August weather forecast
West Grove, IA

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Weather in August

The last month of the summer, August, is also a moderately hot month in West Grove, Iowa, with temperature in the range of an average low of 63.5°F (17.5°C) and an average high of 82.2°F (27.9°C).

Temperature

West Grove marks the onset of August with an average high-temperature of a still warm 82.2°F (27.9°C), subtly divergent from July's 83.1°F (28.4°C). In West Grove, the expected average low-temperature for August is an enjoyable 63.5°F (17.5°C).

Heat index

For August, the heat index is computed to be a hot 89.6°F (32°C). If activity and exposure persist, they could induce fatigue, leading to possible heat cramps.
Realize that the values for the heat index are set for shaded places and light winds. A rise in the heat index by 15 Fahrenheit (8 Celsius) degrees may result from direct sunlight exposure.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', takes into account both air temperature and humidity to illustrate what people actually feel. A person's impression of weather can be swayed by numerous aspects, among them metabolic variations, pregnancy, and activity levels. In direct sunlight, the heat's impact can be heightened, potentially leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Children frequently do not understand the need for recuperation and hydration. Thirst, being a late manifestation of dehydration, underlines the need to hydrate frequently, especially when engaging in prolonged physical exercises.

Humidity

In August, the average relative humidity in West Grove is 78%.

Rainfall

In West Grove, Iowa, in August, during 11.5 rainfall days, 1.93" (49mm) of precipitation is typically accumulated. In West Grove, during the entire year, the rain falls for 133.4 days and collects up to 26.54" (674mm) of precipitation.

Snowfall

May through September are months without snowfall.

Daylight

The average length of the day in August is 13h and 44min.
On the first day of August in West Grove, Iowa, sunrise is at 6:07 am and sunset at 8:25 pm. On the last day of the month, sunrise is at 6:37 am and sunset at 7:43 pm CDT.

Sunshine

In West Grove, the average sunshine in August is 10.1h.

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for the average person.
Note: The maximum daily UV index of 6 in August converts into the following recommendations:
Dodge overexposure. Fair-skinned people can get singed in less than 20 minutes. Avoid direct sunlight between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Keep in mind that shade structures may not provide complete protection. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in West Grove in August?

In August, the average high-temperature and low-temperature in West Grove, Iowa, are 82.2°F (27.9°C) and 63.5°F (17.5°C) respectively. In August, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which factors the actual air temperature with the relative humidity, is computed to be 89.6°F (32°C).

What is the average humidity in August in West Grove?

In West Grove, the average relative humidity in August is 78%.

How much does it rain in West Grove in August?

In West Grove, in August, it is raining for 11.5 days, with typically 1.93" (49mm) of accumulated precipitation.

When it does not snow in West Grove?

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

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

In West Grove, Iowa, the average day length in August is 13h and 44min.

What time are sunrise and sunset in August in West Grove?

On the first day of August in West Grove, sunrise is at 6:07 am and sunset at 8:25 pm. On the last day of the month, sunrise is at 6:37 am and sunset at 7:43 pm CDT.

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

In August, the average sunshine duration in West Grove, Iowa, is 10.1h.

What is the month with the highest UV index in West Grove?

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

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

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

Average temperature in August - West Grove, IA
  • Average high temperature in August: 82.2°F

The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (30.2°F).

  • Average low temperature in August: 63.5°F

The month with the highest average low temperature is July (66.4°F).
The coldest month (with the lowest average low temperature) is January (17.6°F).

Average pressure in August
West Grove, IA

Average pressure in August - West Grove, 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).

Average wind speed in August
West Grove, IA

Average wind speed in August - West Grove, IA
  • Average wind speed in August: 7mph

The windiest month (with the highest average wind speed) is January (10.8mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).

Average humidity in August
West Grove, IA

Average humidity in August - West Grove, IA
  • Average humidity in August: 78%

The month with the highest relative humidity is June (83%).
The month with the lowest relative humidity is October (72%).

Average rainfall in August
West Grove, IA

Average rainfall in August - West Grove, IA
  • Average rainfall in August: 1.93"

The wettest month (with the highest rainfall) is June (3.86").
The driest month (with the least rainfall) is January (1.26").

Average rainfall days in August
West Grove, IA

Average rainfall days in August - West Grove, IA
  • Average rainfall days in August: 11.5 days

The months with the highest number of rainy days are May and June (16.8 days).
The months with the least rainy days are January and February (6 days).

Average snowfall in August
West Grove, IA

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

The month with the highest snowfall is January (4.84").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in August
West Grove, IA

Average snowfall days in August - West Grove, IA
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (10.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

Average daylight in August / Average sunshine in August - West Grove, IA
  • Average daylight in August: 13h and 4min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in August: 10h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).

Average sunshine days in August
West Grove, IA

Average sunshine days in August - West Grove, IA
  • Average sunshine days in August: 18.8 days

The month with the most sunshine days is October (19.5 days).
The month with the least sunshine days is June (11.2 days).

Average UV index in August
West Grove, IA

Average UV index in August - West Grove, 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, February, November and December (UV index 2).

Average cloud cover in August
West Grove, IA

Average cloud cover in August - West Grove, IA
  • Average cloud cover in August: 28

The month with the most cloud cover is January (Cloud cover 53).
The months with the least cloud cover are July, August and September (Cloud cover 28).

Average visibility in August
West Grove, IA

Average visibility in August - West Grove, 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).

West Grove, Iowa, USA

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