August weather forecast
Corydon, IA

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Weather in August

The last month of the summer, August, is also a moderately hot month in Corydon, Iowa, with an average temperature varying between 82°F (27.8°C) and 63.7°F (17.6°C).

Temperature

Welcoming August, Corydon notes an average high-temperature of a still warm 82°F (27.8°C), nearly consistent with July's 83.3°F (28.5°C). Corydon, in the month of August, anticipates a consistent average low-temperature of 63.7°F (17.6°C).

Heat index

Throughout August, the heat index is computed to be a tropical 87.8°F (31°C). Long-standing exposure and activity could induce a feeling of tiredness and lead to heat cramps.
Metrics for the heat index primarily focus on shaded spots and light wind conditions. Exposure to the direct sun might augment heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', represents the fusion of temperature and moisture in the air to suggest how warm it feels. A person's impression of weather can be shaped by many aspects, among them metabolic variations, pregnancy, and levels of physical activity. When directly under the sun, the weather's impact can intensify, possibly boosting the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Kids often lack the knowledge about the necessity to take breaks and consume liquids. Thirst, as a late symptom of dehydration, necessitates the maintenance of hydration, particularly during enduring physical activities.

Humidity

In Corydon, the average relative humidity in August is 78%.

Rainfall

In Corydon, in August, during 13.5 rainfall days, 2.2" (56mm) of precipitation is typically accumulated. In Corydon, during the entire year, the rain falls for 125.7 days and collects up to 20.39" (518mm) of precipitation.

Snowfall

In Corydon, Iowa, snow does not fall in June through September.

Daylight

The average length of the day in August is 13h and 45min.
On the first day of August, sunrise is at 6:10 am and sunset at 8:28 pm. On the last day of the month, sunrise is at 6:40 am and sunset at 7:46 pm CDT.

Sunshine

In August, the average sunshine in Corydon is 10h.

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index in Corydon, Iowa. A UV Index estimate of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for ordinary individuals.
Note: In August, the maximum UV index of 6 transforms into these recommendations:
Avert overexposure. Light-skinned people might experience burning in less than 20 minutes. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is at its strongest, and remember that parasols or canopies do not offer full protection. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Corydon in August?

In Corydon, 82°F (27.8°C) is the average high-temperature and 63.7°F (17.6°C) is the average low-temperature during August. The average heat index (a.k.a. 'felt air temperature', 'real feel'), which calculates the temperature value influenced by the moisture in the air, in August is computed to be 87.8°F (31°C).

What is the average humidity in August in Corydon?

The average relative humidity in August is 78%.

How much does it rain in Corydon in August?

In Corydon, Iowa, in August, it is raining for 13.5 days, with typically 2.2" (56mm) of accumulated precipitation.

When it does not snow in Corydon?

June through September are months without snowfall.

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

In Corydon, the average day length in August is 13h and 45min.

What time are sunrise and sunset in August in Corydon?

In August, on the first day of the month, sunrise is at 6:10 am and sunset at 8:28 pm. On the last day of the month, sunrise is at 6:40 am and sunset at 7:46 pm CDT.

How many hours of sunshine does Corydon have in August?

In Corydon, the average sunshine duration in August is 10h.

What is the month with the highest UV index in Corydon?

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

What is the UV index reading in August in Corydon?

The average daily maximum UV index in August is 6. A UV Index of 6 to 7 symbolizes a high health risk from unsafe 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
Corydon, IA

Average temperature in August - Corydon, IA
  • Average high temperature in August: 82°F

The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (30°F).

  • Average low temperature in August: 63.7°F

The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (16.5°F).

Average pressure in August
Corydon, IA

Average pressure in August - Corydon, 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 (29.89"Hg).

Average wind speed in August
Corydon, IA

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

The windiest months (with the highest average wind speed) are January and March (10.6mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).

Average humidity in August
Corydon, IA

Average humidity in August - Corydon, IA
  • Average humidity in August: 78%

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

Average rainfall in August
Corydon, IA

Average rainfall in August - Corydon, IA
  • Average rainfall in August: 2.2"

The wettest month (with the highest rainfall) is June (3.31").
The driest months (with the least rainfall) are January and December (0.71").

Average rainfall days in August
Corydon, IA

Average rainfall days in August - Corydon, IA
  • Average rainfall days in August: 13.5 days

The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is January (4.5 days).

Average snowfall in August
Corydon, IA

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

The month with the highest snowfall is January (3.23").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in August
Corydon, IA

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

The month with the highest number of snowfall days is January (8.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in August / Average sunshine in August - Corydon, IA
  • Average daylight in August: 13h and 4min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in August: 10h and 0min

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
Corydon, IA

Average sunshine days in August - Corydon, IA
  • Average sunshine days in August: 14.3 days

The month with the most sunshine days is November (21.1 days).
The month with the least sunshine days is June (10.7 days).

Average UV index in August
Corydon, IA

Average UV index in August - Corydon, 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
Corydon, IA

Average cloud cover in August - Corydon, IA
  • Average cloud cover in August: 29

The month with the most cloud cover is January (Cloud cover 52).
The months with the least cloud cover are July, August and September (Cloud cover 29).

Average visibility in August
Corydon, IA

Average visibility in August - Corydon, 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).

Corydon, Iowa, USA

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