August weather forecast
Mount Union, IA

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Weather in August

August, the last month of the summer in Mount Union, is also a moderately hot month, with an average temperature ranging between max 81.7°F (27.6°C) and min 63.3°F (17.4°C).

Temperature

The advent of August denotes an average high-temperature of a still warm 81.7°F (27.6°C), subtly different from July's 82.4°F (28°C). Mount Union's average low-temperature is measured at a comfortable 63.3°F (17.4°C) during August.

Heat index

In August, the average heat index is computed to be a hot 87.8°F (31°C). With extended exposure and activity, one might feel exhausted and experience heat cramps.
The standards for the heat index are set for locations in shade and under light breezes. The heat index can potentially augment by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'real feel' or 'apparent temperature', comes about by integrating the temperature readings with the humidity levels. An individual's perception of weather can be swayed by a variety of elements including metabolic differences, pregnancy status, and their level of physical exertion. Realize that direct exposure to sunlight can augment the felt heat, leading to a potential increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Kids frequently fail to realize the necessity for resting and hydrating. Thirst is an advanced indication of dehydration - hence, maintaining hydration, especially during extended physical activities, becomes essential.

Humidity

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

Rainfall

In August, the rain falls for 13.1 days. Throughout August, 2.2" (56mm) of precipitation is accumulated. In Mount Union, during the entire year, the rain falls for 140.1 days and collects up to 29.92" (760mm) of precipitation.

Snowfall

In Mount Union, snow does not fall in May through September.

Daylight

In August, the average length of the day is 13h and 46min.
On the first day of August in Mount Union, sunrise is at 6:02 am and sunset at 8:21 pm. On the last day of the month, sunrise is at 6:32 am and sunset at 7:39 pm CDT.

Sunshine

In August, the average sunshine is 9.9h.

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for average individuals.
Note: The maximum UV index, 6 during August, leads to the following recommendations:
Follow precautions and abide by sun safety rules. Deterrence of sunburn is imperative. The Sun emits the most powerful UV radiation between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
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Frequently asked questions

What are August temperatures in Mount Union?

The average high-temperature and low-temperature in Mount Union, Iowa, during August are 81.7°F (27.6°C) and 63.3°F (17.4°C) respectively. The average heat index (a.k.a. 'apparent temperature', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, in August is computed to be 87.8°F (31°C).

What is the average humidity in August in Mount Union?

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

How many days does it rain in August in Mount Union?

In Mount Union, in August, during 13.1 rainfall days, 2.2" (56mm) of precipitation is typically accumulated.

When it does not snow in Mount Union?

In Mount Union, snow does not fall in May through September.

How many hours of daylight does Mount Union have in August?

In Mount Union, the average day length in August is 13h and 46min.

When is the sunrise / sunset in August in Mount Union?

On the first day of August in Mount Union, Iowa, sunrise is at 6:02 am and sunset at 8:21 pm. On the last day of the month, sunrise is at 6:32 am and sunset at 7:39 pm CDT.

How long on average sun shines in August in Mount Union?

The average sunshine duration in August is 9.9h.

When is the highest UV index in Mount Union?

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

What is the UV index reading in August in Mount Union?

In Mount Union, Iowa, the average daily maximum UV index in August is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability 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
Mount Union, IA

Average temperature in August - Mount Union, IA
  • Average high temperature in August: 81.7°F

The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (29.7°F).

  • Average low temperature in August: 63.3°F

The month with the highest average low temperature is July (65.3°F).
The coldest month (with the lowest average low temperature) is January (17.4°F).

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Average pressure in August
Mount Union, IA

Average pressure in August - Mount Union, 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 (29.9"Hg).

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Average wind speed in August
Mount Union, IA

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

The windiest month (with the highest average wind speed) is January (10.7mph).
The calmest months (with the lowest average wind speed) are July and August (6.9mph).

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Average humidity in August
Mount Union, IA

Average humidity in August - Mount Union, IA
  • Average humidity in August: 79%

The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is October (71%).

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Average rainfall in August
Mount Union, IA

Average rainfall in August - Mount Union, IA
  • Average rainfall in August: 2.2"

The wettest month (with the highest rainfall) is May (4.29").
The driest months (with the least rainfall) are February and December (1.38").

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Average rainfall days in August
Mount Union, IA

Average rainfall days in August - Mount Union, IA
  • Average rainfall days in August: 13.1 days

The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is February (4.6 days).

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Average snowfall in August
Mount Union, IA

Average snowfall in August - Mount Union, IA
  • Average snowfall in August: 0"

The month with the highest snowfall is January (4.76").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in August
Mount Union, IA

Average snowfall days in August - Mount Union, IA
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (9.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in August /
Average sunshine in August
Mount Union, IA

Average daylight in August / Average sunshine in August - Mount Union, 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 18min).

  • Average sunshine in August: 9h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).

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Average sunshine days in August
Mount Union, IA

Average sunshine days in August - Mount Union, IA
  • Average sunshine days in August: 14.8 days

The month with the most sunshine days is October (18.4 days).
The month with the least sunshine days is May (10.6 days).

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Average UV index in August
Mount Union, IA

Average UV index in August - Mount Union, IA
  • Average UV index in August: 6

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

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Average cloud cover in August
Mount Union, IA

Average cloud cover in August - Mount Union, IA
  • Average cloud cover in August: 31

The month with the most cloud cover is January (Cloud cover 56).
The months with the least cloud cover are July, August and September (Cloud cover 31).

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Average visibility in August
Mount Union, IA

Average visibility in August - Mount Union, 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).

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Mount Union, Iowa, USA

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