August weather forecast
Fort Gibson, OK

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Weather in August

The last month of the summer, August, is also a hot month in Fort Gibson, Oklahoma, with an average temperature varying between 91°F (32.8°C) and 69.8°F (21°C).

Temperature

The unfolding of August shows an average high-temperature of a still tropical 91°F (32.8°C), indicating a slight variance from July's 91.9°F (33.3°C). In the month of August, Fort Gibson's average low-temperature falls to a pleasant 69.8°F (21°C).

Heat index

In August, the average heat index is computed to be an extremely hot 107.6°F (42°C). More preventive actions are needed, risk of heat exhaustion and heat cramps is significant. Prolonged activity may trigger heatstroke.
One should consider that heat index numbers are for shaded settings and light wind. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is the result of factoring in humidity to the air temperature, indicating perceived warmth. A person's impression of weather can be affected by numerous aspects, among them metabolic variations, pregnancy, and activity levels. When directly under the sun, the weather's impact can intensify, possibly boosting the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Children often fail to understand the importance of rest and rehydration. Thirst is a late manifestation of dehydration - hence, it is crucial to stay hydrated, especially during ongoing physical activities.
The primary way humans combat excessive warmth is by perspiring, letting sweat evaporate and cool the body. Under conditions of increased relative humidity, the evaporation rate lessens, causing the body to retain more heat than under less humid conditions. Temperature imbalances caused by excessive heat retention can trigger heat-related maladies.

Humidity

The least humid month in Fort Gibson is August, with an average relative humidity of 68%.

Rainfall

In Fort Gibson, in August, during 12.7 rainfall days, 2.95" (75mm) of precipitation is typically accumulated. Throughout the year, there are 134.9 rainfall days, and 32.36" (822mm) of precipitation is accumulated.

Snowfall

May through October are months without snowfall.

Daylight

In August, the average length of the day in Fort Gibson is 13h and 28min.
On the first day of the month, sunrise is at 6:29 am and sunset at 8:25 pm. On the last day of August, sunrise is at 6:52 am and sunset at 7:49 pm CDT.

Sunshine

August has the most sunshine of the year in Fort Gibson, with an average of 11h of sunshine.

UV index

In Fort Gibson, the average daily maximum UV index in August is 6. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for ordinary individuals.
Note: In August, the maximum UV index of 6 translates into these guidelines:
Embrace precautions and observe sun safety norms. Evasion of sunburn is a necessity. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
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Frequently asked questions

How hot does it get in Fort Gibson in August?

The high-temperature, in August, in Fort Gibson, is 91°F (32.8°C), while the low-temperature averages to 69.8°F (21°C). In August, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which represents the influence of relative humidity on air temperature, is computed to be 107.6°F (42°C).

What is the least humid month in Fort Gibson?

August is the least humid month, with an average relative humidity of 68%.

What is the average humidity in August in Fort Gibson?

In August, the average relative humidity in Fort Gibson, Oklahoma, is 68%.

How much does it rain in Fort Gibson in August?

In Fort Gibson, Oklahoma, during August, the rain falls for 12.7 days and regularly aggregates up to 2.95" (75mm) of precipitation.

When it does not snow in Fort Gibson?

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

How many hours of daylight does Fort Gibson have in August?

The average day length in August in Fort Gibson is 13h and 28min.

When are sunrise and sunset in August in Fort Gibson?

On the first day of August, sunrise is at 6:29 am and sunset at 8:25 pm. On the last day of the month, sunrise is at 6:52 am and sunset at 7:49 pm CDT.

What month has the most sunshine in Fort Gibson?

The month with the most sunshine is August, with an average of 11h of sunshine.

How many hours of sunshine does Fort Gibson have in August?

In Fort Gibson, the average sunshine duration in August is 11h.

How high is the UV index in August in Fort Gibson?

In August, the average daily maximum UV index in Fort Gibson is 6. A UV Index estimate of 6 to 7 represents a high health threat from unprotected exposure to UV radiation.
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
Fort Gibson, OK

Average temperature in August - Fort Gibson, OK
  • Average high temperature in August: 91°F

The warmest month (with the highest average high temperature) is July (91.9°F).
The month with the lowest average high temperature is January (46.9°F).

  • Average low temperature in August: 69.8°F

The month with the highest average low temperature is July (72°F).
The coldest month (with the lowest average low temperature) is January (31.5°F).

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Average pressure in August
Fort Gibson, OK

Average pressure in August - Fort Gibson, OK
  • Average pressure in August: 29.95"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

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Average wind speed in August
Fort Gibson, OK

Average wind speed in August - Fort Gibson, OK
  • Average wind speed in August: 6.3mph

The windiest month (with the highest average wind speed) is March (9.9mph).
The calmest month (with the lowest average wind speed) is July (6.2mph).

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Average humidity in August
Fort Gibson, OK

Average humidity in August - Fort Gibson, OK
  • Average humidity in August: 68%

The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is August (68%).

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Average rainfall in August
Fort Gibson, OK

Average rainfall in August - Fort Gibson, OK
  • Average rainfall in August: 2.95"

The wettest month (with the highest rainfall) is May (4.69").
The driest month (with the least rainfall) is February (1.65").

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Average rainfall days in August
Fort Gibson, OK

Average rainfall days in August - Fort Gibson, OK
  • Average rainfall days in August: 12.7 days

The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is January (7.1 days).

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Average snowfall in August
Fort Gibson, OK

Average snowfall in August - Fort Gibson, OK
  • Average snowfall in August: 0"

The month with the highest snowfall is February (0.98").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in August
Fort Gibson, OK

Average snowfall days in August - Fort Gibson, OK
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is February (2.3 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
Fort Gibson, OK

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

The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).

  • Average sunshine in August: 11h and 0min

The month with the most sunshine is August (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).

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Average sunshine days in August
Fort Gibson, OK

Average sunshine days in August - Fort Gibson, OK
  • Average sunshine days in August: 15.8 days

The month with the most sunshine days is January (21.9 days).
The month with the least sunshine days is April (13.2 days).

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Average UV index in August
Fort Gibson, OK

Average UV index in August - Fort Gibson, OK
  • Average UV index in August: 6

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

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Average cloud cover in August
Fort Gibson, OK

Average cloud cover in August - Fort Gibson, OK
  • Average cloud cover in August: 21

The month with the most cloud cover is March (Cloud cover 42).
The month with the least cloud cover is August (Cloud cover 21).

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Average visibility in August
Fort Gibson, OK

Average visibility in August - Fort Gibson, 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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Fort Gibson, Oklahoma, USA

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