August weather forecast
Ottosen, IA

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Weather in August

August, the last month of the summer in Ottosen, is also a moderately hot month, with an average temperature fluctuating between 78.3°F (25.7°C) and 60.3°F (15.7°C).

Temperature

The arrival of August marks a slight shift to an average high-temperature of a still warm 78.3°F (25.7°C) from July's 80.6°F (27°C). August brings an average low-temperature of 60.3°F (15.7°C) to Ottosen.

Humidity

In August, the average relative humidity is 81%.

Rainfall

In August, the rain falls for 11.3 days. Throughout August, 1.22" (31mm) of precipitation is accumulated. In Ottosen, during the entire year, the rain falls for 100.5 days and collects up to 11.69" (297mm) of precipitation.

Snowfall

In Ottosen, Iowa, snow does not fall in May through September.

Daylight

In August, the average length of the day is 13h and 53min.
On the first day of August, sunrise is at 6:09 am and sunset at 8:38 pm. On the last day of the month, sunrise is at 6:41 am and sunset at 7:53 pm CDT.

Sunshine

The average sunshine in August in Ottosen is 9.6h.

UV index

The average daily maximum UV index in August is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the average person.
Note: An average maximum UV index of 5 in August leads to these recommendations:
Take necessary precautions - Protection from skin and eye injury is mandatory. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
Updated: Jun 30, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in August?

An average high-temperature, in August, in Ottosen, is 78.3°F (25.7°C) and the average low-temperature is 60.3°F (15.7°C). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which combines relative humidity and air temperature, in July is appraised at 86°F (30°C).

What is the average humidity in August?

In August, the average relative humidity is 81%.

How many days does it rain in August?

In Ottosen, in August, during 11.3 rainfall days, 1.22" (31mm) of precipitation is typically accumulated.

When it does not snow?

May through September are months without snowfall.

How many hours of daylight does Ottosen have in August?

The average day length in August is 13h and 53min.

When are sunrise and sunset in August?

In August, on the first day of the month, sunrise is at 6:09 am and sunset at 8:38 pm. On the last day of the month, sunrise is at 6:41 am and sunset at 7:53 pm CDT.

How many hours of sunshine does Ottosen have in August?

The average sunshine duration in August is 9.6h.

How high is the UV index in August?

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 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
Ottosen, IA

Average temperature in August - Ottosen, IA
  • Average high temperature in August: 78.3°F

The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (23.4°F).

  • Average low temperature in August: 60.3°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 (10.8°F).

Average pressure in August
Ottosen, IA

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

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

Average wind speed in August
Ottosen, IA

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

The windiest months (with the highest average wind speed) are January and April (10.9mph).
The calmest months (with the lowest average wind speed) are July and August (7.5mph).

Average humidity in August
Ottosen, IA

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

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

Average rainfall in August
Ottosen, IA

Average rainfall in August - Ottosen, IA
  • Average rainfall in August: 1.22"

The wettest month (with the highest rainfall) is June (1.89").
The driest month (with the least rainfall) is January (0.39").

Average rainfall days in August
Ottosen, IA

Average rainfall days in August - Ottosen, IA
  • Average rainfall days in August: 11.3 days

The month with the highest number of rainy days is June (14.5 days).
The month with the least rainy days is February (2.1 days).

Average snowfall in August
Ottosen, IA

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

The month with the highest snowfall is February (2.56").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in August
Ottosen, IA

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

The month with the highest number of snowfall days is January (9.8 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
Ottosen, IA

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

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).

  • 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 48min).

Average sunshine days in August
Ottosen, IA

Average sunshine days in August - Ottosen, IA
  • Average sunshine days in August: 17.5 days

The month with the most sunshine days is November (22.5 days).
The month with the least sunshine days is June (12.8 days).

Average UV index in August
Ottosen, IA

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

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

Average cloud cover in August
Ottosen, IA

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

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

Average visibility in August
Ottosen, IA

Average visibility in August - Ottosen, 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).

Ottosen, Iowa, USA

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