August weather forecast
Grandview Heights, OH

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Weather in August

August, the last month of the summer in Grandview Heights, is also a moderately hot month, with temperature in the range of an average high of 82°F (27.8°C) and an average low of 63.9°F (17.7°C).

Temperature

Grandview Heights marks the onset of August with an average high-temperature of a still moderately hot 82°F (27.8°C), a subtle shift from July's 83.1°F (28.4°C). During the August nights, an average temperature of 63.9°F (17.7°C) is observed.

Heat index

The heat index in August is estimated at a tropical 87.8°F (31°C). With sustained exposure and activity, exhaustion becomes probable, resulting in heat cramps.
Realize that the values for the heat index are set for shaded places and light winds. The heat index may experience an enhancement of 15 Fahrenheit (8 Celsius) degrees under direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is an estimation of the warmth sensation when considering humidity levels. The impact of weather is individual, with diverse individuals experiencing it differently due to variations in body mass, height, and activity levels. The sun, when shining directly, can have a significant impact on the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Children often overlook the necessity for resting and fluid replenishment. Thirst is a late sign of dehydration - thus, it is critical to stay hydrated, especially during extended periods of physical activities.

Humidity

The average relative humidity in August is 74%.

Rainfall

In August, the rain falls for 14.9 days. Throughout August, 2.32" (59mm) of precipitation is accumulated. In Grandview Heights, during the entire year, the rain falls for 164.3 days and collects up to 30.55" (776mm) of precipitation.

Snowfall

In Grandview Heights, snow does not fall in May through September.

Daylight

In Grandview Heights, the average length of the day in August is 13h and 42min.
On the first day of the month, sunrise is at 6:31 am and sunset at 8:45 pm. On the last day of August, sunrise is at 6:59 am and sunset at 8:04 pm EDT.

Sunshine

With an average of 10.4h of sunshine, August has the most sunshine of the year.

UV index

May 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 exposure to the Sun's UV radiation for the average person.
Note: In August, the average maximum UV index of 6 translates into the following recommendations:
Refrain from overexposure. Fair-skinned individuals could burn in under 20 minutes. The Sun's UV radiation is most potent between 10 a.m. and 4 p.m. Try to limit direct exposure to the Sun during this period. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Updated: Jul 28, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average August temperature?

During August, Grandview Heights experiences an average high-temperature of 82°F (27.8°C) and a low-temperature of 63.9°F (17.7°C). In August, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, is estimated at 87.8°F (31°C).

What is the average humidity in August?

In August, the average relative humidity is 74%.

How many days does it rain in August?

In Grandview Heights, Ohio, in August, during 14.9 rainfall days, 2.32" (59mm) of precipitation is typically accumulated.

When it does not snow in Grandview Heights?

In Grandview Heights, snow does not fall in May through September.

What is the average length of the day in August?

In August, the average day length is 13h and 42min.

What time are sunrise and sunset in August?

In August, on the first day of the month, sunrise is at 6:31 am and sunset at 8:45 pm. On the last day of the month, sunrise is at 6:59 am and sunset at 8:04 pm EDT.

What month has the most sunshine?

The month with the most sunshine is August, with an average of 10.4h of sunshine.

How long on average sun shines in August?

In Grandview Heights, the average sunshine duration in August is 10.4h.

What is the month with the highest UV index?

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

What is the UV index intensity in August?

The average daily maximum UV index in August is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to Sun's UV rays.
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 Heights, OH

Average temperature in August - Grandview Heights, OH
  • Average high temperature in August: 82°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 (33.4°F).

  • Average low temperature in August: 63.9°F

The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).

Average pressure in August
Grandview Heights, OH

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

The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed in August
Grandview Heights, OH

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

The windiest month (with the highest average wind speed) is January (9.4mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).

Average humidity in August
Grandview Heights, OH

Average humidity in August - Grandview Heights, OH
  • Average humidity in August: 74%

The month with the highest relative humidity is January (82%).
The month with the lowest relative humidity is October (73%).

Average rainfall in August
Grandview Heights, OH

Average rainfall in August - Grandview Heights, OH
  • Average rainfall in August: 2.32"

The wettest month (with the highest rainfall) is May (3.62").
The driest month (with the least rainfall) is September (1.69").

Average rainfall days in August
Grandview Heights, OH

Average rainfall days in August - Grandview Heights, OH
  • Average rainfall days in August: 14.9 days

The month with the highest number of rainy days is May (18.4 days).
The month with the least rainy days is February (9.1 days).

Average snowfall in August
Grandview Heights, OH

Average snowfall in August - Grandview Heights, OH
  • Average snowfall in August: 0"

The month with the highest snowfall is February (3.31").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in August
Grandview Heights, OH

Average snowfall days in August - Grandview Heights, OH
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (12.9 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in August /
Average sunshine in August
Grandview Heights, OH

Average daylight in August / Average sunshine in August - Grandview Heights, OH
  • 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 24min).

  • Average sunshine in August: 10h and 2min

The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).

Average sunshine days in August
Grandview Heights, OH

Average sunshine days in August - Grandview Heights, OH
  • Average sunshine days in August: 12.8 days

The month with the most sunshine days is November (16.6 days).
The month with the least sunshine days is May (10.1 days).

Average UV index in August
Grandview Heights, OH

Average UV index in August - Grandview Heights, OH
  • 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, November and December (UV index 2).

Average cloud cover in August
Grandview Heights, OH

Average cloud cover in August - Grandview Heights, OH
  • Average cloud cover in August: 29

The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 29).

Average visibility in August
Grandview Heights, OH

Average visibility in August - Grandview Heights, OH
  • Average visibility in August: 6mi

The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).

Grandview Heights, Ohio, USA

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