August weather forecast
Greenville, OH

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Weather in August

The last month of the summer, August, is also a moderately hot month in Greenville, Ohio, with an average temperature ranging between max 79.3°F (26.3°C) and min 62.1°F (16.7°C).

Temperature

Greenville notes an average high-temperature of a still moderately hot 79.3°F (26.3°C) in August, displaying minor variation from July. Throughout August, Greenville records an average temperature of 62.1°F (16.7°C) at night.

Humidity

The average relative humidity in August is 82%.

Rainfall

In Greenville, Ohio, in August, it is raining for 13.9 days, with typically 1.77" (45mm) of accumulated precipitation. In Greenville, during the entire year, the rain falls for 145.2 days and collects up to 19.21" (488mm) of precipitation.

Snowfall

May through September are months without snowfall in Greenville.

Daylight

In Greenville, Ohio, the average length of the day in August is 13h and 43min.
On the first day of the month, sunrise is at 6:37 am and sunset at 8:52 pm. On the last day of August, in Greenville, Ohio, sunrise is at 7:05 am and sunset at 8:11 pm EDT.

Sunshine

The average sunshine in August in Greenville, Ohio, is 9.7h.

UV index

The months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The daily maximum UV index of 6 in August interprets into the following advice:
Use measures and accept sun safety conventions. Guarding against skin and eye trauma is of high priority. Attempt to stay under shade and limit exposure to the Sun between 10 a.m. and 4 p.m., when UV radiation is at its peak. Remember, devices such as parasols or canopies might not provide complete sun protection. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
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Frequently asked questions

What are the temperatures in Greenville in August?

In August, the average high-temperature and low-temperature are 79.3°F (26.3°C) and 62.1°F (16.7°C) respectively. In July, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which combines air temperature and relative humidity, is calculated to be 86°F (30°C).

What is the average humidity in August in Greenville?

The average relative humidity in August in Greenville is 82%.

How much does it rain in Greenville in August?

In Greenville, Ohio, in August, it is raining for 13.9 days, with typically 1.77" (45mm) of accumulated precipitation.

When it does not snow in Greenville?

In Greenville, snow does not fall in May through September.

What is the average length of the day in August in Greenville?

In August, the average day length in Greenville is 13h and 43min.

When are sunrise and sunset in August in Greenville?

On the first day of August in Greenville, Ohio, sunrise is at 6:37 am and sunset at 8:52 pm. On the last day of the month, sunrise is at 7:05 am and sunset at 8:11 pm EDT.

How long on average sun shines in August in Greenville?

The average sunshine duration in August in Greenville is 9.7h.

What are the months with the highest UV index in Greenville?

June through August, with an average maximum UV index of 6, are months with the highest UV index in Greenville, Ohio.

What is the UV index reading in August in Greenville?

In Greenville, the average daily maximum UV index in August is 6. A UV Index estimate of 6 to 7 represents a high hazard to health 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
Greenville, OH

Average temperature in August - Greenville, OH
  • Average high temperature in August: 79.3°F

The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (32.2°F).

  • Average low temperature in August: 62.1°F

The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (20.1°F).

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Average pressure in August
Greenville, OH

Average pressure in August - Greenville, OH
  • Average pressure in August: 29.98"Hg

The months with the highest atmospheric pressure are January and November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in August
Greenville, OH

Average wind speed in August - Greenville, OH
  • Average wind speed in August: 5.9mph

The windiest month (with the highest average wind speed) is January (10.6mph).
The calmest month (with the lowest average wind speed) is August (5.9mph).

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Average humidity in August
Greenville, OH

Average humidity in August - Greenville, OH
  • Average humidity in August: 82%

The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is October (75%).

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Average rainfall in August
Greenville, OH

Average rainfall in August - Greenville, OH
  • Average rainfall in August: 1.77"

The wettest month (with the highest rainfall) is May (2.72").
The driest month (with the least rainfall) is February (0.98").

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Average rainfall days in August
Greenville, OH

Average rainfall days in August - Greenville, OH
  • Average rainfall days in August: 13.9 days

The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is February (7.1 days).

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Average snowfall in August
Greenville, OH

Average snowfall in August - Greenville, OH
  • Average snowfall in August: 0"

The month with the highest snowfall is February (1.54").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in August
Greenville, OH

Average snowfall days in August - Greenville, OH
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (10.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in August /
Average sunshine in August
Greenville, OH

Average daylight in August / Average sunshine in August - Greenville, 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: 9h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).

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Average sunshine days in August
Greenville, OH

Average sunshine days in August - Greenville, OH
  • Average sunshine days in August: 14.2 days

The month with the most sunshine days is November (19.2 days).
The month with the least sunshine days is May (10.4 days).

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Average UV index in August
Greenville, OH

Average UV index in August - Greenville, OH
  • Average UV index in August: 6

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

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Average cloud cover in August
Greenville, OH

Average cloud cover in August - Greenville, OH
  • Average cloud cover in August: 31

The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 31).

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Average visibility in August
Greenville, OH

Average visibility in August - Greenville, OH
  • Average visibility in August: 6mi

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

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Greenville, Ohio, USA

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