August weather forecast
Cynthiana, OH

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Weather in August

The last month of the summer, August, is also a moderately hot month in Cynthiana, Ohio, with an average temperature fluctuating between 81.9°F (27.7°C) and 62.4°F (16.9°C).

Temperature

The initiation of August records an average high-temperature of a still moderately hot 81.9°F (27.7°C), displaying a near consistency with the previous month. Cynthiana experiences a steady low-temperature of 62.4°F (16.9°C) throughout August.

Heat index

For August, the heat index is calculated to be a tropical 87.8°F (31°C). Remaining active during long-lasting exposure could cause fatigue, leading to heat cramps.
Bear in mind that the heat index values are determined for shaded areas and light breezes. A rise of up to 15 Fahrenheit (8 Celsius) degrees in the heat index could result from direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is the result of factoring in humidity to the air temperature, indicating perceived warmth. Factors such as metabolic variation, pregnancy, and physical activity play a role in one's impression of weather. Remember, direct sunlight exposure can heighten the heat impact and might increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for 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 78%.

Rainfall

In August, the rain falls for 15.4 days. Throughout August, 2.48" (63mm) of precipitation is accumulated. Throughout the year, there are 174 rainfall days, and 34.72" (882mm) of precipitation is accumulated.

Snowfall

May through September are months without snowfall in Cynthiana.

Daylight

In Cynthiana, the average length of the day in August is 13h and 39min.
On the first day of August, sunrise is at 6:34 am and sunset at 8:44 pm. On the last day of the month, sunrise is at 7:01 am and sunset at 8:05 pm EDT.

Sunshine

August has the most sunshine of the year, with an average of 10.3h of sunshine.

UV index

The months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for ordinary individuals.
Note: In August, the maximum UV index of 6 translates into these guidelines:
Steer clear of overexposure. Fair-skinned individuals can be scorched in less than 20 minutes. 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. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
Updated: Aug 26, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in August?

August temperatures vary between a high-temperature of 81.9°F (27.7°C) and a low-temperature of 62.4°F (16.9°C). In August, the average heat index (a.k.a. 'feels like', 'real feel'), which factors the actual air temperature with the relative humidity, is calculated to be 87.8°F (31°C).

What is the average humidity in August?

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

How many days does it rain in August?

In Cynthiana, during August, the rain falls for 15.4 days and regularly aggregates up to 2.48" (63mm) of precipitation.

When it does not snow?

May through September are months without snowfall.

What is the average length of the day in August?

In August, the average day length is 13h and 39min.

When is the sunrise / sunset in August?

In August, on the first day of the month, sunrise is at 6:34 am and sunset at 8:44 pm. On the last day of the month, sunrise is at 7:01 am and sunset at 8:05 pm EDT.

What month has the most sunshine?

The month with the most sunshine is August, with an average of 10.3h of sunshine.

How many hours of sunshine does Cynthiana have in August?

The average sunshine duration in August is 10.3h.

When is the highest UV index?

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

What is the UV index intensity in August?

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

Average temperature in August - Cynthiana, OH
  • Average high temperature in August: 81.9°F

The warmest month (with the highest average high temperature) is July (82.6°F).
The month with the lowest average high temperature is January (35.2°F).

  • Average low temperature in August: 62.4°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 (22.8°F).

Average pressure in August
Cynthiana, OH

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

The months with the highest atmospheric pressure are January and November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

Average wind speed in August
Cynthiana, OH

Average wind speed in August - Cynthiana, OH
  • Average wind speed in August: 5.4mph

The windiest month (with the highest average wind speed) is January (9.5mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).

Average humidity in August
Cynthiana, OH

Average humidity in August - Cynthiana, OH
  • Average humidity in August: 78%

The months with the highest relative humidity are January, February and December (82%).
The months with the lowest relative humidity are October and November (75%).

Average rainfall in August
Cynthiana, OH

Average rainfall in August - Cynthiana, OH
  • Average rainfall in August: 2.48"

The wettest month (with the highest rainfall) is May (3.98").
The driest month (with the least rainfall) is September (2.01").

Average rainfall days in August
Cynthiana, OH

Average rainfall days in August - Cynthiana, OH
  • Average rainfall days in August: 15.4 days

The month with the highest number of rainy days is May (20 days).
The month with the least rainy days is February (10.3 days).

Average snowfall in August
Cynthiana, OH

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

The month with the highest snowfall is February (4.06").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in August
Cynthiana, OH

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

The month with the highest number of snowfall days is January (11.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in August / Average sunshine in August - Cynthiana, OH
  • Average daylight in August: 13h and 4min

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in August: 10h and 2min

The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).

Average sunshine days in August
Cynthiana, OH

Average sunshine days in August - Cynthiana, OH
  • Average sunshine days in August: 12.5 days

The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is May (8.9 days).

Average UV index in August
Cynthiana, OH

Average UV index in August - Cynthiana, 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).

Average cloud cover in August
Cynthiana, OH

Average cloud cover in August - Cynthiana, OH
  • Average cloud cover in August: 29

The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 29).

Average visibility in August
Cynthiana, OH

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

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

Cynthiana, Ohio, USA

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