

In South English, in August, during 12.3 rainfall days, 2.24" (57mm) of precipitation is typically accumulated. Throughout the year, there are 137.9 rainfall days, and 27.76" (705mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall.

Daylight

In August, the average length of the day is 13h and 47min.
On the first day of August in South English, sunrise is at 6:04 am and sunset at 8:25 pm. On the last day of the month, sunrise is at 6:34 am and sunset at 7:42 pm CDT.

Sunshine

In South English, the average sunshine in August is 9.9h.

UV index

The average daily maximum UV index in August is 5. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The maximum UV index, 5 during August, leads to the following recommendations:
Be vigilant - A duty to shield skin and eyes from injury exists. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Experience reduced UV exposure by about half when donning a wide-brim hat.
Updated: Jul 29, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in August?

South English in August has an average high-temperature of 81.1°F (27.3°C) and an average low-temperature of 62.8°F (17.1°C). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which combines air temperature and relative humidity, in August is estimated at 86°F (30°C).

What is the average humidity in August?

In August, the average relative humidity is 79%.

How many days does it rain in August?

In South English, during August, the rain falls for 12.3 days and regularly aggregates up to 2.24" (57mm) of precipitation.

When it does not snow?

June through September are months without snowfall in South English.

How many hours of daylight does South English have in August?

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

When is the sunrise / sunset in August?

On the first day of August, sunrise is at 6:04 am and sunset at 8:25 pm. On the last day of the month, sunrise is at 6:34 am and sunset at 7:42 pm CDT.

How many hours of sunshine does South English have in August?

In August, the average sunshine duration is 9.9h.

What is the UV index intensity in August?

In South English, the average daily maximum UV index in August is 5. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from unprotected exposure to UV radiation.
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
South English, IA

Average temperature in August - South English, IA
  • Average high temperature in August: 81.1°F

The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (28.6°F).

  • Average low temperature in August: 62.8°F

The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (15.6°F).

Average pressure in August
South English, IA

Average pressure in August - South English, IA
  • Average pressure in August: 29.97"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).

Average wind speed in August
South English, IA

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

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

Average humidity in August
South English, IA

Average humidity in August - South English, IA
  • Average humidity in August: 79%

The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is October (72%).

Average rainfall in August
South English, IA

Average rainfall in August - South English, IA
  • Average rainfall in August: 2.24"

The wettest month (with the highest rainfall) is May (4.17").
The driest month (with the least rainfall) is February (0.98").

Average rainfall days in August
South English, IA

Average rainfall days in August - South English, IA
  • Average rainfall days in August: 12.3 days

The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is February (4.9 days).

Average snowfall in August
South English, IA

Average snowfall in August - South English, IA
  • Average snowfall in August: 0"

The month with the highest snowfall is January (4.06").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in August
South English, IA

Average snowfall days in August - South English, IA
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (9.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in August /
Average sunshine in August
South English, IA

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

The month with the longest days is June (Average daylight: 15h and 6min).
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 18min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).

Average sunshine days in August
South English, IA

Average sunshine days in August - South English, IA
  • Average sunshine days in August: 15.5 days

The month with the most sunshine days is December (19.1 days).
The month with the least sunshine days is June (10.3 days).

Average UV index in August
South English, IA

Average UV index in August - South English, 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, February, October, November and December (UV index 2).

Average cloud cover in August
South English, IA

Average cloud cover in August - South English, IA
  • Average cloud cover in August: 29

The month with the most cloud cover is January (Cloud cover 55).
The months with the least cloud cover are August and September (Cloud cover 29).

Average visibility in August
South English, IA

Average visibility in August - South English, 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).

South English, Iowa, USA

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