August weather forecast
Atalissa, IA

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Weather in August

The last month of the summer, August, is another warm month in Atalissa, Iowa, with an average temperature ranging between min 62.6°F (17°C) and max 80.6°F (27°C).

Temperature

August's onset brings an average high-temperature of a still warm 80.6°F (27°C), showing a minute difference from July's 81.5°F (27.5°C). In Atalissa, August's nights observe an average temperature dip to a refreshing 62.6°F (17°C).

Heat index

August's heat index is appraised at a hot 86°F (30°C). Persisting in activity during long-term exposure might induce weariness, with subsequent heat cramps.
Data suggests that the heat index is set for environments in shade and with a light wind. Direct exposure to sunshine could lead to a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', arises from combining readings of air temperature and relative moisture content. The impact of temperature is individual, as people's perception of weather may change based on their body mass, height, and physical activity. Direct sunlight exposure should be noted as it has the potential to increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Young ones regularly neglect the requirement for rest and fluid replenishment. Thirst is a late stage of dehydration - so, it is necessary to keep hydrated, particularly during extended periods of physical exertion.

Humidity

The average relative humidity in August is 80%.

Rainfall

In August, the rain falls for 8.3 days. Throughout August, 0.39" (10mm) of precipitation is accumulated. Throughout the year, there are 92.5 rainfall days, and 7.68" (195mm) of precipitation is accumulated.

Snowfall

May through September are months without snowfall.

Daylight

The average length of the day in August is 13h and 47min.
On the first day of the month, sunrise is at 6:00 am and sunset at 8:21 pm. On the last day of August, sunrise is at 6:30 am and sunset at 7:38 pm CDT.

Sunshine

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

UV index

The average daily maximum UV index in August in Atalissa is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for average individuals.
Note: The daily high UV index of 5 in August translates into this advice:
Ensure safety - Sun damage prevention is strongly urged. To guard against the harmful effects of the Sun, minimize exposure during midday. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Updated: Aug 25, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average August temperature?

The high-temperature, in August, in Atalissa, is 80.6°F (27°C), while the low-temperature averages to 62.6°F (17°C). The average heat index (a.k.a. 'real feel', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, in August is appraised at 86°F (30°C).

What is the average humidity in August?

In Atalissa, Iowa, the average relative humidity in August is 80%.

How much does it rain in August?

In August, in Atalissa, the rain falls for 8.3 days. Throughout August, 0.39" (10mm) of precipitation is accumulated.

When it does not snow?

In Atalissa, snow does not fall in May through September.

What is the average length of the day in August?

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

What time are sunrise and sunset in August in Atalissa?

In August, on the first day of the month, sunrise is at 6:00 am and sunset at 8:21 pm. On the last day of the month, sunrise is at 6:30 am and sunset at 7:38 pm CDT.

How many hours of sunshine does Atalissa have in August?

In August, the average sunshine duration is 10h.

What is the UV index reading in August?

In August, the average daily maximum UV index in Atalissa is 5. A UV Index value of 3 to 5 symbolizes a moderate 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
Atalissa, IA

Average temperature in August - Atalissa, IA
  • Average high temperature in August: 80.6°F

The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (27.5°F).

  • Average low temperature in August: 62.6°F

The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (15.4°F).

Average pressure in August
Atalissa, IA

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

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

Average wind speed in August
Atalissa, IA

Average wind speed in August - Atalissa, IA
  • Average wind speed in August: 6.8mph

The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).

Average humidity in August
Atalissa, IA

Average humidity in August - Atalissa, IA
  • Average humidity in August: 80%

The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (72%).

Average rainfall in August
Atalissa, IA

Average rainfall in August - Atalissa, IA
  • Average rainfall in August: 0.39"

The wettest month (with the highest rainfall) is May (1.34").
The driest month (with the least rainfall) is February (0.28").

Average rainfall days in August
Atalissa, IA

Average rainfall days in August - Atalissa, IA
  • Average rainfall days in August: 8.3 days

The month with the highest number of rainy days is June (13.2 days).
The month with the least rainy days is January (2.8 days).

Average snowfall in August
Atalissa, IA

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

The month with the highest snowfall is January (1.1").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in August
Atalissa, IA

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

The month with the highest number of snowfall days is January (6.4 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

Average daylight in August / Average sunshine in August - Atalissa, 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: 10h and 0min

The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).

Average sunshine days in August
Atalissa, IA

Average sunshine days in August - Atalissa, IA
  • Average sunshine days in August: 20.8 days

The month with the most sunshine days is December (24.4 days).
The month with the least sunshine days is June (14.8 days).

Average UV index in August
Atalissa, IA

Average UV index in August - Atalissa, IA
  • Average UV index in August: 5

The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).

Average cloud cover in August
Atalissa, IA

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

The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 29).

Average visibility in August
Atalissa, IA

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

The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (6mi).
The month with the lowest visibility is July (5mi).

Atalissa, Iowa, USA

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