August weather forecast
Manly, IA

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Weather in August

August, the last month of the summer in Manly, is another warm month, with an average temperature ranging between min 59.5°F (15.3°C) and max 76.8°F (24.9°C).

Temperature

Welcoming August, Manly notes an average high-temperature of a still moderately hot 76.8°F (24.9°C), nearly consistent with July's 79.2°F (26.2°C). During August, Manly sees a mean low-temperature of 59.5°F (15.3°C).

Humidity

The average relative humidity in August in Manly is 82%.

Rainfall

In Manly, during August, the rain falls for 14.7 days and regularly aggregates up to 2.4" (61mm) of precipitation. Throughout the year, in Manly, there are 134.3 rainfall days, and 25.08" (637mm) of precipitation is accumulated.

Snowfall

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

Daylight

In Manly, the average length of the day in August is 13h and 54min.
On the first day of August, sunrise is at 6:03 am and sunset at 8:34 pm. On the last day of the month, sunrise is at 6:36 am and sunset at 7:49 pm CDT.

Sunshine

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

UV index

In Manly, the average daily maximum UV index in August is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the average person.
Note: In August, the UV index of 5 transforms into the following advice:
Take necessary precautions - Protection from skin and eye injury is mandatory. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Boost your sun resistance with garments that are densely woven yet spacious.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in August in Manly?

August temperatures in Manly, Iowa, vary between a high-temperature of 76.8°F (24.9°C) and a low-temperature of 59.5°F (15.3°C).

What is the average humidity in August in Manly?

In August, the average relative humidity is 82%.

How much does it rain in Manly in August?

In Manly, Iowa, in August, during 14.7 rainfall days, 2.4" (61mm) of precipitation is typically accumulated.

When it does not snow in Manly?

June through September are months without snowfall in Manly, Iowa.

How many hours of daylight does Manly have in August?

In August, the average day length is 13h and 54min.

What time are sunrise and sunset in August in Manly?

On the first day of August in Manly, Iowa, sunrise is at 6:03 am and sunset at 8:34 pm. On the last day of the month, sunrise is at 6:36 am and sunset at 7:49 pm CDT.

How many hours of sunshine does Manly have in August?

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

What is the UV index intensity in August in Manly?

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
Manly, IA

Average temperature in August - Manly, IA
  • Average high temperature in August: 76.8°F

The warmest month (with the highest average high temperature) is July (79.2°F).
The month with the lowest average high temperature is January (21.6°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°F).

Average pressure in August
Manly, IA

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

The months with the highest atmospheric pressure are January and February (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

Average wind speed in August
Manly, IA

Average wind speed in August - Manly, IA
  • Average wind speed in August: 7.4mph

The windiest month (with the highest average wind speed) is April (10.8mph).
The calmest months (with the lowest average wind speed) are July and August (7.4mph).

Average humidity in August
Manly, IA

Average humidity in August - Manly, IA
  • Average humidity in August: 82%

The month with the highest relative humidity is January (90%).
The months with the lowest relative humidity are April and October (72%).

Average rainfall in August
Manly, IA

Average rainfall in August - Manly, IA
  • Average rainfall in August: 2.4"

The wettest month (with the highest rainfall) is June (4.13").
The driest month (with the least rainfall) is January (0.94").

Average rainfall days in August
Manly, IA

Average rainfall days in August - Manly, IA
  • Average rainfall days in August: 14.7 days

The month with the highest number of rainy days is June (18.4 days).
The month with the least rainy days is February (2.9 days).

Average snowfall in August
Manly, IA

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

The month with the highest snowfall is February (5.94").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in August
Manly, IA

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

The month with the highest number of snowfall days is January (13.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in August / Average sunshine in August - Manly, 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 0min).

  • Average sunshine in August: 9h and 4min

The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).

Average sunshine days in August
Manly, IA

Average sunshine days in August - Manly, IA
  • Average sunshine days in August: 14 days

The month with the most sunshine days is October (18.1 days).
The month with the least sunshine days is June (9.1 days).

Average UV index in August
Manly, IA

Average UV index in August - Manly, 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, November and December (UV index 1).

Average cloud cover in August
Manly, IA

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

The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 32).

Average visibility in August
Manly, IA

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

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

Manly, Iowa, USA

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