August weather forecast
Estherville, IA

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Weather in August

The last month of the summer, August, is also a moderately hot month in Estherville, Iowa, with an average temperature ranging between min 59.5°F (15.3°C) and max 78.1°F (25.6°C).

Temperature

Estherville marks the arrival of August with an average high-temperature of a still moderately hot 78.1°F (25.6°C), hardly different from July's 80.2°F (26.8°C). Throughout August, the nighttime temperature averages to a moderate 59.5°F (15.3°C).

Humidity

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

Rainfall

In August, the rain falls for 13.5 days. Throughout August, 1.93" (49mm) of precipitation is accumulated. In Estherville, during the entire year, the rain falls for 123.7 days and collects up to 23.66" (601mm) of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

The average length of the day in August is 13h and 55min.
On the first day of the month, sunrise is at 6:10 am and sunset at 8:41 pm. On the last day of August, sunrise is at 6:43 am and sunset at 7:55 pm CDT.

Sunshine

The average sunshine in August is 9.6h.

UV index

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 exposure to the Sun's UV rays for average individuals.
Note: The maximum UV index, 5 during August, leads to the following recommendations:
Adopt protective measures - It is advised to guard against sun damage. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Updated: Jun 21, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average August temperature?

An average high-temperature, in August, in Estherville, is 78.1°F (25.6°C) and the average low-temperature is 59.5°F (15.3°C).

What is the average humidity in August?

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

How many days does it rain in August?

In August, in Estherville, the rain falls for 13.5 days. Throughout August, 1.93" (49mm) of precipitation is accumulated.

When it does not snow?

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

What is the average length of the day in August?

In Estherville, the average day length in August is 13h and 55min.

When are sunrise and sunset in August in Estherville?

In August, on the first day of the month, sunrise is at 6:10 am and sunset at 8:41 pm. On the last day of the month, in Estherville, sunrise is at 6:43 am and sunset at 7:55 pm CDT.

How many hours of sunshine does Estherville have in August?

In August, the average sunshine duration is 9.6h.

What is the UV index intensity in August?

In Estherville, the average daily maximum UV index in August is 5. A UV Index of 3 to 5 symbolizes a medium health risk from exposure to the Sun's 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
Estherville, IA

Average temperature in August - Estherville, IA
  • Average high temperature in August: 78.1°F

The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (22.5°F).

  • Average low temperature in August: 59.5°F

The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is January (9.9°F).

Average pressure in August
Estherville, IA

Average pressure in August - Estherville, IA
  • Average pressure in August: 29.96"Hg

The months with the highest atmospheric pressure are January and February (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

Average wind speed in August
Estherville, IA

Average wind speed in August - Estherville, IA
  • Average wind speed in August: 7.7mph

The windiest month (with the highest average wind speed) is January (11.2mph).
The calmest month (with the lowest average wind speed) is July (7.6mph).

Average humidity in August
Estherville, IA

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

The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is October (68%).

Average rainfall in August
Estherville, IA

Average rainfall in August - Estherville, IA
  • Average rainfall in August: 1.93"

The wettest month (with the highest rainfall) is June (3.7").
The driest month (with the least rainfall) is January (0.87").

Average rainfall days in August
Estherville, IA

Average rainfall days in August - Estherville, IA
  • Average rainfall days in August: 13.5 days

The month with the highest number of rainy days is June (18 days).
The month with the least rainy days is February (2.3 days).

Average snowfall in August
Estherville, IA

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

The month with the highest snowfall is February (4.8").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in August
Estherville, IA

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

The month with the highest number of snowfall days is January (11.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

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

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • Average sunshine in August: 9h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).

Average sunshine days in August
Estherville, IA

Average sunshine days in August - Estherville, IA
  • Average sunshine days in August: 15.3 days

The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is June (10.1 days).

Average UV index in August
Estherville, IA

Average UV index in August - Estherville, 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 February (UV index 1).

Average cloud cover in August
Estherville, IA

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

The month with the most cloud cover is January (Cloud cover 59).
The months with the least cloud cover are July and September (Cloud cover 31).

Average visibility in August
Estherville, IA

Average visibility in August - Estherville, 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).

Estherville, Iowa, USA

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