August weather forecastSallisaw, OK
August
Weather in August
The last month of the summer, August, is also a hot month in Sallisaw, Oklahoma, with an average temperature ranging between min 69.6°F (20.9°C) and max 91.8°F (33.2°C).Temperature
The average high-temperature during August registers at a still hot 91.8°F (33.2°C), maintaining a close resemblance to the previous month. In the face of high daytime temperatures, Sallisaw witnesses a consistent average nighttime low of 69.6°F (20.9°C) during August.Heat index
Throughout August, the heat index is evaluated at a scorching 111.2°F (44°C). Be on the lookout: Heat cramps and heat exhaustion are anticipated. Continued exertion can result in heatstroke.Observations indicate that the heat index values are for shady locations with light wind. Being exposed to direct sunshine might trigger a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', arises from combining readings of air temperature and relative moisture content. Factors encompassing physical activity, clothing, and metabolic differences have a role in shaping the individual's impression of temperature. One should be aware that direct sunshine can amplify the perceived temperature, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Young ones often do not realize the necessity to rest and replenish their fluids. Thirst is a delayed indication of dehydration - keeping hydrated, particularly in prolonged physical activity, is crucial.
To achieve cooling, the human body employs perspiration, relying on the subsequent evaporation of sweat. In high relative humidity, the body's ability to evaporate heat is diminished, resulting in a heightened feeling of warmth. Heat-related disorders may develop if heat gain in the body overshadows its cooling capacity, leading to elevated temperatures.
Humidity
With an average relative humidity of 69%, August is the least humid month.Rainfall
In August, the rain falls for 13.9 days. Throughout August, 3.23" (82mm) of precipitation is accumulated. In Sallisaw, during the entire year, the rain falls for 145.3 days and collects up to 35.79" (909mm) of precipitation.Snowfall
In Sallisaw, snow does not fall in April through October.Daylight
The average length of the day in August in Sallisaw is 13h and 27min.On the first day of August, sunrise is at 6:28 am and sunset at 8:22 pm. On the last day of the month, sunrise is at 6:51 am and sunset at 7:47 pm CDT.
Sunshine
July and August, with an average of 10.8h of sunshine, are months with the most 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 of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In August, the average maximum UV index of 7 translates into the following recommendations:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. 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. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Sallisaw, OK
- Average high temperature in August: 91.8°F
The warmest month (with the highest average high temperature) is July (92.7°F).
The month with the lowest average high temperature is January (48°F).
- Average low temperature in August: 69.6°F
The month with the highest average low temperature is July (71.2°F).
The coldest month (with the lowest average low temperature) is January (31.6°F).
Average pressure in August
Sallisaw, OK
- Average pressure in August: 29.96"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in August
Sallisaw, OK
- Average wind speed in August: 5.3mph
The windiest month (with the highest average wind speed) is April (8.4mph).
The calmest month (with the lowest average wind speed) is July (5.2mph).
Average humidity in August
Sallisaw, OK
- Average humidity in August: 69%
The month with the highest relative humidity is May (78%).
The month with the lowest relative humidity is August (69%).
Average rainfall in August
Sallisaw, OK
- Average rainfall in August: 3.23"
The wettest month (with the highest rainfall) is May (4.61").
The driest month (with the least rainfall) is February (2.2").
Average rainfall days in August
Sallisaw, OK
- Average rainfall days in August: 13.9 days
The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is January (8.7 days).
Average snowfall in August
Sallisaw, OK
- Average snowfall in August: 0"
The month with the highest snowfall is February (0.94").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in August
Sallisaw, 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).
Average daylight in August /
Average sunshine in August
Sallisaw, OK
- Average daylight in August: 13h and 30min
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: 10h and 48min
The months with the most sunshine are July and August (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).
Average sunshine days in August
Sallisaw, OK
- Average sunshine days in August: 14.1 days
The month with the most sunshine days is January (20.5 days).
The month with the least sunshine days is May (13.3 days).
Average UV index in August
Sallisaw, 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 February and December (UV index 2).
Average cloud cover in August
Sallisaw, OK
- Average cloud cover in August: 23
The month with the most cloud cover is February (Cloud cover 44).
The month with the least cloud cover is August (Cloud cover 23).
Average visibility in August
Sallisaw, 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).
