August weather forecastPolk, MO
August
Weather in August
The last month of the summer, August, is another tropical month in Polk, Missouri, with an average temperature fluctuating between 87.1°F (30.6°C) and 66.7°F (19.3°C).Temperature
August's advent denotes a minor fluctuation in the average high-temperature to a still tropical 87.1°F (30.6°C) from July's 88.7°F (31.5°C). Throughout August, Polk registers a consistent average low-temperature of 66.7°F (19.3°C).Heat index
During August, the heat index is computed to be a torrid 98.6°F (37°C). Exercise more precautions, heat cramps and heat exhaustion are potential risks. Continuous activity could precipitate heatstroke.Realize that the values for the heat index are set for shaded places and light winds. With exposure to direct sunshine, the heat index could climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', marries air temperature and humidity to produce a value illustrating perceived warmth. The effect is personal, with varied weather perceptions among individuals due to differences in body mass, stature, and physical activity. Always consider that direct sunlight exposure might heighten the heat's effects, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Young ones often ignore the need to take a break and drink fluids. Thirst is a late-stage symptom of dehydration - hence, maintaining hydration, particularly during extended physical activities, is crucial.
The physiological way the human body responds to excessive heat is by inducing perspiration, using sweat evaporation as a cooling mechanism. With higher relative humidity, the rate of evaporation is reduced, resulting in increased heat retention in the body compared to drier air. When heat surpasses the body's release mechanisms, dehydration and overheating risks become pronounced.
Humidity
In August, the average relative humidity is 73%.Rainfall
In Polk, during August, the rain falls for 14.3 days and regularly aggregates up to 3.27" (83mm) of precipitation. Throughout the year, there are 148.3 rainfall days, and 32.64" (829mm) of precipitation is accumulated.Snowfall
In Polk, snow does not fall in June through October.Daylight
In Polk, the average length of the day in August is 13h and 34min.On the first day of the month, sunrise is at 6:17 am and sunset at 8:21 pm. On the last day of August, sunrise is at 6:43 am and sunset at 7:43 pm CDT.
Sunshine
In August, the average sunshine in Polk is 10.4h.UV index
June through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum UV index of 6 during August translates into these guidelines:
Resist extreme sun exposure. Guarding against solar damage is essential. Stay in the shade and limit sun exposure from 10 a.m. to 4 p.m., when UV radiation is most potent. Keep in mind that shade structures like parasols or canopies do not offer full protection. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Polk, MO
- Average high temperature in August: 87.1°F
The warmest month (with the highest average high temperature) is July (88.7°F).
The month with the lowest average high temperature is January (41°F).
- Average low temperature in August: 66.7°F
The month with the highest average low temperature is July (68.7°F).
The coldest month (with the lowest average low temperature) is January (25.5°F).
Average pressure in August
Polk, MO
- Average pressure in August: 29.98"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The months with the lowest atmospheric pressure are April and June (29.93"Hg).
Average wind speed in August
Polk, MO
- Average wind speed in August: 6.6mph
The windiest month (with the highest average wind speed) is March (10.1mph).
The calmest month (with the lowest average wind speed) is July (6.4mph).
Average humidity in August
Polk, MO
- Average humidity in August: 73%
The month with the highest relative humidity is May (78%).
The month with the lowest relative humidity is October (72%).
Average rainfall in August
Polk, MO
- Average rainfall in August: 3.27"
The wettest month (with the highest rainfall) is May (5.28").
The driest months (with the least rainfall) are January and December (1.57").
Average rainfall days in August
Polk, MO
- Average rainfall days in August: 14.3 days
The month with the highest number of rainy days is May (17.4 days).
The months with the least rainy days are January and December (6.9 days).
Average snowfall in August
Polk, MO
- Average snowfall in August: 0"
The month with the highest snowfall is February (2.64").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in August
Polk, MO
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (6.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Polk, MO
- Average daylight in August: 13h and 36min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in August: 10h and 24min
The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).
Average sunshine days in August
Polk, MO
- Average sunshine days in August: 14.1 days
The month with the most sunshine days is December (20.5 days).
The month with the least sunshine days is May (11.1 days).
Average UV index in August
Polk, MO
- Average UV index in August: 6
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in August
Polk, MO
- Average cloud cover in August: 27
The month with the most cloud cover is March (Cloud cover 47).
The months with the least cloud cover are June, July and August (Cloud cover 27).
Average visibility in August
Polk, MO
- 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).
