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 is the month when Saint Louis sees the highest average temperatures, with a high of 92.5°F (33.6°C) and a low of 71.2°F (21.8°C).Heat index
In August, the heat index is appraised at a blisteringly hot 107.6°F (42°C). Undertake extra safety actions, heat cramps and heat exhaustion are expected. Heatstroke may result from lengthy activity.Be aware that heat index ratings are designed for shaded locations and minor breezes. The heat index has the potential to rise by 15 Fahrenheit (8 Celsius) degrees with direct sunshine exposure.
Note: The heat index, also known as 'felt air temperature' or 'feels like', stands as a testimony to how temperature and humidity combine to impact our sense of warmth. The impact of weather on an individual can be subjective, affected by the person's activity and heat perception, which can vary due to elements including wind, clothing, and metabolic differences. When directly under the sun, the weather's impact can intensify, possibly boosting the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Kids are usually in more danger than grown-ups as they tend to sweat less. Plus, their bigger skin surface in relation to their small frames and increased heat generation due to their activity level make them more susceptible.
Perspiration is the body's default response to elevated temperatures, as it promotes the evaporation of sweat to achieve cooling. In conditions of both high temperature and humidity (a high heat index), sweating is limited and the perception of heat is enhanced. Heat-related challenges, like dehydration, can be anticipated when body heat isn't managed effectively.
Humidity
August is the least humid month, with an average relative humidity of 63%.Rainfall
In Saint Louis, during August, the rain falls for 10.7 days and regularly aggregates up to 1.81" (46mm) of precipitation. In Saint Louis, during the entire year, the rain falls for 111.2 days and collects up to 17.13" (435mm) of precipitation.Snowfall
May through October are months without snowfall.Daylight
The average length of the day in August is 13h and 26min.On the first day of August, sunrise is at 6:37 am and sunset at 8:30 pm. On the last day of the month, sunrise is at 6:59 am and sunset at 7:55 pm CDT.
Sunshine
With an average of 11.1h 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 estimate of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for the average person.Note: A maximum UV index of 7 in August translates into the following recommendations:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. Remember that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. Make an effort to avoid direct sun exposure during these hours. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the hottest time of year?
How hot is it in 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?
What month has the most sunshine?
How many hours of sunshine does Saint Louis have in August?
When is the highest UV index?
What is the UV index reading in August?
Average temperature in August
Saint Louis, OK
- Average high temperature in August: 92.5°F
The warmest month (with the highest average high temperature) is August (92.5°F).
The month with the lowest average high temperature is January (49.3°F).
- Average low temperature in August: 71.2°F
The month with the highest average low temperature is July (72.7°F).
The coldest month (with the lowest average low temperature) is January (33.4°F).
Average pressure in August
Saint Louis, 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
Saint Louis, OK
- Average wind speed in August: 7.5mph
The windiest months (with the highest average wind speed) are March and April (11.1mph).
The calmest months (with the lowest average wind speed) are July and August (7.5mph).
Average humidity in August
Saint Louis, OK
- Average humidity in August: 63%
The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is August (63%).
Average rainfall in August
Saint Louis, OK
- Average rainfall in August: 1.81"
The wettest month (with the highest rainfall) is May (2.6").
The driest month (with the least rainfall) is February (0.71").
Average rainfall days in August
Saint Louis, OK
- Average rainfall days in August: 10.7 days
The month with the highest number of rainy days is May (12.4 days).
The month with the least rainy days is January (5.3 days).
Average snowfall in August
Saint Louis, OK
- Average snowfall in August: 0"
The month with the highest snowfall is February (0.75").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in August
Saint Louis, OK
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (1.8 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
Saint Louis, OK
- Average daylight in August: 13h and 2min
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: 11h and 1min
The month with the most sunshine is August (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 48min).
Average sunshine days in August
Saint Louis, OK
- Average sunshine days in August: 17.2 days
The month with the most sunshine days is January (24 days).
The months with the least sunshine days are April, May and September (15.9 days).
Average UV index in August
Saint Louis, OK
- Average UV index in August: 7
The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in August
Saint Louis, OK
- Average cloud cover in August: 20
The month with the most cloud cover is March (Cloud cover 39).
The month with the least cloud cover is August (Cloud cover 20).
Average visibility in August
Saint Louis, 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).
Saint Louis, Oklahoma, USA
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