August weather forecast
Oklahoma City, OK

The State Capitol Building, Oklahoma City, Oklahoma, with flags and a statue outside
The State Capitol Building, Oklahoma City, Oklahoma, with flags and a statue outside

Weather in August

The last month of the summer, August, is another hot month in Oklahoma City, Oklahoma, with average temperature varying between 71.6°F (22°C) and 92.8°F (33.8°C).

Temperature

In August, the average high-temperature is practically the same as in July - a still tropical 92.8°F (33.8°C). In Oklahoma City, Oklahoma, in August, the average low-temperature is 71.6°F (22°C).

Heat index

In August, the average heat index is estimated at a blistering 106.9°F (41.6°C). Take extra precautions, as heat cramps and heat exhaustion are possible. Sustained activity may result in heatstroke.
Take into consideration that the heat index values are calculated for shade and light wind conditions. 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 'real feel', 'apparent temperature', 'felt air temperature', or 'feels like', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. Additional factors like clothing, metabolic differences, wind, and activity influence one's weather impression. Bear in mind that direct sunshine exposure increases weather impact, and may raise 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.
Perspiration is the human body's physiological response to high temperatures and is an attempt to lower body temperature through evaporation of sweat. Under high air temperature and humidity (high heat index) conditions, perspiration is limited, and the perception of heat is increased. When heat gain surpasses the level the body can shed, body temperature begins to increase, and consequently, overheating and dehydration can occur, with varying severity.

Humidity

August is the least humid month, with an average relative humidity of 60%.

Rainfall

In Oklahoma City, during August, the rain falls for 12.3 days and regularly aggregates up to 2.4" (61mm) of precipitation. Throughout the year, there are 121 rainfall days, and 24.96" (634mm) of precipitation is accumulated.

Snowfall

May through October are months without snowfall in Oklahoma City.

Daylight

In August, the average length of the day in Oklahoma City is 13.4h.

Sunshine

July and August, with an average of 11h of sunshine, are months with the most sunshine.

UV index

Months with the highest UV index in Oklahoma City are June through August, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high threat to health from the exposure to the Sun's UV rays for average individuals.
Note: The daily maximum UV index of 7 interpret into the following advice:
Take precautions and utilize sun safety practices. Protection against the skin and eye damage is required. 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 Oklahoma City?

The average high-temperature, in August, in Oklahoma City, Oklahoma, is 92.8°F (33.8°C), while the average low-temperature is 71.6°F (22°C). In August, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, is estimated at 106.9°F (41.6°C).

What is the least humid month in Oklahoma City?

The least humid month is August, with an average relative humidity of 60%.

What is the average humidity in August in Oklahoma City?

The average relative humidity in August is 60%.

How many days does it rain in August in Oklahoma City?

In Oklahoma City, Oklahoma, in August, it is raining for 12.3 days, with typically 2.4" (61mm) of accumulated precipitation.

When it does not snow in Oklahoma City?

In Oklahoma City snow does not fall in May through October.

How many hours of daylight does Oklahoma City have in August?

In Oklahoma City, the average length of the day in August is 13.4h.

What is the month with the most sunshine in Oklahoma City?

July and August, with an average of 11h of sunshine, are months with the most sunshine in Oklahoma City, Oklahoma.

How long on average sun shines in August in Oklahoma City?

The average sunshine in August is 11h.

When is the highest UV index in Oklahoma City?

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

How high is the UV index in August in Oklahoma City?

In August, the average daily maximum UV index is 7. A UV Index value of 6 to 7 symbolizes a high hazard to health from the exposure to the Sun's UV radiation.

Average temperature in August
Oklahoma City, OK

Average temperature in August - Oklahoma City, OK
  • Average high temperature in August: 33.8°C

The warmest month (with the highest average high temperature) is July (34.2°C).
The month with the lowest average high temperature is January (9.2°C).

  • Average low temperature in August: 22°C

The month with the highest average low temperature is July (22.9°C).
The coldest month (with the lowest average low temperature) is January (-0.2°C).

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Average pressure in August
Oklahoma City, OK

Average pressure in August - Oklahoma City, OK
  • Average pressure in August: 1013.2mbar

The month with the highest atmospheric pressure is January (1021.3mbar).
The month with the lowest atmospheric pressure is June (1011.6mbar).

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Average wind speed in August
Oklahoma City, OK

Average wind speed in August - Oklahoma City, OK
  • Average wind speed in August: 13.9km/h

The windiest month (with the highest average wind speed) is April (19.8km/h).
The calmest month (with the lowest average wind speed) is August (13.9km/h).

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Average humidity in August
Oklahoma City, OK

Average humidity in August - Oklahoma City, OK
  • Average humidity in August: 60%

The month with the highest relative humidity is May (73%).
The month with the lowest relative humidity is August (60%).

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Average rainfall in August
Oklahoma City, OK

Average rainfall in August - Oklahoma City, OK
  • Average rainfall in August: 61mm

The wettest month (with the highest rainfall) is May (104mm).
The driest month (with the least rainfall) is December (23mm).

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Average rainfall days in August
Oklahoma City, OK

Average rainfall days in August - Oklahoma City, OK
  • Average rainfall days in August: 12.3 days

The month with the highest number of rainy days is May (14.5 days).
The month with the least rainy days is January (4.5 days).

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Average snowfall in August
Oklahoma City, OK

Average snowfall in August - Oklahoma City, OK
  • Average snowfall in August: 0mm

The month with the highest snowfall is February (32mm).
Months with the least snowfall are May, June, July, August, September and October (0mm).

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Average snowfall days in August
Oklahoma City, OK

Average snowfall days in August - Oklahoma City, OK
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is February (3 days).
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
Oklahoma City, OK

Average daylight in August / Average sunshine in August - Oklahoma City, OK
  • Average daylight in August: 13.4h

The month with the longest days is June (Average daylight: 14.5h).
The month with the shortest days is December (Average daylight: 9.8h).

  • Average sunshine in August: 11h

Months with the most sunshine are July and August (Average sunshine: 11h).
The month with the least sunshine is December (Average sunshine: 6h).

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Average sunshine days in August
Oklahoma City, OK

Average sunshine days in August - Oklahoma City, OK
  • Average sunshine days in August: 15.6 days

The month with the most sunshine days is January (24.4 days).
The month with the least sunshine days is May (13.9 days).

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Average UV index in August
Oklahoma City, OK

Average UV index in August - Oklahoma City, OK
  • Average UV index in August: 7

Months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 2).

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Average cloud cover in August
Oklahoma City, OK

Average cloud cover in August - Oklahoma City, 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
Oklahoma City, OK

Average visibility in August - Oklahoma City, OK
  • Average visibility in August: 10km

Months with the highest visibility are January, February, March, June, July, August, September, October, November and December (10km).
Months with the lowest visibility are April and May (9km).

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