August weather forecast
Sulphur, OK

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Weather in August

The heated grip of July loosens slightly in August, allowing a mildly reduced temperature in Sulphur. August holds the summer baton, maintaining the warm season's rhythm and theme. Load up the boats for a family day at the Lake of the Arbuckles, or enjoy sumptuous summer barbecues. August days in Sulphur offer ample sunbathing opportunities, paired with evening retreats to cooler spots.

Temperature

The warmest period tends to be August, when average temperatures fluctuate between a high of 93.4°F (34.1°C) and a low of 72.1°F (22.3°C).

Heat index

The average heat index in August is estimated at a blisteringly hot 109.4°F (43°C). Mind: Heat cramps along with heat exhaustion are anticipated. Heatstroke can develop with continued physical activity.
Keep in mind the heat index values are meant for areas in shade and with light wind. The heat index values could be amplified by up to 15 Fahrenheit (8 Celsius) degrees in direct sunlight.
Note: The heat index, also known as 'feels like' or 'real feel', combines air temperature and relative humidity to represent a human perceived temperature equivalent. Additional factors encompassing metabolic differences, the level of physical activity, and clothing can impact the individual's perception of temperature. One's exposure to direct sunlight has the potential to intensify the heat sensation, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Young ones often underestimate the need for rest and rehydration. Thirst appears late in dehydration - hence, it is important to keep hydrated, particularly during prolonged physical activities.
The innate cooling system of the human body revolves around perspiration, with the evaporation of sweat being central to this process. When relative humidity is at high levels, the evaporation rate lessens, causing the body to keep more heat than it would in less humid conditions. Should the body fail to balance its heat gain, the escalating temperature poses health challenges.

Humidity

August is the least humid month, with an average relative humidity of 61%.

Rainfall

In Sulphur, in August, during 11.8 rainfall days, 2.13" (54mm) of precipitation is typically accumulated. In Sulphur, during the entire year, the rain falls for 129 days and collects up to 27.91" (709mm) of precipitation.

Snowfall

In Sulphur, Oklahoma, snow does not fall in May through October.

Daylight

In August, the average length of the day is 13h and 25min.
On the first day of the month, sunrise is at 6:38 am and sunset at 8:29 pm. On the last day of August, sunrise is at 7:00 am and sunset at 7:55 pm CDT.

Sunshine

In Sulphur, the average sunshine in August is 10.8h.

UV index

June through August, with an average maximum UV index of 7, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: In August, the maximum UV index of 7 suggests these recommendations:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. Limit your direct sun exposure, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. Shade structures might not provide complete sun protection. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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Frequently asked questions

What is the warmest month in Sulphur?

August is the warmest month in Sulphur, with an average high-temperature of 93.4°F (34.1°C) and an average low-temperature of 72.1°F (22.3°C).

How hot is it in Sulphur in August?

Sulphur in August has an average high-temperature of 93.4°F (34.1°C) and an average low-temperature of 72.1°F (22.3°C). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which combines relative humidity and air temperature, in August is estimated at 109.4°F (43°C).

What is the least humid month in Sulphur?

The least humid month in Sulphur is August, with an average relative humidity of 61%.

What is the average humidity in August in Sulphur?

The average relative humidity in August is 61%.

How much does it rain in Sulphur in August?

In Sulphur, during August, the rain falls for 11.8 days and regularly aggregates up to 2.13" (54mm) of precipitation.

When it does not snow in Sulphur?

In Sulphur, Oklahoma, snow does not fall in May through October.

How many hours of daylight does Sulphur have in August?

In August, the average day length is 13h and 25min.

When is the sunrise / sunset in August in Sulphur?

In August, on the first day of the month, sunrise is at 6:38 am and sunset at 8:29 pm. On the last day of the month, sunrise is at 7:00 am and sunset at 7:55 pm CDT.

How long on average sun shines in August in Sulphur?

In Sulphur, the average sunshine duration in August is 10.8h.

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

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

What is the UV index intensity in August in Sulphur?

In Sulphur, Oklahoma, the average daily maximum UV index in August is 7. A UV Index of 6 to 7 symbolizes a high health risk from 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
Sulphur, OK

Average temperature in August - Sulphur, OK
  • Average high temperature in August: 93.4°F

The warmest month (with the highest average high temperature) is August (93.4°F).
The month with the lowest average high temperature is January (50.2°F).

  • Average low temperature in August: 72.1°F

The month with the highest average low temperature is July (72.7°F).
The coldest month (with the lowest average low temperature) is January (33.4°F).

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Average pressure in August
Sulphur, OK

Average pressure in August - Sulphur, OK
  • Average pressure in August: 29.92"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).

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Average wind speed in August
Sulphur, OK

Average wind speed in August - Sulphur, OK
  • Average wind speed in August: 7.8mph

The windiest months (with the highest average wind speed) are March and April (11.1mph).
The calmest month (with the lowest average wind speed) is July (7.6mph).

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Average humidity in August
Sulphur, OK

Average humidity in August - Sulphur, OK
  • Average humidity in August: 61%

The month with the highest relative humidity is May (78%).
The month with the lowest relative humidity is August (61%).

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Average rainfall in August
Sulphur, OK

Average rainfall in August - Sulphur, OK
  • Average rainfall in August: 2.13"

The wettest month (with the highest rainfall) is May (4.37").
The driest month (with the least rainfall) is January (1.34").

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Average rainfall days in August
Sulphur, OK

Average rainfall days in August - Sulphur, OK
  • Average rainfall days in August: 11.8 days

The month with the highest number of rainy days is May (14.7 days).
The month with the least rainy days is January (6.3 days).

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Average snowfall in August
Sulphur, OK

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

The month with the highest snowfall is February (1.3").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in August
Sulphur, OK

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

The month with the highest number of snowfall days is February (2 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
Sulphur, OK

Average daylight in August / Average sunshine in August - Sulphur, OK
  • Average daylight in August: 13h and 2min

The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).

  • Average sunshine in August: 10h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).

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Average sunshine days in August
Sulphur, OK

Average sunshine days in August - Sulphur, OK
  • Average sunshine days in August: 17.2 days

The month with the most sunshine days is January (22.9 days).
The month with the least sunshine days is May (14.3 days).

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Average UV index in August
Sulphur, OK

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

The 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
Sulphur, OK

Average cloud cover in August - Sulphur, OK
  • Average cloud cover in August: 21

The month with the most cloud cover is March (Cloud cover 41).
The month with the least cloud cover is August (Cloud cover 21).

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Average visibility in August
Sulphur, OK

Average visibility in August - Sulphur, 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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Sulphur, Oklahoma, USA

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