August weather forecast
Otley, IA

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Weather in August

The last month of the summer, August, is another warm month in Otley, Iowa, with an average temperature ranging between max 81.3°F (27.4°C) and min 62.6°F (17°C).

Temperature

Otley experiences a minor change to a still moderately hot 81.3°F (27.4°C) in average high-temperature during August, closely reflecting July. Throughout August, Otley registers a consistent average low-temperature of 62.6°F (17°C).

Heat index

The average heat index in August is evaluated at a tropical 87.8°F (31°C). If one remains active during constant exposure, it might cause exhaustion and heat cramps.
Consider that heat index readings are for situations in the shade and light wind. When exposed to the direct sun, the heat index may augment by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', is an estimation of the warmth sensation when considering humidity levels. Additional elements including metabolic differences, the level of physical activity, and attire have a role in shaping the individual's temperature perception. Understand that direct sun rays can influence the weather's impact, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Kids are usually in more danger than grown-ups as they tend to sweat less. Plus, their bigger skin surface in relation to their small frames and increased heat generation due to their activity level make them more susceptible.

Humidity

In Otley, the average relative humidity in August is 79%.

Rainfall

In Otley, in August, it is raining for 11.5 days, with typically 1.06" (27mm) of accumulated precipitation. In Otley, during the entire year, the rain falls for 109.6 days and collects up to 12.28" (312mm) of precipitation.

Snowfall

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

Daylight

The average length of the day in August in Otley is 13h and 47min.
On the first day of the month, sunrise is at 6:07 am and sunset at 8:29 pm. On the last day of August, in Otley, sunrise is at 6:38 am and sunset at 7:46 pm CDT.

Sunshine

In Otley, the average sunshine in August is 9.8h.

UV index

In August, the average daily maximum UV index in Otley, Iowa, is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.
Note: An average UV index of 5 in August transforms into this advice:
Take necessary precautions - Suggestions to elude sunburn are provided. It's recommended to limit sun exposure when its radiation is at its peak during midday. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are August temperatures in Otley?

In Otley, 81.3°F (27.4°C) is the average high-temperature and 62.6°F (17°C) is the average low-temperature during August. The average heat index (a.k.a. 'feels like', 'apparent temperature'), which combines air temperature and relative humidity, in August is evaluated at 87.8°F (31°C).

What is the average humidity in August in Otley?

In Otley, Iowa, the average relative humidity in August is 79%.

How much does it rain in Otley in August?

In Otley, in August, it is raining for 11.5 days, with typically 1.06" (27mm) of accumulated precipitation.

When it does not snow in Otley?

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

How many hours of daylight does Otley have in August?

The average day length in August in Otley is 13h and 47min.

What time are sunrise and sunset in August in Otley?

On the first day of August in Otley, Iowa, sunrise is at 6:07 am and sunset at 8:29 pm. On the last day of the month, sunrise is at 6:38 am and sunset at 7:46 pm CDT.

How long on average sun shines in August in Otley?

The average sunshine duration in August is 9.8h.

How high is the UV index in August in Otley?

In August, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a medium hazard to health 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
Otley, IA

Average temperature in August - Otley, IA
  • Average high temperature in August: 81.3°F

The warmest month (with the highest average high temperature) is July (82.2°F).
The month with the lowest average high temperature is January (28°F).

  • Average low temperature in August: 62.6°F

The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (14.9°F).

Average pressure in August
Otley, IA

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

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).

Average wind speed in August
Otley, IA

Average wind speed in August - Otley, IA
  • Average wind speed in August: 6.9mph

The windiest months (with the highest average wind speed) are March and April (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.9mph).

Average humidity in August
Otley, IA

Average humidity in August - Otley, IA
  • Average humidity in August: 79%

The months with the highest relative humidity are January, February, June and July (82%).
The month with the lowest relative humidity is October (71%).

Average rainfall in August
Otley, IA

Average rainfall in August - Otley, IA
  • Average rainfall in August: 1.06"

The wettest month (with the highest rainfall) is May (2.09").
The driest months (with the least rainfall) are January and February (0.43").

Average rainfall days in August
Otley, IA

Average rainfall days in August - Otley, IA
  • Average rainfall days in August: 11.5 days

The month with the highest number of rainy days is May (14.3 days).
The month with the least rainy days is February (3.3 days).

Average snowfall in August
Otley, IA

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

The month with the highest snowfall is January (1.81").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in August
Otley, IA

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

The month with the highest number of snowfall days is January (7.9 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in August / Average sunshine in August - Otley, 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: 9h and 5min

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
Otley, IA

Average sunshine days in August - Otley, IA
  • Average sunshine days in August: 16.9 days

The month with the most sunshine days is December (21.9 days).
The month with the least sunshine days is June (12.4 days).

Average UV index in August
Otley, IA

Average UV index in August - Otley, 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 January (UV index 1).

Average cloud cover in August
Otley, IA

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

The month with the most cloud cover is January (Cloud cover 55).
The months with the least cloud cover are July and September (Cloud cover 30).

Average visibility in August
Otley, IA

Average visibility in August - Otley, IA
  • Average visibility in August: 5mi

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

Otley, Iowa, USA

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