August weather forecastKellyville, OK
August
Weather in August
The last month of the summer, August, is also a hot month in Kellyville, Oklahoma, with temperature in the range of an average low of 70.3°F (21.3°C) and an average high of 90.9°F (32.7°C).Temperature
August's commencement is accompanied by an average high-temperature of a still hot 90.9°F (32.7°C), diverging marginally from July's 91.4°F (33°C). An average low-temperature of 70.3°F (21.3°C) is anticipated throughout the nights during August.Heat index
For most parts of August, the heat index is estimated at a blistering 105.8°F (41°C). Exercise special caution, heat exhaustion and heat cramps are probable. Prolonged activity may induce heatstroke.For clarity, heat index numbers account for light winds and areas under shade. Heat index values can rise by 15 Fahrenheit (8 Celsius) degrees when in direct sunlight.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is a fusion of air temperature and moisture levels to demonstrate the sensation of heat. Additional elements including metabolic differences, the level of physical activity, and attire have a role in shaping the individual's temperature perception. Direct exposure to sun rays can potentially augment the heat sensation, elevating the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Children often overlook the need for breaks and fluid intake. Thirst is a late-stage sign of dehydration - hence, it is necessary to stay hydrated, especially during extended periods of physical activities.
To prevent overheating and help regulate its internal temperature, the human body sweat and rely on the evaporation to cool down. Heightened relative humidity interferes with the body's usual cooling mechanism by reducing evaporation, subsequently decreasing the body's cooling rate and increasing the sensation of heat. If the body retains more heat than it can expel, the increasing temperature can lead to heat-related conditions.
Humidity
The months with the lowest humidity are January and August, with an average relative humidity of 66%.Rainfall
In Kellyville, during August, the rain falls for 12.3 days and regularly aggregates up to 2.87" (73mm) of precipitation. Throughout the year, there are 129.3 rainfall days, and 29.13" (740mm) of precipitation is accumulated.Snowfall
April through October are months without snowfall.Daylight
The average length of the day in August is 13h and 29min.On the first day of August, sunrise is at 6:32 am and sunset at 8:29 pm. On the last day of the month, sunrise is at 6:56 am and sunset at 7:53 pm CDT.
Sunshine
With an average of 11h of sunshine, August has the most sunshine of the year.UV index
June through August, with an average maximum UV index of 7, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: A maximum high daily UV index of 7 during August translates into the following directions:
Persist with safeguards and heed sun safety doctrines. Keeping sunburn at bay is of prime importance. Minimize exposure to direct sunlight and seek shade from 10 a.m. to 4 p.m., when UV radiation is most intense, but remember that shade structures may not offer complete protection. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Kellyville, OK
- Average high temperature in August: 90.9°F
The warmest month (with the highest average high temperature) is July (91.4°F).
The month with the lowest average high temperature is January (46.9°F).
- Average low temperature in August: 70.3°F
The month with the highest average low temperature is July (72.1°F).
The coldest month (with the lowest average low temperature) is January (31.5°F).
Average pressure in August
Kellyville, 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 (29.89"Hg).
Average wind speed in August
Kellyville, OK
- Average wind speed in August: 7.4mph
The windiest months (with the highest average wind speed) are March and April (10.9mph).
The calmest month (with the lowest average wind speed) is July (7.3mph).
Average humidity in August
Kellyville, OK
- Average humidity in August: 66%
The month with the highest relative humidity is May (80%).
The months with the lowest relative humidity are January and August (66%).
Average rainfall in August
Kellyville, OK
- Average rainfall in August: 2.87"
The wettest month (with the highest rainfall) is May (4.92").
The driest month (with the least rainfall) is January (1.22").
Average rainfall days in August
Kellyville, OK
- Average rainfall days in August: 12.3 days
The month with the highest number of rainy days is May (16.4 days).
The month with the least rainy days is January (5.4 days).
Average snowfall in August
Kellyville, OK
- Average snowfall in August: 0"
The month with the highest snowfall is February (1.65").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in August
Kellyville, OK
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (2.4 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
Kellyville, OK
- Average daylight in August: 13h and 30min
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 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 42min).
Average sunshine days in August
Kellyville, OK
- Average sunshine days in August: 16.2 days
The month with the most sunshine days is January (22.5 days).
The month with the least sunshine days is May (12.7 days).
Average UV index in August
Kellyville, 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).
Average cloud cover in August
Kellyville, OK
- Average cloud cover in August: 21
The month with the most cloud cover is March (Cloud cover 40).
The month with the least cloud cover is August (Cloud cover 21).
Average visibility in August
Kellyville, 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).





