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
Shifting into August, Wheaton records an average high-temperature of a still tropical 87.3°F (30.7°C), presenting minor fluctuations compared to the previous month. Throughout the August nights, Wheaton encounters a low-temperature of 66.7°F (19.3°C).Heat index
In August, the average heat index is evaluated at a torrid 100.4°F (38°C). Extra precautions are necessary, heat cramps and heat exhaustion are plausible outcomes. Extended activity could lead to heatstroke.Be informed that the heat index values are oriented around shady conditions and gentle breezes. The heat index could see an increase by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', stands as a testimony to how temperature and humidity combine to impact our sense of warmth. A person's impression of weather can be swayed by numerous aspects, among them metabolic variations, pregnancy, and activity levels. When you're directly under the sun's rays, remember that the heat index may surge by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Young kids are often more at risk than adults as they tend to perspire less. Besides, their skin surface is larger relative to their small bodies, and their increased heat output from their active lifestyle compounds their risk.
Evaporating sweat, an outcome of perspiration, is key in assisting the human body to moderate its temperature. In the presence of elevated relative humidity, the evaporation rate decreases. This reduction leads to increased body heat retention compared to conditions of dry air. When the body's heat gain surpasses its removal capacity, body temperature starts to climb, leading to potential heat-related ailments.
Humidity
The months with the lowest humidity are January, July, August and October, with an average relative humidity of 73%.Rainfall
In Wheaton, during August, the rain falls for 15.3 days and regularly aggregates up to 3.35" (85mm) of precipitation. Throughout the year, there are 152.1 rainfall days, and 34.45" (875mm) of precipitation is accumulated.Snowfall
In Wheaton, snow does not fall in June through October.Daylight
In August, the average length of the day is 13h and 31min.On the first day of August in Wheaton, sunrise is at 6:22 am and sunset at 8:22 pm. On the last day of the month, sunrise is at 6:47 am and sunset at 7:45 pm CDT.
Sunshine
In August, the average sunshine is 10.5h.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for average individuals.Note: The maximum UV index of 6 during August translates into these guidelines:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. The Sun's UV radiation is at its strongest between the hours of 10 a.m. and 4 p.m. Minimize direct exposure to the sun during this period. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is August?
What is the least humid month?
What is the average humidity in August?
How much does it rain in August?
When it does not snow?
What is the average length of the day in August?
What time are sunrise and sunset in August?
How many hours of sunshine does Wheaton have in August?
When is the highest UV index?
What is the UV index reading in August?
Average temperature in August
Wheaton, MO
- Average high temperature in August: 87.3°F
The warmest month (with the highest average high temperature) is July (88.9°F).
The month with the lowest average high temperature is January (42.4°F).
- Average low temperature in August: 66.7°F
The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (27°F).
Average pressure in August
Wheaton, MO
- Average pressure in August: 29.98"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
Wheaton, MO
- Average wind speed in August: 6.8mph
The windiest months (with the highest average wind speed) are March and April (10.3mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).
Average humidity in August
Wheaton, MO
- Average humidity in August: 73%
The month with the highest relative humidity is May (78%).
The months with the lowest relative humidity are January, July, August and October (73%).
Average rainfall in August
Wheaton, MO
- Average rainfall in August: 3.35"
The wettest month (with the highest rainfall) is May (5").
The driest month (with the least rainfall) is February (1.65").
Average rainfall days in August
Wheaton, MO
- Average rainfall days in August: 15.3 days
The month with the highest number of rainy days is May (17.2 days).
The month with the least rainy days is January (7.4 days).
Average snowfall in August
Wheaton, MO
- Average snowfall in August: 0"
The months with the highest snowfall are January and February (2.17").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in August
Wheaton, MO
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (5.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Wheaton, MO
- Average daylight in August: 13h and 3min
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 42min).
- Average sunshine in August: 10h and 3min
The months with the most sunshine are June and July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 5h and 18min).
Average sunshine days in August
Wheaton, MO
- Average sunshine days in August: 13.8 days
The month with the most sunshine days is December (20.5 days).
The month with the least sunshine days is July (11.4 days).
Average UV index in August
Wheaton, MO
- Average UV index in August: 6
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in August
Wheaton, MO
- Average cloud cover in August: 26
The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 26).
Average visibility in August
Wheaton, 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).
Wheaton, Missouri, USA
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