August weather forecast
Atlantic, IA

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Weather in August

The last month of the summer, August, is another warm month in Atlantic, Iowa, with an average temperature varying between 81.1°F (27.3°C) and 62.2°F (16.8°C).

Temperature

Entering August, Atlantic's average high-temperature reads a still warm 81.1°F (27.3°C), indicating a close resemblance to the previous month's climate. Throughout August, Atlantic's nights cool down to an average of 62.2°F (16.8°C).

Heat index

The heat index value during August is appraised at a hot 86°F (30°C). If exposure and activity persist, fatigue could ensue, possibly leading to heat cramps.
When considering the heat index, it's pivotal to note it is for shade and mild wind conditions. The heat index has the potential to rise by 15 Fahrenheit (8 Celsius) degrees with direct sunshine exposure.
Note: The heat index, also known as 'feels like' or 'apparent temperature', shows a temperature sensation when both heat and moisture conditions are combined. Elements such as metabolic variations, being pregnant, and physical activity can impact one's weather perception. Be mindful that being in direct sunlight might mean feeling hotter, with the heat index rising by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Children frequently do not comprehend the need for rest and hydration. Thirst is an advanced stage of dehydration - staying hydrated, especially during extended physical exercises, is essential.

Humidity

In August, the average relative humidity in Atlantic, Iowa, is 79%.

Rainfall

In Atlantic, Iowa, in August, during 12.8 rainfall days, 2.48" (63mm) of precipitation is typically accumulated. Throughout the year, in Atlantic, there are 118.7 rainfall days, and 20.79" (528mm) of precipitation is accumulated.

Snowfall

In Atlantic, snow does not fall in June through September.

Daylight

The average length of the day in August is 13h and 47min.
On the first day of the month, sunrise is at 6:15 am and sunset at 8:36 pm. On the last day of August, sunrise is at 6:46 am and sunset at 7:54 pm CDT.

Sunshine

In August, the average sunshine is 9.8h.

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for the ordinary person.
Note: A typical high UV index of 6 in August suggests the following recommendations:
Skirt overexposure. People with light complexions might get scorched in under 20 minutes. UV radiation from the Sun is most intense between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
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Frequently asked questions

What is the average August temperature in Atlantic?

August temperatures in Atlantic, Iowa, vary between a high-temperature of 81.1°F (27.3°C) and a low-temperature of 62.2°F (16.8°C). In August, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which combines air temperature and relative humidity, is appraised at 86°F (30°C).

What is the average humidity in August in Atlantic?

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

How many days does it rain in August in Atlantic?

In August, in Atlantic, the rain falls for 12.8 days. Throughout August, 2.48" (63mm) of precipitation is accumulated.

When it does not snow in Atlantic?

In Atlantic, snow does not fall in June through September.

How many hours of daylight does Atlantic have in August?

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

What time are sunrise and sunset in August in Atlantic?

In August, on the first day of the month, sunrise is at 6:15 am and sunset at 8:36 pm. On the last day of the month, in Atlantic, Iowa, sunrise is at 6:46 am and sunset at 7:54 pm CDT.

How many hours of sunshine does Atlantic have in August?

In Atlantic, the average sunshine duration in August is 9.8h.

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

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

How high is the UV index in August in Atlantic?

In August, the average daily maximum UV index in Atlantic, Iowa, is 6. A UV Index of 6 to 7 symbolizes a high health threat 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
Atlantic, IA

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

The warmest month (with the highest average high temperature) is July (82.6°F).
The month with the lowest average high temperature is January (28.4°F).

  • Average low temperature in August: 62.2°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 (15.1°F).

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Average pressure in August
Atlantic, IA

Average pressure in August - Atlantic, 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 (29.87"Hg).

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Average wind speed in August
Atlantic, IA

Average wind speed in August - Atlantic, IA
  • Average wind speed in August: 7.3mph

The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest month (with the lowest average wind speed) is July (7.1mph).

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Average humidity in August
Atlantic, IA

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

The month with the highest relative humidity is January (82%).
The month with the lowest relative humidity is October (69%).

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Average rainfall in August
Atlantic, IA

Average rainfall in August - Atlantic, IA
  • Average rainfall in August: 2.48"

The wettest month (with the highest rainfall) is June (3.7").
The driest month (with the least rainfall) is January (0.59").

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Average rainfall days in August
Atlantic, IA

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

The month with the highest number of rainy days is June (16.4 days).
The month with the least rainy days is February (3.1 days).

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Average snowfall in August
Atlantic, IA

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

The month with the highest snowfall is February (2.36").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in August
Atlantic, IA

Average snowfall days in August - Atlantic, 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
Atlantic, IA

Average daylight in August / Average sunshine in August - Atlantic, 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 30min).

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Average sunshine days in August
Atlantic, IA

Average sunshine days in August - Atlantic, IA
  • Average sunshine days in August: 14.9 days

The month with the most sunshine days is December (21.2 days).
The month with the least sunshine days is June (10.8 days).

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Average UV index in August
Atlantic, IA

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

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, October, November and December (UV index 2).

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Average cloud cover in August
Atlantic, IA

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

The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is July (Cloud cover 28).

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Average visibility in August
Atlantic, IA

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

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