August weather forecastSpiro, OK
August
Weather in August
August, the last month of the summer in Spiro, is also a hot month, with an average temperature ranging between max 92.1°F (33.4°C) and min 69.6°F (20.9°C).Temperature
The transition into August marks the average high-temperature at a still tropical 92.1°F (33.4°C), differing minimally from July's 93°F (33.9°C). With a significant temperature contrast, nighttime temperatures hover around an average low of 69.6°F (20.9°C) in August.Heat index
August's mean heat index is computed to be a blistering 111.2°F (44°C). Beware: Heat exhaustion along with heat cramps are on the cards. Heatstroke could result from sustained physical activity.Heat index determinations are made taking into account the shade and light air movements. The heat index could see an increase by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is a composite of temperature and humidity figures to convey how warm it feels. This effect tends to be personal, with the weather perception differing among individuals due to variations in body mass, height, and exertion. Be mindful that being in direct sunlight might mean feeling hotter, with the heat index rising by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Young ones regularly neglect the requirement for rest and fluid replenishment. Thirst is a late stage of dehydration - so, it is necessary to keep hydrated, particularly during extended periods of physical exertion.
The human body normally cools itself by perspiration, as evaporated sweat carries heat away from the body. A surge in relative humidity can disrupt the body's normal cooling function by slowing evaporation, hence reducing the rate at which the body cools and intensifying the perception of heat. When the heat gained surpasses the body's cooling capacity, temperatures rise, signaling potential health concerns.
Humidity
With an average relative humidity of 69%, August is the least humid month.Rainfall
In August, the rain falls for 14.1 days. Throughout August, 3.11" (79mm) of precipitation is accumulated. In Spiro, during the entire year, the rain falls for 147.8 days and collects up to 34.76" (883mm) of precipitation.Snowfall
In Spiro, snow does not fall in April through October.Daylight
In August, the average length of the day is 13h and 26min.On the first day of the month, sunrise is at 6:28 am and sunset at 8:21 pm. On the last day of August, sunrise is at 6:50 am and sunset at 7:46 pm CDT.
Sunshine
The months with the most sunshine are July and August, with an average of 10.9h of sunshine.UV index
The average daily maximum UV index in August is 6. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: In August, the maximum UV index of 6 suggests these recommendations:
Continue precautions and advocate sun safety advice. Deterrence of sunburn is indispensable. To the best of your ability, limit your exposure to the sun between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Spiro, OK
- Average high temperature in August: 92.1°F
The warmest month (with the highest average high temperature) is July (93°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 (31.8°F).
Average pressure in August
Spiro, 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 (29.93"Hg).
Average wind speed in August
Spiro, OK
- Average wind speed in August: 5mph
The windiest month (with the highest average wind speed) is April (8.1mph).
The calmest months (with the lowest average wind speed) are July and August (5mph).
Average humidity in August
Spiro, OK
- Average humidity in August: 69%
The month with the highest relative humidity is May (77%).
The month with the lowest relative humidity is August (69%).
Average rainfall in August
Spiro, OK
- Average rainfall in August: 3.11"
The wettest month (with the highest rainfall) is May (4.45").
The driest months (with the least rainfall) are January and February (2.17").
Average rainfall days in August
Spiro, OK
- Average rainfall days in August: 14.1 days
The month with the highest number of rainy days is March (15.6 days).
The month with the least rainy days is November (8.9 days).
Average snowfall in August
Spiro, OK
- Average snowfall in August: 0"
The month with the highest snowfall is February (1.1").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in August
Spiro, OK
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (2.1 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
Spiro, OK
- Average daylight in August: 13h and 24min
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 54min
The months with the most sunshine are July and August (Average sunshine: 10h and 54min).
The month with the least sunshine is January (Average sunshine: 5h and 30min).
Average sunshine days in August
Spiro, OK
- Average sunshine days in August: 14.3 days
The month with the most sunshine days is January (19.6 days).
The month with the least sunshine days is May (13.4 days).
Average UV index in August
Spiro, 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).
Average cloud cover in August
Spiro, 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
Spiro, 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).





