August weather forecast
Peosta, IA

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Weather in August

The last month of the summer, August, is also a moderately hot month in Peosta, Iowa, with temperature in the range of an average low of 60.4°F (15.8°C) and an average high of 78.4°F (25.8°C).

Temperature

As August takes its course, Peosta's average high-temperature registers at a still moderately hot 78.4°F (25.8°C), closely aligning with the preceding month. Peosta cools down to an average low-temperature of 60.4°F (15.8°C) throughout the month of August.

Humidity

The average relative humidity in August is 81%.

Rainfall

In Peosta, in August, it is raining for 12.8 days, with typically 1.77" (45mm) of accumulated precipitation. In Peosta, during the entire year, the rain falls for 140.9 days and collects up to 28.11" (714mm) of precipitation.

Snowfall

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

Daylight

In Peosta, the average length of the day in August is 13h and 51min.
On the first day of August, sunrise is at 5:56 am and sunset at 8:22 pm. On the last day of the month, sunrise is at 6:28 am and sunset at 7:38 pm CDT.

Sunshine

July and August, with an average of 9.8h of sunshine, are months with the most sunshine in Peosta.

UV index

The months with the highest UV index are May through August, with an average maximum UV index of 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the average person.
Note: The daily high UV index of 5 in August translates into this advice:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Always opt for UVA and UVB-resistant sunglasses on radiant days.

Frequently asked questions

What are the temperatures in Peosta in August?

In Peosta, 78.4°F (25.8°C) is the average high-temperature and 60.4°F (15.8°C) is the average low-temperature during August.

What is the average humidity in August?

In August, the average relative humidity is 81%.

How much does it rain in Peosta in August?

In Peosta, during August, the rain falls for 12.8 days and regularly aggregates up to 1.77" (45mm) of precipitation.

When it does not snow?

May through September are months without snowfall.

What is the average length of the day in August?

In Peosta, the average day length in August is 13h and 51min.

What time are sunrise and sunset in August?

On the first day of August, sunrise is at 5:56 am and sunset at 8:22 pm. On the last day of the month, sunrise is at 6:28 am and sunset at 7:38 pm CDT.

What are the months with the most sunshine?

July and August, with an average of 9.8h of sunshine, are months with the most sunshine.

How many hours of sunshine does Peosta have in August?

In August, the average sunshine duration is 9.8h.

What is the month with the highest UV index?

May through August, with an average maximum UV index of 5, are months with the highest UV index.

How high is the UV index in August in Peosta?

The average daily maximum UV index in August is 5. A UV Index estimate of 3 to 5 represents a medium 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
Peosta, IA

Average temperature in August - Peosta, IA
  • Average high temperature in August: 78.4°F

The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (24.6°F).

  • Average low temperature in August: 60.4°F

The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (12.4°F).

Average pressure in August
Peosta, IA

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

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

Average wind speed in August
Peosta, IA

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

The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).

Average humidity in August
Peosta, IA

Average humidity in August - Peosta, IA
  • Average humidity in August: 81%

The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is October (75%).

Average rainfall in August
Peosta, IA

Average rainfall in August - Peosta, IA
  • Average rainfall in August: 1.77"

The wettest month (with the highest rainfall) is May (3.9").
The driest month (with the least rainfall) is January (1.18").

Average rainfall days in August
Peosta, IA

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

The month with the highest number of rainy days is May (18.1 days).
The month with the least rainy days is January (4.6 days).

Average snowfall in August
Peosta, IA

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

The month with the highest snowfall is January (5.08").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in August
Peosta, IA

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

The month with the highest number of snowfall days is January (13.3 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
Peosta, IA

Average daylight in August / Average sunshine in August - Peosta, 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 6min).

  • Average sunshine in August: 9h and 5min

The months with the most sunshine are July and August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).

Average sunshine days in August
Peosta, IA

Average sunshine days in August - Peosta, IA
  • Average sunshine days in August: 15.8 days

The month with the most sunshine days is December (17.3 days).
The month with the least sunshine days is June (10.3 days).

Average UV index in August
Peosta, IA

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

The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).

Average cloud cover in August
Peosta, IA

Average cloud cover in August - Peosta, IA
  • Average cloud cover in August: 31

The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 31).

Average visibility in August
Peosta, IA

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

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

Peosta, Iowa, USA

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