August weather forecast
Sandyville, IA

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Weather in August

August, the last month of the summer in Sandyville, is another warm month, with an average temperature fluctuating between 81.3°F (27.4°C) and 62.6°F (17°C).

Temperature

The average high-temperature during August is a still moderately hot 81.3°F (27.4°C), almost matching the conditions of the preceding month. Sandyville records a steady low-temperature average of 62.6°F (17°C) during August.

Heat index

The heat index for August is appraised at a hot 87.8°F (31°C). If one sustains activity during exposure, it could lead to a sense of fatigue, with a chance of heat cramps.
Consider that heat index readings are for situations in the shade and light wind. The heat index has the possibility to be enhanced by 15 Fahrenheit (8 Celsius) degrees when there is direct sun exposure.
Note: The heat index, also known as 'feels like' or 'apparent temperature', takes into account both air temperature and humidity to illustrate what people actually feel. Physical activity, clothing, and metabolic variations are additional factors that impact an individual's perception of temperature. One must note that being under the direct sun can escalate the heat's effects, with the heat index possibly rising by 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Young kids are often more at risk than adults as they tend to perspire less. Besides, their skin surface is larger relative to their small bodies, and their increased heat output from their active lifestyle compounds their risk.

Humidity

In August, the average relative humidity is 79%.

Rainfall

In Sandyville, in August, it is raining for 12.8 days, with typically 2.01" (51mm) of accumulated precipitation. In Sandyville, Iowa, during the entire year, the rain falls for 118.9 days and collects up to 18.62" (473mm) of precipitation.

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 the month, sunrise is at 6:09 am and sunset at 8:30 pm. On the last day of August, in Sandyville, sunrise is at 6:39 am and sunset at 7:47 pm CDT.

Sunshine

The average sunshine in August is 9.9h.

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index in Sandyville. A UV Index reading of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for the average person.
Note: A maximum high daily UV index of 6 during August translates into the following directions:
Shield from overexposure. Defense against sun-related harm is required. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full protection. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.

Frequently asked questions

What are August temperatures in Sandyville?

An average high-temperature, in August, in Sandyville, is 81.3°F (27.4°C) and the average low-temperature is 62.6°F (17°C). In August, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which represents the influence of relative humidity on air temperature, is appraised at 87.8°F (31°C).

What is the average humidity in August in Sandyville?

The average relative humidity in August in Sandyville is 79%.

How many days does it rain in August in Sandyville?

In Sandyville, Iowa, in August, during 12.8 rainfall days, 2.01" (51mm) of precipitation is typically accumulated.

When it does not snow in Sandyville?

June through September are months without snowfall.

What is the average length of the day in August in Sandyville?

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

What time are sunrise and sunset in August in Sandyville?

In August, on the first day of the month, sunrise is at 6:09 am and sunset at 8:30 pm. On the last day of the month, sunrise is at 6:39 am and sunset at 7:47 pm CDT.

How long on average sun shines in August in Sandyville?

The average sunshine duration in August in Sandyville is 9.9h.

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

The months with the highest UV index in Sandyville, Iowa, are June through August, with an average maximum UV index of 6.

How high is the UV index in August in Sandyville?

In Sandyville, the average daily maximum UV index in August is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's 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
Sandyville, IA

Average temperature in August - Sandyville, IA
  • Average high temperature in August: 81.3°F

The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (28.8°F).

  • Average low temperature in August: 62.6°F

The month with the highest average low temperature is July (65.7°F).
The coldest month (with the lowest average low temperature) is January (15.3°F).

Average pressure in August
Sandyville, IA

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

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).

Average wind speed in August
Sandyville, IA

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

The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.9mph).

Average humidity in August
Sandyville, IA

Average humidity in August - Sandyville, IA
  • Average humidity in August: 79%

The months with the highest relative humidity are January and June (82%).
The month with the lowest relative humidity is October (71%).

Average rainfall in August
Sandyville, IA

Average rainfall in August - Sandyville, IA
  • Average rainfall in August: 2.01"

The wettest month (with the highest rainfall) is May (3.07").
The driest month (with the least rainfall) is December (0.55").

Average rainfall days in August
Sandyville, IA

Average rainfall days in August - Sandyville, IA
  • Average rainfall days in August: 12.8 days

The months with the highest number of rainy days are May and June (15.9 days).
The month with the least rainy days is January (3.4 days).

Average snowfall in August
Sandyville, IA

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

The month with the highest snowfall is February (3.03").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in August
Sandyville, IA

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

The month with the highest number of snowfall days is January (9.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in August /
Average sunshine in August
Sandyville, IA

Average daylight in August / Average sunshine in August - Sandyville, 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 24min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).

Average sunshine days in August
Sandyville, IA

Average sunshine days in August - Sandyville, IA
  • Average sunshine days in August: 15.3 days

The month with the most sunshine days is December (21.9 days).
The month with the least sunshine days is June (11 days).

Average UV index in August
Sandyville, IA

Average UV index in August - Sandyville, IA
  • Average UV index in August: 6

The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is January (UV index 1).

Average cloud cover in August
Sandyville, IA

Average cloud cover in August - Sandyville, IA
  • Average cloud cover in August: 30

The month with the most cloud cover is January (Cloud cover 53).
The month with the least cloud cover is July (Cloud cover 28).

Average visibility in August
Sandyville, IA

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

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

Sandyville, Iowa, USA

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