August weather forecast
Grove City, OH

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Weather in August

August signifies the end of summer in Grove City, Ohio. Despite a slight drop in temperature compared to July, the weather remains notably warm. Daylight hours shrink to 13.7 hours, signalling the upcoming shift towards autumn. The rainfall decreases, making way for more sunshine and less humidity. As the city heads towards September, cooler autumnal weather starts to materialize.

Temperature

Grove City starts August with an average high-temperature of a still warm 82°F (27.8°C), a minor shift from July's 83.1°F (28.4°C). An average nighttime temperature of 63.9°F (17.7°C) is recorded during August.

Heat index

For most parts of August, the heat index is estimated at a hot 87.8°F (31°C). Prolonged exposure combined with continuous activity could lead to exhaustion, and possibly heat cramps.
In terms of the heat index, values are set with light wind and shade conditions in mind. Direct sunlight has the potential to heighten heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', joins air temperature with relative humidity to produce a temperature perception for humans. Depending on the activity and the individual's heat perception, which may vary due to factors including wind, clothing, and metabolic variations, this effect remains subjective. It is noteworthy to mention that direct sunlight exposure can augment the felt temperature, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Typically, young kids are at a higher risk than adults since they sweat less. Also, the larger skin surface in proportion to their small bodies and the heightened heat production due to their active nature adds to their vulnerability.

Humidity

The average relative humidity in August is 74%.

Rainfall

In Grove City, in August, during 14.9 rainfall days, 2.32" (59mm) of precipitation is typically accumulated. In Grove City, during the entire year, the rain falls for 164.3 days and collects up to 30.55" (776mm) of precipitation.

Snowfall

May through September are months without snowfall.

Daylight

In Grove City, 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 7:00 am and sunset at 8:04 pm EDT.

Sunshine

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

UV index

The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The daily maximum UV index of 6 in August interprets into the following advice:
Uphold preventive measures and conform to sun safety guidelines. Defending against skin and eye harm is crucial. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Updated: Jun 17, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are August temperatures?

The average high-temperature and low-temperature during August are 82°F (27.8°C) and 63.9°F (17.7°C) respectively. In August, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which factors the actual air temperature with the relative humidity, is estimated at 87.8°F (31°C).

What is the average humidity in August in Grove City?

In Grove City, Ohio, the average relative humidity in August is 74%.

How many days does it rain in August?

In August, the rain falls for 14.9 days. Throughout August, 2.32" (59mm) of precipitation is accumulated.

When it does not snow?

In Grove City, snow does not fall in May through September.

How many hours of daylight does Grove City have in August?

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

When are sunrise and sunset in August?

On the first day of August, sunrise is at 6:31 am and sunset at 8:45 pm. On the last day of the month, sunrise is at 7:00 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 many hours of sunshine does Grove City have in August?

In August, the average sunshine duration is 10.4h.

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

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

How high is the UV index in August?

In Grove City, the average daily maximum UV index in August is 6. A UV Index value of 6 to 7 symbolizes a high health risk 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
Grove City, OH

Average temperature in August - Grove City, 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
Grove City, OH

Average pressure in August - Grove City, 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
Grove City, OH

Average wind speed in August - Grove City, 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
Grove City, OH

Average humidity in August - Grove City, 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
Grove City, OH

Average rainfall in August - Grove City, 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
Grove City, OH

Average rainfall days in August - Grove City, 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
Grove City, OH

Average snowfall in August - Grove City, 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
Grove City, OH

Average snowfall days in August - Grove City, 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
Grove City, OH

Average daylight in August / Average sunshine in August - Grove City, 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
Grove City, OH

Average sunshine days in August - Grove City, 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
Grove City, OH

Average UV index in August - Grove City, 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
Grove City, OH

Average cloud cover in August - Grove City, 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
Grove City, OH

Average visibility in August - Grove City, 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).

Grove City, Ohio, USA

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