August weather forecast
Fairfax, OK

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Weather in August

August, the last month of the summer in Fairfax, is also a hot month, with an average temperature fluctuating between 90.3°F (32.4°C) and 69.6°F (20.9°C).

Temperature

Fairfax's average high-temperature in August is a still hot 90.3°F (32.4°C), marking an insignificant difference from the 92.1°F (33.4°C) of July. In Fairfax, an average temperature of 69.6°F (20.9°C) is noted during August nights.

Heat index

For August, the heat index is appraised at an extremely hot 104°F (40°C). Implement additional cautionary measures, heat cramps and heat exhaustion could occur. Prolonged activity might induce heatstroke.
The standards for the heat index are set for locations in shade and under light breezes. With direct sunlight, the heat index could increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is a single figure representing how weather conditions feel when combining temperature and humidity. Factors such as metabolic variation, pregnancy, and physical activity play a role in one's impression of weather. In direct sunlight, the heat's impact can be heightened, potentially leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. In general, children are more at risk than adults because they sweat less. Furthermore, the large skin surface compared to their small bodies and the high heat production due to their actions contribute to this vulnerability.
The evaporation of sweat is a natural cooling mechanism of the human body, facilitated by perspiration. When relative humidity is on the rise, it curtails evaporation, thereby reducing the heat elimination from the body and causing the feeling of being excessively hot. Exceeding the body's heat disposal threshold results in a rise in body temperature and potential thermal disorders.

Humidity

In August, the average relative humidity in Fairfax is 66%.

Rainfall

In Fairfax, during August, the rain falls for 10.6 days and regularly aggregates up to 1.46" (37mm) of precipitation. In Fairfax, during the entire year, the rain falls for 97.1 days and collects up to 10.87" (276mm) of precipitation.

Snowfall

April through October are months without snowfall in Fairfax.

Daylight

In August, the average length of the day in Fairfax is 13h and 31min.
On the first day of the month, sunrise is at 6:33 am and sunset at 8:32 pm. On the last day of August, sunrise is at 6:57 am and sunset at 7:55 pm CDT.

Sunshine

The month with the most sunshine is August, with an average of 11.2h of sunshine.

UV index

The months with the highest UV index are June through August, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: An average UV index of 7 in August transforms into this advice:
Persist in precautions and follow sun safety policies. Keeping sunburn at bay is imperative. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is at its strongest, and remember that parasols or canopies do not offer full protection. Enhance your sun protection with tightly woven, yet airy clothing.
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Frequently asked questions

How hot is it in Fairfax in August?

The average high-temperature, in August, in Fairfax, is 90.3°F (32.4°C), while the average low-temperature is 69.6°F (20.9°C). In August, the average heat index (a.k.a. 'feels like', 'real feel'), which combines relative humidity and air temperature, is appraised at 104°F (40°C).

What is the average humidity in August in Fairfax?

The average relative humidity in August in Fairfax is 66%.

How many days does it rain in August in Fairfax?

In Fairfax, during August, the rain falls for 10.6 days and regularly aggregates up to 1.46" (37mm) of precipitation.

When it does not snow in Fairfax?

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

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

In Fairfax, the average day length in August is 13h and 31min.

When is the sunrise / sunset in August in Fairfax?

In August, on the first day of the month, sunrise is at 6:33 am and sunset at 8:32 pm. On the last day of the month, sunrise is at 6:57 am and sunset at 7:55 pm CDT.

What month has the most sunshine in Fairfax?

The month with the most sunshine is August, with an average of 11.2h of sunshine.

How many hours of sunshine does Fairfax have in August?

In August, the average sunshine duration in Fairfax is 11.2h.

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

June through August, with an average maximum UV index of 7, are months with the highest UV index in Fairfax.

What is the UV index intensity in August in Fairfax?

The average daily maximum UV index in August in Fairfax is 7. A UV Index 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
Fairfax, OK

Average temperature in August - Fairfax, OK
  • Average high temperature in August: 90.3°F

The warmest month (with the highest average high temperature) is July (92.1°F).
The month with the lowest average high temperature is January (45°F).

  • Average low temperature in August: 69.6°F

The month with the highest average low temperature is July (71.8°F).
The coldest month (with the lowest average low temperature) is January (28.9°F).

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Average pressure in August
Fairfax, OK

Average pressure in August - Fairfax, OK
  • Average pressure in August: 29.93"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).

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Average wind speed in August
Fairfax, OK

Average wind speed in August - Fairfax, OK
  • Average wind speed in August: 8.1mph

The windiest month (with the highest average wind speed) is April (11.5mph).
The calmest months (with the lowest average wind speed) are July and August (8.1mph).

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Average humidity in August
Fairfax, OK

Average humidity in August - Fairfax, OK
  • Average humidity in August: 66%

The month with the highest relative humidity is May (77%).
The month with the lowest relative humidity is October (65%).

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Average rainfall in August
Fairfax, OK

Average rainfall in August - Fairfax, OK
  • Average rainfall in August: 1.46"

The wettest month (with the highest rainfall) is May (2.17").
The driest month (with the least rainfall) is December (0.24").

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Average rainfall days in August
Fairfax, OK

Average rainfall days in August - Fairfax, OK
  • Average rainfall days in August: 10.6 days

The month with the highest number of rainy days is May (12.3 days).
The months with the least rainy days are January and December (3.6 days).

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Average snowfall in August
Fairfax, OK

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

The months with the highest snowfall are January, February and March (0.2").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in August
Fairfax, OK

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

The month with the highest number of snowfall days is February (2.1 days).
The months with the least snowfall days are April, May, June, July, August and September (0 days).

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

Average daylight in August / Average sunshine in August - Fairfax, OK
  • Average daylight in August: 13h and 3min

The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).

  • Average sunshine in August: 11h and 1min

The month with the most sunshine is August (Average sunshine: 11h and 12min).
The months with the least sunshine are January and December (Average sunshine: 6h and 6min).

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Average sunshine days in August
Fairfax, OK

Average sunshine days in August - Fairfax, OK
  • Average sunshine days in August: 16.8 days

The month with the most sunshine days is January (26.2 days).
The month with the least sunshine days is May (15.8 days).

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Average UV index in August
Fairfax, OK

Average UV index in August - Fairfax, OK
  • Average UV index in August: 7

The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 2).

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Average cloud cover in August
Fairfax, OK

Average cloud cover in August - Fairfax, OK
  • Average cloud cover in August: 20

The month with the most cloud cover is March (Cloud cover 38).
The month with the least cloud cover is August (Cloud cover 20).

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Average visibility in August
Fairfax, OK

Average visibility in August - Fairfax, OK
  • 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, Oklahoma, USA

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