August weather forecast
Seymour, IA

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Weather in August

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

Temperature

The advent of August denotes an average high-temperature of a still moderately hot 82°F (27.8°C), subtly different from July's 83.3°F (28.5°C). During the nights in August, the temperature in Seymour averages to an enjoyable 63.7°F (17.6°C).

Heat index

The heat index value during August is appraised at a hot 87.8°F (31°C). Unrelenting activity during exposure could cause fatigue and potentially lead to heat cramps.
It is essential to grasp that the heat index's numbers are for shade and light wind settings. In the presence of direct sunshine, the heat index could be augmented by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', offers an insight into how hot it feels when we factor in moisture content. This effect is personal, influenced by the individual's physical activity and heat sensitivity, shaped by factors including wind, attire, and metabolic variations. Direct exposure to the sun's rays can enhance the felt temperature, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Younglings frequently fail to recognize the requirement to rest and rehydrate. Thirst emerges late in dehydration - it is imperative to keep hydration levels high, particularly during extended physical exertions.

Humidity

The average relative humidity in August is 78%.

Rainfall

In Seymour, during August, the rain falls for 13.5 days and regularly aggregates up to 2.2" (56mm) of precipitation. In Seymour, during the entire year, the rain falls for 125.7 days and collects up to 20.39" (518mm) of precipitation.

Snowfall

June through September are months without snowfall in Seymour.

Daylight

In Seymour, Iowa, the average length of the day in August is 13h and 44min.
On the first day of the month, sunrise is at 6:10 am and sunset at 8:27 pm. On the last day of August, in Seymour, sunrise is at 6:39 am and sunset at 7:45 pm CDT.

Sunshine

The average sunshine in August is 10h.

UV index

The months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for the average person.
Note: The maximum daily UV index, 6 in August, converts into the following recommendations:
Apply measures and align with sun safety principles. Safeguarding against skin and eye injury is pivotal. Avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is most intense, and remember that not all shade structures provide full protection. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
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Frequently asked questions

What is the average August temperature in Seymour?

In August, the average high-temperature and low-temperature in Seymour, Iowa, are 82°F (27.8°C) and 63.7°F (17.6°C) respectively. In August, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which factors the actual air temperature with the relative humidity, is appraised at 87.8°F (31°C).

What is the average humidity in August in Seymour?

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

How many days does it rain in August in Seymour?

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

When it does not snow in Seymour?

June through September are months without snowfall in Seymour.

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

The average day length in August in Seymour, Iowa, is 13h and 44min.

What time are sunrise and sunset in August in Seymour?

In August, on the first day of the month, sunrise is at 6:10 am and sunset at 8:27 pm. On the last day of the month, in Seymour, sunrise is at 6:39 am and sunset at 7:45 pm CDT.

How long on average sun shines in August in Seymour?

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

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

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

What is the UV index reading in August in Seymour?

In August, the average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes a high health risk 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
Seymour, IA

Average temperature in August - Seymour, 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).

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Average pressure in August
Seymour, IA

Average pressure in August - Seymour, 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).

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Average wind speed in August
Seymour, IA

Average wind speed in August - Seymour, 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).

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Average humidity in August
Seymour, IA

Average humidity in August - Seymour, 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%).

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Average rainfall in August
Seymour, IA

Average rainfall in August - Seymour, 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").

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Average rainfall days in August
Seymour, IA

Average rainfall days in August - Seymour, 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).

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Average snowfall in August
Seymour, IA

Average snowfall in August - Seymour, 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").

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Average snowfall days in August
Seymour, IA

Average snowfall days in August - Seymour, 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).

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

Average daylight in August / Average sunshine in August - Seymour, 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).

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Average sunshine days in August
Seymour, IA

Average sunshine days in August - Seymour, 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).

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Average UV index in August
Seymour, IA

Average UV index in August - Seymour, 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
Seymour, IA

Average cloud cover in August - Seymour, 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).

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Average visibility in August
Seymour, IA

Average visibility in August - Seymour, 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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Seymour, Iowa, USA

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