August weather forecast
Jacksonville, OH

Weather in August

August, the last month of the summer in Jacksonville, is also a moderately hot month, with an average temperature varying between 61.5°F (16.4°C) and 84.6°F (29.2°C).

Temperature

In Jacksonville, the average high-temperature in August is essentially the same as in July - a still moderately hot 84.6°F (29.2°C). In Jacksonville, the average low-temperature is 61.5°F (16.4°C).

Heat index

The average heat index in August is estimated at a hot 93.2°F (34°C). Take extra precautions, as heat cramps and heat exhaustion are possible. Sustained activity may result in heatstroke.
Note that heat index values are valued for light wind and location in the shade. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature', 'apparent temperature', 'real feel', or 'feels like', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. This effect is subjective, depending on the activity and individual's heat perception influenced by various reasons (clothing, metabolic differences, pregnancy). Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.

Humidity

The least humid month in Jacksonville is August, with an average relative humidity of 75%.

Rainfall

In Jacksonville, in August, it is raining for 14.3 days, with typically 1.97" (50mm) of accumulated precipitation. Throughout the year, in Jacksonville, there are 161.8 rainfall days, and 30.04" (763mm) of precipitation is accumulated.

Snowfall

May through October are months without snowfall.

Daylight

In Jacksonville, the average length of the day in August is 13h and 40min.
On the first day of the month, sunrise is at 6:28 am and sunset at 8:41 pm. On the last day of August, sunrise is at 6:55 am and sunset at 8:01 pm EDT.

Sunshine

With an average of 10.2h of sunshine, August has the most sunshine of the year in Jacksonville.

UV index

The months with the highest UV index in Jacksonville are June through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In August, the average maximum UV index of 6 translate into the following recommendations:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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FAQ

What is the temperature in August in Jacksonville?

In Jacksonville, in August, the average high-temperature is 84.6°F (29.2°C), and the average low-temperature is 61.5°F (16.4°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 estimated at 93.2°F (34°C).

What is the least humid month in Jacksonville?

August is the least humid month in Jacksonville, Ohio, with an average relative humidity of 75%.

What is the average humidity in August in Jacksonville?

In August, the average relative humidity in Jacksonville, Ohio, is 75%.

How many days does it rain in August in Jacksonville?

In Jacksonville, in August, during 14.3 rainfall days, 1.97" (50mm) of precipitation is typically accumulated.

When it does not snow in Jacksonville?

May through October are months without snowfall in Jacksonville.

How many hours of daylight does Jacksonville have in August?

In August, the average day length in Jacksonville, Ohio, is 13h and 40min.

When is the sunrise / sunset in August in Jacksonville?

In August, on the first day of the month, sunrise is at 6:28 am and sunset at 8:41 pm. On the last day of the month, in Jacksonville, sunrise is at 6:55 am and sunset at 8:01 pm EDT.

What month has the most sunshine in Jacksonville?

With an average of 10.2h of sunshine, August has the most sunshine of the year in Jacksonville.

How long on average sun shines in August in Jacksonville?

In Jacksonville, the average sunshine duration in August is 10.2h.

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

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

How high is the UV index in August in Jacksonville?

The average daily maximum UV index in August in Jacksonville, Ohio, is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to Sun's UV rays.
Average max. wind speed
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
Jacksonville, OH

Average temperature in August - Jacksonville, OH
  • Average high temperature in August: 84.6°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 (35.6°F).

  • Average low temperature in August: 61.5°F

The month with the highest average low temperature is July (63.7°F).
The coldest month (with the lowest average low temperature) is January (22.3°F).

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Average pressure in August
Jacksonville, OH

Average pressure in August - Jacksonville, OH
  • Average pressure in August: 30"Hg

The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

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Average wind speed in August
Jacksonville, OH

Average wind speed in August - Jacksonville, OH
  • Average wind speed in August: 4.6mph

The windiest months (with the highest average wind speed) are January and February (7.4mph).
The calmest months (with the lowest average wind speed) are July and August (4.6mph).

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Average humidity in August
Jacksonville, OH

Average humidity in August - Jacksonville, OH
  • Average humidity in August: 75%

The months with the highest relative humidity are January and February (83%).
The month with the lowest relative humidity is August (75%).

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Average rainfall in August
Jacksonville, OH

Average rainfall in August - Jacksonville, OH
  • Average rainfall in August: 1.97"

The wettest month (with the highest rainfall) is May (3.62").
The driest month (with the least rainfall) is September (1.85").

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Average rainfall days in August
Jacksonville, OH

Average rainfall days in August - Jacksonville, OH
  • Average rainfall days in August: 14.3 days

The month with the highest number of rainy days is May (18.7 days).
The month with the least rainy days is November (10 days).

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Average snowfall in August
Jacksonville, OH

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

The month with the highest snowfall is February (3.43").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in August
Jacksonville, OH

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

The month with the highest number of snowfall days is January (11.7 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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

Average daylight in August / Average sunshine in August - Jacksonville, OH
  • Average daylight in August: 13h and 40min

The month with the longest days is June (Average daylight: 14h and 55min).
The month with the shortest days is December (Average daylight: 9h and 26min).

  • Average sunshine in August: 10h and 12min

The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).

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Average sunshine days in August
Jacksonville, OH

Average sunshine days in August - Jacksonville, OH
  • Average sunshine days in August: 14.5 days

The month with the most sunshine days is October (18.1 days).
The month with the least sunshine days is February (10.2 days).

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Average UV index in August
Jacksonville, OH

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

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

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Average cloud cover in August
Jacksonville, OH

Average cloud cover in August - Jacksonville, OH
  • Average cloud cover in August: 33

The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 33).

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Average visibility in August
Jacksonville, OH

Average visibility in August - Jacksonville, OH
  • Average visibility in August: 5mi

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

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