August weather forecast
Mapleton, IA

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Weather in August

August, the last month of the summer in Mapleton, is another warm month, with temperature in the range of an average low of 61.7°F (16.5°C) and an average high of 82°F (27.8°C).

Temperature

Mapleton observes a minor difference in average high-temperatures between July's 83.8°F (28.8°C) and August's 82°F (27.8°C). During the month of August, an average low-temperature of 61.7°F (16.5°C) is recorded.

Heat index

August's heat index is estimated at a tropical 87.8°F (31°C). Exhaustion becomes probable with enduring exposure and activity, potentially causing heat cramps.
Thinking about the heat index, one should account for its values in shaded areas with gentle breezes. The heat index may scale up by 15 Fahrenheit (8 Celsius) degrees with direct sun exposure.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', determines the feeling of heat when you account for the relative humidity. One's weather perception can be influenced by a range of factors including metabolic differences, being pregnant, and their level of physical activity. Be mindful that being in direct sunlight might mean feeling hotter, with the heat index rising by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Young ones generally face higher dangers than adults since they sweat less. Along with their large skin surface area compared totheir small bodies and increased heat production from their activities, the risks are heightened.

Humidity

In Mapleton, the average relative humidity in August is 76%.

Rainfall

In Mapleton, during August, the rain falls for 13.8 days and regularly aggregates up to 2.28" (58mm) of precipitation. Throughout the year, in Mapleton, there are 117.6 rainfall days, and 21.89" (556mm) of precipitation is accumulated.

Snowfall

May through September are months without snowfall.

Daylight

In August, the average length of the day in Mapleton is 13h and 50min.
On the first day of August, sunrise is at 6:17 am and sunset at 8:41 pm. On the last day of the month, sunrise is at 6:48 am and sunset at 7:58 pm CDT.

Sunshine

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

UV index

The months with the highest UV index in Mapleton are June through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: A maximum high daily UV index of 6 during August translates into the following directions:
Enforce precautions and stick to sun safety measures. Preservation from skin and eye damage is essential. It's important to stay in the shade and limit exposure to the sun from 10 a.m. to 4 p.m., when UV radiation is most intense, although remember that shade structures may not provide full sun protection. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are August temperatures in Mapleton?

The average high-temperature, in August, in Mapleton, is 82°F (27.8°C), while the average low-temperature is 61.7°F (16.5°C). In August, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which calculates the temperature value influenced by the moisture in the air, is estimated at 87.8°F (31°C).

What is the average humidity in August in Mapleton?

The average relative humidity in August is 76%.

How much does it rain in Mapleton in August?

In August, in Mapleton, Iowa, the rain falls for 13.8 days. Throughout August, 2.28" (58mm) of precipitation is accumulated.

When it does not snow in Mapleton?

In Mapleton, snow does not fall in May through September.

How many hours of daylight does Mapleton have in August?

In August, the average day length is 13h and 50min.

When is the sunrise / sunset in August in Mapleton?

In August, on the first day of the month, sunrise is at 6:17 am and sunset at 8:41 pm. On the last day of the month, in Mapleton, sunrise is at 6:48 am and sunset at 7:58 pm CDT.

How many hours of sunshine does Mapleton have in August?

In Mapleton, the average sunshine duration in August is 9.8h.

What are the months with the highest UV index in Mapleton?

The months with the highest UV index in Mapleton are June through August, with an average maximum UV index of 6.

What is the UV index reading in August in Mapleton?

The average daily maximum UV index in August in Mapleton, Iowa, is 6. A UV Index of 6 to 7 symbolizes a high hazard to health from unsafe 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
Mapleton, IA

Average temperature in August - Mapleton, IA
  • Average high temperature in August: 82°F

The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (28°F).

  • Average low temperature in August: 61.7°F

The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (15.1°F).

Average pressure in August
Mapleton, IA

Average pressure in August - Mapleton, IA
  • Average pressure in August: 29.95"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).

Average wind speed in August
Mapleton, IA

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

The windiest month (with the highest average wind speed) is April (10.9mph).
The calmest month (with the lowest average wind speed) is July (7.4mph).

Average humidity in August
Mapleton, IA

Average humidity in August - Mapleton, IA
  • Average humidity in August: 76%

The month with the highest relative humidity is January (82%).
The months with the lowest relative humidity are April and October (66%).

Average rainfall in August
Mapleton, IA

Average rainfall in August - Mapleton, IA
  • Average rainfall in August: 2.28"

The wettest month (with the highest rainfall) is May (3.31").
The driest month (with the least rainfall) is January (0.67").

Average rainfall days in August
Mapleton, IA

Average rainfall days in August - Mapleton, IA
  • Average rainfall days in August: 13.8 days

The month with the highest number of rainy days is May (16.6 days).
The month with the least rainy days is February (2.7 days).

Average snowfall in August
Mapleton, IA

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

The month with the highest snowfall is February (3.03").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in August
Mapleton, IA

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

The month with the highest number of snowfall days is January (8.9 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in August / Average sunshine in August - Mapleton, 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 5min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).

Average sunshine days in August
Mapleton, IA

Average sunshine days in August - Mapleton, IA
  • Average sunshine days in August: 14.3 days

The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is June (12 days).

Average UV index in August
Mapleton, IA

Average UV index in August - Mapleton, IA
  • Average UV index in August: 6

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are February and December (UV index 1).

Average cloud cover in August
Mapleton, IA

Average cloud cover in August - Mapleton, IA
  • Average cloud cover in August: 30

The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is July (Cloud cover 26).

Average visibility in August
Mapleton, IA

Average visibility in August - Mapleton, IA
  • Average visibility in August: 6mi

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

Mapleton, Iowa, USA

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