August weather forecast
Grandview, IN

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Weather in August

August, the last month of the summer in Grandview, is also a moderately hot month, with an average temperature varying between 66°F (18.9°C) and 84.7°F (29.3°C).

Temperature

Grandview greets August with an average high-temperature of a still moderately hot 84.7°F (29.3°C), marking a slight deviation from the preceding month. An average low-temperature of 66°F (18.9°C) is recorded in the month of August.

Heat index

The heat index value for August is computed to be a very hot 95°F (35°C). Special measures are necessary to avoid heat cramps and heat exhaustion. Persistent activity could result in heatstroke.
When assessing, remember that heat index measurements are for light winds and shaded spots. Exposure to unobstructed sunshine could lead to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is found by incorporating humidity levels into the air temperature measurement. Additional elements including metabolic differences, the level of physical activity, and attire have a role in shaping the individual's temperature perception. With the sun shining directly, it's crucial to understand that it can increase the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Kids frequently ignore the importance of taking a break and rehydrating. Thirst is a late symptom of dehydration - thus, it is crucial to stay hydrated, especially during long-lasting physical activities.
When the body gets too warm, it perspires, leading to sweat evaporation which cools it down. When air moisture content is high, the cooling process through evaporation is not as efficient, leading to an ineffective body cooling process and a feeling of overheating. When the heat gained surpasses the body's cooling capacity, temperatures rise, signaling potential health concerns.

Humidity

The average relative humidity in August in Grandview is 77%.

Rainfall

In Grandview, during August, the rain falls for 13.8 days and regularly aggregates up to 2.24" (57mm) of precipitation. Throughout the year, in Grandview, there are 158.3 rainfall days, and 31.3" (795mm) of precipitation is accumulated.

Snowfall

In Grandview, snow does not fall in May through October.

Daylight

The average length of the day in August is 13h and 35min.
On the first day of the month, sunrise is at 5:51 am and sunset at 7:56 pm. On the last day of August, sunrise is at 6:17 am and sunset at 7:18 pm CDT.

Sunshine

July and August, with an average of 10.6h of sunshine, are months with the most sunshine.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index in Grandview. A UV Index of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: In August, a daily UV index of 6 turns into the following recommendations:
Shun overexposure. Protection from sun ravages is indispensable. Stay in the shade and limit direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is particularly strong. Remember, however, that shade structures may not provide complete protection. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
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Frequently asked questions

Is it hot in Grandview during August?

In August, in Grandview, the average high-temperature is 84.7°F (29.3°C), and the average low-temperature is 66°F (18.9°C). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which combines air temperature and relative humidity, in August is computed to be 95°F (35°C).

What is the average humidity in August in Grandview?

In Grandview, Indiana, the average relative humidity in August is 77%.

How many days does it rain in August in Grandview?

In Grandview, Indiana, in August, it is raining for 13.8 days, with typically 2.24" (57mm) of accumulated precipitation.

When it does not snow in Grandview?

May through October are months without snowfall in Grandview.

How many hours of daylight does Grandview have in August?

In August, the average day length in Grandview is 13h and 35min.

When is the sunrise / sunset in August in Grandview?

On the first day of August in Grandview, Indiana, sunrise is at 5:51 am and sunset at 7:56 pm. On the last day of the month, sunrise is at 6:17 am and sunset at 7:18 pm CDT.

What is the month with the most sunshine in Grandview?

July and August, with an average of 10.6h of sunshine, are months with the most sunshine in Grandview.

How long on average sun shines in August in Grandview?

The average sunshine duration in August is 10.6h.

When is the highest UV index in Grandview?

May through August, with an average maximum UV index of 6, are months with the highest UV index in Grandview, Indiana.

What is the UV index reading in August in Grandview?

In August, the average daily maximum UV index in Grandview, Indiana, is 6. A UV Index value 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
Grandview, IN

Average temperature in August - Grandview, IN
  • Average high temperature in August: 84.7°F

The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (39.9°F).

  • Average low temperature in August: 66°F

The month with the highest average low temperature is July (68°F).
The coldest month (with the lowest average low temperature) is January (27°F).

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Average pressure in August
Grandview, IN

Average pressure in August - Grandview, IN
  • Average pressure in August: 29.99"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

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Average wind speed in August
Grandview, IN

Average wind speed in August - Grandview, IN
  • Average wind speed in August: 5.5mph

The windiest month (with the highest average wind speed) is February (9.2mph).
The calmest month (with the lowest average wind speed) is July (5.4mph).

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Average humidity in August
Grandview, IN

Average humidity in August - Grandview, IN
  • Average humidity in August: 77%

The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is October (71%).

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Average rainfall in August
Grandview, IN

Average rainfall in August - Grandview, IN
  • Average rainfall in August: 2.24"

The wettest month (with the highest rainfall) is April (3.86").
The driest month (with the least rainfall) is September (1.46").

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Average rainfall days in August
Grandview, IN

Average rainfall days in August - Grandview, IN
  • Average rainfall days in August: 13.8 days

The month with the highest number of rainy days is May (17.2 days).
The month with the least rainy days is November (9.9 days).

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Average snowfall in August
Grandview, IN

Average snowfall in August - Grandview, IN
  • Average snowfall in August: 0"

The month with the highest snowfall is February (1.42").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in August
Grandview, IN

Average snowfall days in August - Grandview, IN
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (6.8 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
Grandview, IN

Average daylight in August / Average sunshine in August - Grandview, IN
  • Average daylight in August: 13h and 4min

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • Average sunshine in August: 10h and 4min

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

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Average sunshine days in August
Grandview, IN

Average sunshine days in August - Grandview, IN
  • Average sunshine days in August: 14.4 days

The month with the most sunshine days is October (19 days).
The month with the least sunshine days is May (10.6 days).

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Average UV index in August
Grandview, IN

Average UV index in August - Grandview, IN
  • Average UV index in August: 6

The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).

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Average cloud cover in August
Grandview, IN

Average cloud cover in August - Grandview, IN
  • Average cloud cover in August: 27

The month with the most cloud cover is January (Cloud cover 53).
The months with the least cloud cover are June and August (Cloud cover 27).

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Average visibility in August
Grandview, IN

Average visibility in August - Grandview, IN
  • 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).

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Grandview, Indiana, USA

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