August weather forecast
Muscatine, IA

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Weather in August

Weather in August in Muscatine cools slightly from its peak in July down to 81.1°F (27.3°C), indicating a softer summer experience. This period also registers a lower precipitation level related to previous months. As the sun continues to beam brightly over the days, many flock to enjoy the city's outdoor amenities. Such weather conditions certainly make for picturesque summer days.

Temperature

The advent of August in Muscatine observes an average high-temperature of a still moderately hot 81.1°F (27.3°C), nearly identical to July's 81.7°F (27.6°C). Muscatine's average low-temperature is measured at an enjoyable 63.1°F (17.3°C) during August.

Heat index

Throughout August, the heat index is appraised at a hot 86°F (30°C). When exposure and activity are sustained, they could induce fatigue, with a chance of heat cramps.
Heat index specifics point out values are for conditions of shade and a slight breeze. Direct sunlight exposure may cause a 15 Fahrenheit (8 Celsius) degrees rise in the heat index.
Note: The heat index, also known as 'feels like' or 'real feel', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. The impact of weather is individual, with diverse individuals experiencing it differently due to variations in body mass, height, and activity levels. Consider that direct sun exposure can intensify the felt heat, adding potentially 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are especially vital to 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 August, the average relative humidity is 79%.

Rainfall

In Muscatine, in August, during 14.2 rainfall days, 2.2" (56mm) of precipitation is typically accumulated. Throughout the year, in Muscatine, there are 153.8 rainfall days, and 31.69" (805mm) of precipitation is accumulated.

Snowfall

May through September are months without snowfall in Muscatine.

Daylight

In August, the average length of the day in Muscatine, Iowa, is 13h and 47min.
On the first day of the month, sunrise is at 5:59 am and sunset at 8:21 pm. On the last day of August, in Muscatine, sunrise is at 6:30 am and sunset at 7:38 pm CDT.

Sunshine

In August, the average sunshine in Muscatine is 10h.

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for the average person.
Note: In August, the maximum UV index of 6 transforms into these recommendations:
Ward off overexposure. Defence against solar harm is crucial. 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. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
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Frequently asked questions

What is the temperature in August in Muscatine?

August temperatures vary between a high-temperature of 81.1°F (27.3°C) and a low-temperature of 63.1°F (17.3°C). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, in August is appraised at 86°F (30°C).

What is the average humidity in August in Muscatine?

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

How much does it rain in Muscatine in August?

In Muscatine, in August, it is raining for 14.2 days, with typically 2.2" (56mm) of accumulated precipitation.

When it does not snow in Muscatine?

May through September are months without snowfall in Muscatine, Iowa.

What is the average length of the day in August in Muscatine?

The average day length in August in Muscatine, Iowa, is 13h and 47min.

When are sunrise and sunset in August in Muscatine?

On the first day of August in Muscatine, sunrise is at 5:59 am and sunset at 8:21 pm. On the last day of the month, sunrise is at 6:30 am and sunset at 7:38 pm CDT.

How long on average sun shines in August in Muscatine?

In August, the average sunshine duration in Muscatine, Iowa, is 10h.

When is the highest UV index in Muscatine?

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

What is the UV index reading in August in Muscatine?

In Muscatine, Iowa, the average daily maximum UV index in August is 6. A UV Index of 6 to 7 symbolizes a high 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
Muscatine, IA

Average temperature in August - Muscatine, IA
  • Average high temperature in August: 81.1°F

The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (28.4°F).

  • Average low temperature in August: 63.1°F

The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (16.3°F).

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Average pressure in August
Muscatine, IA

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

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Average wind speed in August
Muscatine, IA

Average wind speed in August - Muscatine, IA
  • Average wind speed in August: 6.8mph

The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).

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Average humidity in August
Muscatine, IA

Average humidity in August - Muscatine, 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
Muscatine, IA

Average rainfall in August - Muscatine, IA
  • Average rainfall in August: 2.2"

The wettest month (with the highest rainfall) is May (5").
The driest months (with the least rainfall) are February and December (1.46").

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Average rainfall days in August
Muscatine, IA

Average rainfall days in August - Muscatine, IA
  • Average rainfall days in August: 14.2 days

The month with the highest number of rainy days is May (19.7 days).
The months with the least rainy days are January and February (6.3 days).

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Average snowfall in August
Muscatine, IA

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

The month with the highest snowfall is January (4.92").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in August
Muscatine, IA

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

The month with the highest number of snowfall days is January (12.2 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
Muscatine, IA

Average daylight in August / Average sunshine in August - Muscatine, 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: 10h and 0min

The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).

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Average sunshine days in August
Muscatine, IA

Average sunshine days in August - Muscatine, IA
  • Average sunshine days in August: 13.3 days

The month with the most sunshine days is November (17.2 days).
The month with the least sunshine days is June (8.3 days).

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Average UV index in August
Muscatine, IA

Average UV index in August - Muscatine, 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 January and December (UV index 1).

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Average cloud cover in August
Muscatine, IA

Average cloud cover in August - Muscatine, IA
  • Average cloud cover in August: 29

The month with the most cloud cover is January (Cloud cover 55).
The months with the least cloud cover are August and September (Cloud cover 29).

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Average visibility in August
Muscatine, IA

Average visibility in August - Muscatine, 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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Muscatine, Iowa, USA

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