August weather forecast
Belle Plaine, IA

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Weather in August

August, the last month of the summer in Belle Plaine, is also a moderately hot month, with temperature in the range of an average high of 79.5°F (26.4°C) and an average low of 61.9°F (16.6°C).

Temperature

The transition into August marks the average high-temperature at a still warm 79.5°F (26.4°C), differing minimally from July's 80.8°F (27.1°C). Belle Plaine, during the month of August, experiences an average low-temperature of 61.9°F (16.6°C).

Humidity

In Belle Plaine, the average relative humidity in August is 81%.

Rainfall

In August, the rain falls for 13.3 days. Throughout August, 2.24" (57mm) of precipitation is accumulated. In Belle Plaine, during the entire year, the rain falls for 139 days and collects up to 29.49" (749mm) of precipitation.

Snowfall

In Belle Plaine, snow does not fall in June through September.

Daylight

In August, the average length of the day in Belle Plaine is 13h and 49min.
On the first day of the month, sunrise is at 6:03 am and sunset at 8:27 pm. On the last day of August, sunrise is at 6:34 am and sunset at 7:43 pm CDT.

Sunshine

In August, the average sunshine is 9.7h.

UV index

In Belle Plaine, Iowa, the average daily maximum UV index in August is 5. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the average person.
Note: In August, the maximum UV index of 5 suggests these recommendations:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. When the Sun is at its strongest around midday, find shade and limit exposure. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are August temperatures in Belle Plaine?

The average high-temperature and low-temperature in Belle Plaine, Iowa, during August are 79.5°F (26.4°C) and 61.9°F (16.6°C) respectively. In July, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which combines air temperature and relative humidity, is estimated at 86°F (30°C).

What is the average humidity in August in Belle Plaine?

In August, the average relative humidity in Belle Plaine, Iowa, is 81%.

How much does it rain in Belle Plaine in August?

In August, the rain falls for 13.3 days. Throughout August, 2.24" (57mm) of precipitation is accumulated.

When it does not snow in Belle Plaine?

June through September are months without snowfall in Belle Plaine, Iowa.

How many hours of daylight does Belle Plaine have in August?

The average day length in August in Belle Plaine, Iowa, is 13h and 49min.

What time are sunrise and sunset in August in Belle Plaine?

On the first day of August in Belle Plaine, sunrise is at 6:03 am and sunset at 8:27 pm. On the last day of the month, sunrise is at 6:34 am and sunset at 7:43 pm CDT.

How long on average sun shines in August in Belle Plaine?

The average sunshine duration in August in Belle Plaine is 9.7h.

What is the UV index reading in August in Belle Plaine?

In August, the average daily maximum UV index in Belle Plaine, Iowa, is 5. A UV Index reading 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
Belle Plaine, IA

Average temperature in August - Belle Plaine, IA
  • Average high temperature in August: 79.5°F

The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (25.9°F).

  • Average low temperature in August: 61.9°F

The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (13.5°F).

Average pressure in August
Belle Plaine, IA

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

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).

Average wind speed in August
Belle Plaine, IA

Average wind speed in August - Belle Plaine, IA
  • Average wind speed in August: 7mph

The windiest month (with the highest average wind speed) is April (10.8mph).
The calmest month (with the lowest average wind speed) is August (7mph).

Average humidity in August
Belle Plaine, IA

Average humidity in August - Belle Plaine, IA
  • Average humidity in August: 81%

The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is October (72%).

Average rainfall in August
Belle Plaine, IA

Average rainfall in August - Belle Plaine, IA
  • Average rainfall in August: 2.24"

The wettest month (with the highest rainfall) is May (4.61").
The driest month (with the least rainfall) is January (1.18").

Average rainfall days in August
Belle Plaine, IA

Average rainfall days in August - Belle Plaine, IA
  • Average rainfall days in August: 13.3 days

The month with the highest number of rainy days is June (19.3 days).
The month with the least rainy days is January (4.5 days).

Average snowfall in August
Belle Plaine, IA

Average snowfall in August - Belle Plaine, IA
  • Average snowfall in August: 0"

The month with the highest snowfall is January (5.24").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in August
Belle Plaine, IA

Average snowfall days in August - Belle Plaine, IA
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is February (10.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in August /
Average sunshine in August
Belle Plaine, IA

Average daylight in August / Average sunshine in August - Belle Plaine, 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 12min).

  • Average sunshine in August: 9h and 4min

The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).

Average sunshine days in August
Belle Plaine, IA

Average sunshine days in August - Belle Plaine, IA
  • Average sunshine days in August: 15.1 days

The month with the most sunshine days is October (19.2 days).
The month with the least sunshine days is June (8.4 days).

Average UV index in August
Belle Plaine, IA

Average UV index in August - Belle Plaine, IA
  • Average UV index in August: 5

The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, February, October, November and December (UV index 2).

Average cloud cover in August
Belle Plaine, IA

Average cloud cover in August - Belle Plaine, IA
  • Average cloud cover in August: 31

The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is September (Cloud cover 30).

Average visibility in August
Belle Plaine, IA

Average visibility in August - Belle Plaine, 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).

Belle Plaine, Iowa, USA

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