August weather forecast
Arcadia, IA

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Weather in August

The last month of the summer, August, is another warm month in Arcadia, Iowa, with an average temperature ranging between max 79.5°F (26.4°C) and min 61.7°F (16.5°C).

Temperature

With the onset of August, the average high-temperature registers at a still warm 79.5°F (26.4°C), subtly different from July's 81.3°F (27.4°C). Arcadia experiences a steady low-temperature of 61.7°F (16.5°C) throughout August.

Humidity

The average relative humidity in August is 80%.

Rainfall

In Arcadia, in August, it is raining for 13.6 days, with typically 2.64" (67mm) of accumulated precipitation. In Arcadia, during the entire year, the rain falls for 126.1 days and collects up to 26.38" (670mm) of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

In August, the average length of the day is 13h and 50min.
On the first day of August, sunrise is at 6:14 am and sunset at 8:38 pm. On the last day of the month, sunrise is at 6:45 am and sunset at 7:55 pm CDT.

Sunshine

In Arcadia, the average sunshine in August is 9.6h.

UV index

In Arcadia, Iowa, the average daily maximum UV index in August is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: During August, 5 as the daily maximum UV index converts into the following advice:
Adopt protective measures - It is advised to guard against sun damage. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Opt for tightly woven and loose clothing to enhance protection from the Sun.
Updated: Aug 15, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average August temperature?

Arcadia in August has an average high-temperature of 79.5°F (26.4°C) and an average low-temperature of 61.7°F (16.5°C). In July, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which represents the influence of relative humidity on air temperature, is computed to be 87.8°F (31°C).

What is the average humidity in August?

In August, the average relative humidity is 80%.

How much does it rain in August?

In August, the rain falls for 13.6 days. Throughout August, 2.64" (67mm) of precipitation is accumulated.

When it does not snow?

June through September are months without snowfall.

What is the average length of the day in August?

The average day length in August is 13h and 50min.

When is the sunrise / sunset in August?

On the first day of August, sunrise is at 6:14 am and sunset at 8:38 pm. On the last day of the month, sunrise is at 6:45 am and sunset at 7:55 pm CDT.

How many hours of sunshine does Arcadia have in August?

In Arcadia, the average sunshine duration in August is 9.6h.

What is the UV index reading in August?

In Arcadia, the average daily maximum UV index in August is 5. A UV Index estimate of 3 to 5 represents 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
Arcadia, IA

Average temperature in August - Arcadia, IA
  • Average high temperature in August: 79.5°F

The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (26.6°F).

  • Average low temperature in August: 61.7°F

The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (13.8°F).

Average pressure in August
Arcadia, IA

Average pressure in August - Arcadia, 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).

Average wind speed in August
Arcadia, IA

Average wind speed in August - Arcadia, IA
  • Average wind speed in August: 7.5mph

The windiest month (with the highest average wind speed) is April (11.1mph).
The calmest month (with the lowest average wind speed) is July (7.3mph).

Average humidity in August
Arcadia, IA

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

The month with the highest relative humidity is January (84%).
The months with the lowest relative humidity are April and October (69%).

Average rainfall in August
Arcadia, IA

Average rainfall in August - Arcadia, IA
  • Average rainfall in August: 2.64"

The wettest month (with the highest rainfall) is May (4.21").
The driest month (with the least rainfall) is January (0.87").

Average rainfall days in August
Arcadia, IA

Average rainfall days in August - Arcadia, IA
  • Average rainfall days in August: 13.6 days

The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is February (3.3 days).

Average snowfall in August
Arcadia, IA

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

The month with the highest snowfall is February (4.96").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in August
Arcadia, IA

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

The month with the highest number of snowfall days is January (10.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in August / Average sunshine in August - Arcadia, IA
  • Average daylight in August: 13h and 5min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in August: 9h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).

Average sunshine days in August
Arcadia, IA

Average sunshine days in August - Arcadia, IA
  • Average sunshine days in August: 15.9 days

The month with the most sunshine days is November (20.1 days).
The month with the least sunshine days is May (10.8 days).

Average UV index in August
Arcadia, IA

Average UV index in August - Arcadia, 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, February, October, November and December (UV index 2).

Average cloud cover in August
Arcadia, IA

Average cloud cover in August - Arcadia, IA
  • Average cloud cover in August: 32

The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is July (Cloud cover 28).

Average visibility in August
Arcadia, IA

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

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

Arcadia, Iowa, USA

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