August weather forecast
Shannon City, IA

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Weather in August

The last month of the summer, August, is also a moderately hot month in Shannon City, Iowa, with an average temperature ranging between max 81°F (27.2°C) and min 63°F (17.2°C).

Temperature

Shannon City greets August with an average high-temperature of a still moderately hot 81°F (27.2°C), marking a slight deviation from the preceding month. Throughout August, the nighttime temperature averages to a refreshing 63°F (17.2°C).

Heat index

August's mean heat index is estimated at a hot 86°F (30°C). Long-standing exposure and activity could induce a feeling of tiredness and lead to heat cramps.
One should be cognizant that the heat index values are tailored for shaded spots and mild winds. Being under direct sunlight might amplify the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. The influence of weather is personal, with varied individuals experiencing it differently due to differences in body mass, stature, and physical exertion levels. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Youngsters often neglect the necessity for rest and hydration. Thirst is a sign of advancing dehydration - thus the importance of maintaining hydration, specifically during long-lasting physical activities.

Humidity

In Shannon City, the average relative humidity in August is 79%.

Rainfall

In Shannon City, in August, it is raining for 13.8 days, with typically 2.44" (62mm) of accumulated precipitation. In Shannon City, during the entire year, the rain falls for 127.7 days and collects up to 23.39" (594mm) of precipitation.

Snowfall

In Shannon City, snow does not fall in June through September.

Daylight

In Shannon City, the average length of the day in August is 13h and 45min.
On the first day of August in Shannon City, sunrise is at 6:14 am and sunset at 8:32 pm. On the last day of the month, sunrise is at 6:43 am and sunset at 7:50 pm CDT.

Sunshine

In Shannon City, the average sunshine in August is 9.7h.

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index in Shannon City. A UV Index reading of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: The UV index of 6 during August translates into the following guidance:
Fend off overexposure. Sun protection is vital. Avoid direct sunlight between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Keep in mind that shade structures may not provide complete protection. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
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Frequently asked questions

What are the temperatures in Shannon City in August?

In Shannon City, in August, the average high-temperature is 81°F (27.2°C), and the average low-temperature is 63°F (17.2°C). The average heat index (a.k.a. 'feels like', 'felt air temperature'), which combines relative humidity and air temperature, in August is estimated at 86°F (30°C).

What is the average humidity in August in Shannon City?

In Shannon City, the average relative humidity in August is 79%.

How much does it rain in Shannon City in August?

In Shannon City, during August, the rain falls for 13.8 days and regularly aggregates up to 2.44" (62mm) of precipitation.

When it does not snow in Shannon City?

June through September are months without snowfall in Shannon City, Iowa.

What is the average length of the day in August in Shannon City?

The average day length in August in Shannon City, Iowa, is 13h and 45min.

When are sunrise and sunset in August in Shannon City?

On the first day of August, sunrise is at 6:14 am and sunset at 8:32 pm. On the last day of the month, sunrise is at 6:43 am and sunset at 7:50 pm CDT.

How long on average sun shines in August in Shannon City?

In August, the average sunshine duration in Shannon City, Iowa, is 9.7h.

What is the month with the highest UV index in Shannon City?

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

What is the UV index reading in August in Shannon City?

In Shannon City, Iowa, the average daily maximum UV index in August is 6. A UV Index value of 6 to 7 symbolizes a high 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
Shannon City, IA

Average temperature in August - Shannon City, IA
  • Average high temperature in August: 81°F

The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (29.1°F).

  • Average low temperature in August: 63°F

The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (15.8°F).

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Average pressure in August
Shannon City, IA

Average pressure in August - Shannon City, IA
  • Average pressure in August: 29.96"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

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Average wind speed in August
Shannon City, IA

Average wind speed in August - Shannon City, IA
  • Average wind speed in August: 7.1mph

The windiest months (with the highest average wind speed) are January and February (10.7mph).
The calmest months (with the lowest average wind speed) are July and August (7.1mph).

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Average humidity in August
Shannon City, IA

Average humidity in August - Shannon City, 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%).

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Average rainfall in August
Shannon City, IA

Average rainfall in August - Shannon City, IA
  • Average rainfall in August: 2.44"

The wettest month (with the highest rainfall) is June (4.17").
The driest month (with the least rainfall) is January (0.75").

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Average rainfall days in August
Shannon City, IA

Average rainfall days in August - Shannon City, IA
  • Average rainfall days in August: 13.8 days

The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is January (3.7 days).

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Average snowfall in August
Shannon City, IA

Average snowfall in August - Shannon City, IA
  • Average snowfall in August: 0"

The month with the highest snowfall is January (3.15").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in August
Shannon City, IA

Average snowfall days in August - Shannon City, IA
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (8.7 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
Shannon City, IA

Average daylight in August / Average sunshine in August - Shannon City, 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 18min).

  • Average sunshine in August: 9h and 4min

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 24min).

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Average sunshine days in August
Shannon City, IA

Average sunshine days in August - Shannon City, IA
  • Average sunshine days in August: 14.3 days

The month with the most sunshine days is November (20.2 days).
The month with the least sunshine days is May (10.7 days).

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Average UV index in August
Shannon City, IA

Average UV index in August - Shannon City, 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).

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Average cloud cover in August
Shannon City, IA

Average cloud cover in August - Shannon City, IA
  • Average cloud cover in August: 31

The month with the most cloud cover is January (Cloud cover 53).
The months with the least cloud cover are July and September (Cloud cover 30).

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Average visibility in August
Shannon City, IA

Average visibility in August - Shannon City, 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).

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Shannon City, Iowa, USA

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