Contents
- Weather in August
- Frequently asked questions
- Average temperature in August
- Average pressure in August
- Average wind speed in August
- Average humidity in August
- Average rainfall in August
- Average rainfall days in August
- Average snowfall in August
- Average snowfall days in August
- Average daylight in August
- Average sunshine in August
- Average sunshine days in August
- Average UV index in August
- Average cloud cover in August
- Average visibility in August
Weather in August
Temperature
August's presence marks an average high-temperature of a still tropical 86°F (30°C), subtly varied from July's 87.4°F (30.8°C). An average low-temperature of 65.8°F (18.8°C) is anticipated throughout the nights in Foristell, Missouri, during August.Heat index
August's heat index is computed to be a sweltering 96.8°F (36°C). Preventive measures are required to mitigate the risk of heat cramps and heat exhaustion. Continuous activity may precipitate heatstroke.In the scope of the heat index, its values resonate with shade and light wind conditions. If exposed to direct sunlight, the heat index could climb by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is an estimation of the warmth sensation when considering humidity levels. The influence of weather is personal, differing among individuals based on variations in body mass, stature, and the degree of physical exertion. Awareness is key; direct sunlight can enhance the weather's impact, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. In general, younger individuals are at greater risk than adults because they tend to sweat less. Also, having a larger skin surface to body size ratio and greater heat production due to their active behavior contribute to this danger.
The body's innate mechanism to counteract overheating is through perspiration, as it leverages the cooling effects of sweat evaporation. With excessive moisture in the atmosphere, the effectiveness of the evaporation process is decreased, causing the body to cool down less efficiently, leading to a sensation of overheating. When heat surpasses the body's release mechanisms, dehydration and overheating risks become pronounced.
Humidity
The average relative humidity in August in Foristell is 75%.Rainfall
In August, the rain falls for 14.3 days. Throughout August, 3.07" (78mm) of precipitation is accumulated. In Foristell, during the entire year, the rain falls for 145 days and collects up to 30.04" (763mm) of precipitation.Snowfall
April through October are months without snowfall in Foristell.Daylight
In August, the average length of the day in Foristell is 13h and 38min.On the first day of August in Foristell, sunrise is at 6:05 am and sunset at 8:14 pm. On the last day of the month, sunrise is at 6:32 am and sunset at 7:35 pm CDT.
Sunshine
The average sunshine in August is 10.2h.UV index
The months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: A maximum daily UV index of 6 during August morphs into the following directions:
Beware of overexposure. Fair-skinned individuals risk burning in less than 20 minutes. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is particularly strong, noting that parasols or canopies may not offer total sun protection. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
Frequently asked questions
Is it hot in Foristell during August?
What is the average humidity in August in Foristell?
How many days does it rain in August in Foristell?
When it does not snow in Foristell?
What is the average length of the day in August in Foristell?
When are sunrise and sunset in August in Foristell?
How many hours of sunshine does Foristell have in August?
What is the month with the highest UV index in Foristell?
What is the UV index intensity in August in Foristell?
Average temperature in August
Foristell, MO
- Average high temperature in August: 86°F
The warmest month (with the highest average high temperature) is July (87.4°F).
The month with the lowest average high temperature is January (37.4°F).
- Average low temperature in August: 65.8°F
The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).
Average pressure in August
Foristell, MO
- Average pressure in August: 29.97"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in August
Foristell, MO
- Average wind speed in August: 5.5mph
The windiest month (with the highest average wind speed) is January (8.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).
Average humidity in August
Foristell, MO
- Average humidity in August: 75%
The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is October (72%).
Average rainfall in August
Foristell, MO
- Average rainfall in August: 3.07"
The wettest month (with the highest rainfall) is May (3.46").
The driest month (with the least rainfall) is January (1.46").
Average rainfall days in August
Foristell, MO
- Average rainfall days in August: 14.3 days
The month with the highest number of rainy days is May (17.6 days).
The month with the least rainy days is January (6.9 days).
Average snowfall in August
Foristell, MO
- Average snowfall in August: 0"
The month with the highest snowfall is January (2.87").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in August
Foristell, MO
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (6.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Foristell, MO
- Average daylight in August: 13h and 4min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in August: 10h and 1min
The months with the most sunshine are June and July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).
Average sunshine days in August
Foristell, MO
- Average sunshine days in August: 14.5 days
The months with the most sunshine days are January, October and December (19.5 days).
The month with the least sunshine days is May (11.1 days).
Average UV index in August
Foristell, 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
Foristell, MO
- Average cloud cover in August: 29
The month with the most cloud cover is January (Cloud cover 50).
The months with the least cloud cover are June and August (Cloud cover 29).
Average visibility in August
Foristell, MO
- Average visibility in August: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, September, October, November and December (6mi).
The month with the lowest visibility is August (5mi).
Foristell, Missouri, USA
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