August weather forecast
West Chester, IA

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Weather in August

August, the last month of the summer in West Chester, is also a moderately hot month, with an average temperature ranging between min 63°F (17.2°C) and max 81.1°F (27.3°C).

Temperature

As West Chester welcomes August, the average high-temperature is noted at a still moderately hot 81.1°F (27.3°C), closely aligning with the preceding month. West Chester's nights in August cool down to an average low-temperature of 63°F (17.2°C).

Heat index

In August, the average heat index is appraised at a tropical 86°F (30°C). Extended exposure and activity might lead to tiredness, potentially resulting in heat cramps.
Heat index evaluations are typically in the context of light winds and shaded environments. If directly exposed to the sun, the heat index could rise by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', measures the perceived warmth when incorporating the humidity present in the air. The impact of weather is personal, differing among a variety of people based on differences in body mass, height, and the level of physical exertion. Keep it in mind, direct sunlight can augment the heat you experience, possibly pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Young people are generally more susceptible than adults because they perspire less. Furthermore, their proportionally larger skin surface to their petite bodies and the increased heat output from their actions add to the risk.

Humidity

In West Chester, Iowa, the average relative humidity in August is 79%.

Rainfall

In West Chester, during August, the rain falls for 11.8 days and regularly aggregates up to 1.34" (34mm) of precipitation. Throughout the year, there are 123.7 rainfall days, and 18.94" (481mm) of precipitation is accumulated.

Snowfall

In West Chester, Iowa, snow does not fall in May through September.

Daylight

In West Chester, the average length of the day in August is 13h and 47min.
On the first day of the month, sunrise is at 6:03 am and sunset at 8:23 pm. On the last day of August, sunrise is at 6:33 am and sunset at 7:41 pm CDT.

Sunshine

The average sunshine in August in West Chester is 10.1h.

UV index

In August, the average daily maximum UV index in West Chester is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: An average UV index of 5 in August transforms into this advice:
Take necessary precautions - Protection from skin and eye injury is mandatory. Around midday, solar radiation is most harmful; hence, exposure should be limited. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
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Frequently asked questions

What is the temperature in August in West Chester?

In West Chester, in August, the average high-temperature is 81.1°F (27.3°C), and the average low-temperature is 63°F (17.2°C). The average heat index (a.k.a. 'feels like', 'apparent temperature'), which combines air temperature and relative humidity, in August is appraised at 86°F (30°C).

What is the average humidity in August in West Chester?

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

How many days does it rain in August in West Chester?

In West Chester, during August, the rain falls for 11.8 days and regularly aggregates up to 1.34" (34mm) of precipitation.

When it does not snow in West Chester?

May through September are months without snowfall in West Chester, Iowa.

What is the average length of the day in August in West Chester?

In West Chester, Iowa, the average day length in August is 13h and 47min.

When is the sunrise / sunset in August in West Chester?

In August, on the first day of the month, sunrise is at 6:03 am and sunset at 8:23 pm. On the last day of the month, sunrise is at 6:33 am and sunset at 7:41 pm CDT.

How long on average sun shines in August in West Chester?

The average sunshine duration in August in West Chester, Iowa, is 10.1h.

How high is the UV index in August in West Chester?

In West Chester, the average daily maximum UV index in August is 5. A UV Index of 3 to 5 symbolizes a medium health risk 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
West Chester, IA

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

The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (28.8°F).

  • Average low temperature in August: 63°F

The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (16.5°F).

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Average pressure in August
West Chester, IA

Average pressure in August - West Chester, 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
West Chester, IA

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

The windiest month (with the highest average wind speed) is January (10.7mph).
The calmest month (with the lowest average wind speed) is August (6.8mph).

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Average humidity in August
West Chester, IA

Average humidity in August - West Chester, IA
  • Average humidity in August: 79%

The months with the highest relative humidity are January and July (83%).
The month with the lowest relative humidity is October (72%).

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Average rainfall in August
West Chester, IA

Average rainfall in August - West Chester, IA
  • Average rainfall in August: 1.34"

The wettest month (with the highest rainfall) is May (2.91").
The driest month (with the least rainfall) is December (0.71").

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Average rainfall days in August
West Chester, IA

Average rainfall days in August - West Chester, IA
  • Average rainfall days in August: 11.8 days

The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is February (4.2 days).

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Average snowfall in August
West Chester, IA

Average snowfall in August - West Chester, IA
  • Average snowfall in August: 0"

The month with the highest snowfall is January (2.52").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in August
West Chester, IA

Average snowfall days in August - West Chester, 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 May, June, July, August and September (0 days).

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Average daylight in August /
Average sunshine in August
West Chester, IA

Average daylight in August / Average sunshine in August - West Chester, 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 1min

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
West Chester, IA

Average sunshine days in August - West Chester, IA
  • Average sunshine days in August: 15.5 days

The month with the most sunshine days is December (20.5 days).
The month with the least sunshine days is May (10.9 days).

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Average UV index in August
West Chester, IA

Average UV index in August - West Chester, IA
  • Average UV index in August: 5

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

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Average cloud cover in August
West Chester, IA

Average cloud cover in August - West Chester, 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
West Chester, IA

Average visibility in August - West Chester, 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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West Chester, Iowa, USA

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