August weather forecast
Fairfax, OH

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Weather in August

The last month of the summer, August, is another warm month in Fairfax, Ohio, with an average temperature fluctuating between 83.8°F (28.8°C) and 64.2°F (17.9°C).

Temperature

The advent of August brings an average high-temperature of a still warm 83.8°F (28.8°C), exhibiting minor difference from the previous month. Throughout August nights, Fairfax experiences a consistent temperature average of 64.2°F (17.9°C).

Heat index

For August, the heat index is evaluated at a hot 91.4°F (33°C). More preventive actions are needed, risk of heat exhaustion and heat cramps is significant. Prolonged activity may trigger heatstroke.
Note that heat index values are valued for light wind and location in the shade. Under direct sunshine, the heat index values might be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is achieved by amalgamating air temperature with the relative humidity readings. A person's impression of weather can be affected by numerous aspects, among them metabolic variations, pregnancy, and activity levels. Always consider that direct sunlight exposure might heighten the heat's effects, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. In general, younger individuals are at greater risk than adults because they tend to sweat less. Also, having a larger skin surface to body size ratio and greater heat production due to their active behavior contribute to this danger.

Humidity

August through October, with an average relative humidity of 74%, are the least humid months.

Rainfall

In August, in Fairfax, the rain falls for 13.6 days. Throughout August, 1.97" (50mm) of precipitation is accumulated. In Fairfax, during the entire year, the rain falls for 150.9 days and collects up to 27.64" (702mm) of precipitation.

Snowfall

In Fairfax, snow does not fall in May through October.

Daylight

In Fairfax, the average length of the day in August is 13h and 39min.
On the first day of August in Fairfax, sunrise is at 6:38 am and sunset at 8:49 pm. On the last day of the month, sunrise is at 7:06 am and sunset at 8:09 pm EDT.

Sunshine

The average sunshine in August is 10.2h.

UV index

The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: In August, the maximum UV index of 6 transforms into these recommendations:
Persist in precautions and follow sun safety policies. Keeping sunburn at bay is imperative. Seek shade and limit direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Keep in mind that shade structures like parasols or canopies do not offer complete sun protection. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
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Frequently asked questions

How hot is August in Fairfax?

The average high-temperature and low-temperature in Fairfax, Ohio, during August are 83.8°F (28.8°C) and 64.2°F (17.9°C) respectively. In August, the average heat index (a.k.a. 'feels like', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, is evaluated at 91.4°F (33°C).

What are the least humid months in Fairfax?

The months with the lowest humidity are August through October, with an average relative humidity of 74%.

What is the average humidity in August in Fairfax?

The average relative humidity in August in Fairfax is 74%.

How much does it rain in Fairfax in August?

In Fairfax, Ohio, in August, during 13.6 rainfall days, 1.97" (50mm) of precipitation is typically accumulated.

When it does not snow in Fairfax?

May through October are months without snowfall in Fairfax, Ohio.

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

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

What time are sunrise and sunset in August in Fairfax?

On the first day of August, sunrise is at 6:38 am and sunset at 8:49 pm. On the last day of the month, sunrise is at 7:06 am and sunset at 8:09 pm EDT.

How many hours of sunshine does Fairfax have in August?

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

When is the highest UV index in Fairfax?

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

What is the UV index reading in August in Fairfax?

In Fairfax, Ohio, the average daily maximum UV index in August is 6. A UV Index of 6 to 7 symbolizes 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
Fairfax, OH

Average temperature in August - Fairfax, OH
  • Average high temperature in August: 83.8°F

The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (36.1°F).

  • Average low temperature in August: 64.2°F

The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (23.7°F).

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Average pressure in August
Fairfax, OH

Average pressure in August - Fairfax, 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 (29.94"Hg).

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Average wind speed in August
Fairfax, OH

Average wind speed in August - Fairfax, OH
  • Average wind speed in August: 5mph

The windiest month (with the highest average wind speed) is January (8.7mph).
The calmest month (with the lowest average wind speed) is August (5mph).

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Average humidity in August
Fairfax, OH

Average humidity in August - Fairfax, OH
  • Average humidity in August: 74%

The months with the highest relative humidity are February and December (81%).
The months with the lowest relative humidity are August, September and October (74%).

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Average rainfall in August
Fairfax, OH

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

The wettest month (with the highest rainfall) is May (3.27").
The driest month (with the least rainfall) is September (1.54").

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Average rainfall days in August
Fairfax, OH

Average rainfall days in August - Fairfax, OH
  • Average rainfall days in August: 13.6 days

The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is February (8.2 days).

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Average snowfall in August
Fairfax, OH

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

The month with the highest snowfall is February (2.01").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in August
Fairfax, OH

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

The months with the highest number of snowfall days are January and February (5.5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

Average daylight in August / Average sunshine in August - Fairfax, 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 1min

The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).

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Average sunshine days in August
Fairfax, OH

Average sunshine days in August - Fairfax, OH
  • Average sunshine days in August: 15 days

The months with the most sunshine days are October and November (19.2 days).
The month with the least sunshine days is May (10.9 days).

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Average UV index in August
Fairfax, OH

Average UV index in August - Fairfax, 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).

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Average cloud cover in August
Fairfax, OH

Average cloud cover in August - Fairfax, OH
  • Average cloud cover in August: 27

The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 27).

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Average visibility in August
Fairfax, OH

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

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

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Fairfax, Ohio, USA

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