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
The transition into August shows a subtle variation to a still warm 83.5°F (28.6°C) from July's 85.3°F (29.6°C) in the average high-temperature. In Rayville, the average temperature during the nights of August drops to a refreshing 65.1°F (18.4°C).Heat index
In August, the average heat index is evaluated at a tropical 91.4°F (33°C). Adopt extra preventive measures, the occurrence of heat cramps and heat exhaustion is likely. Heatstroke may follow extended activity.Understand that the heat index values take into account shaded locations and mild winds. 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 'felt air temperature', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. The influence of weather is personal, differing among a variety of individuals based on differences in body mass, stature, and the level of physical activity. It is essential to realize that direct sunlight can escalate the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Young people are generally more susceptible than adults because they perspire less. Furthermore, their proportionally larger skin surface to their petite bodies and the increased heat output from their actions add to the risk.
Humidity
In August, the average relative humidity in Rayville is 79%.Rainfall
In Rayville, in August, during 13.8 rainfall days, 2.91" (74mm) of precipitation is typically accumulated. Throughout the year, there are 137 rainfall days, and 27.52" (699mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
In Rayville, the average length of the day in August is 13h and 40min.On the first day of August, sunrise is at 6:16 am and sunset at 8:28 pm. On the last day of the month, sunrise is at 6:44 am and sunset at 7:48 pm CDT.
Sunshine
The average sunshine in August in Rayville is 10h.UV index
June through August, with an average maximum UV index of 6, are months with the highest UV index in Rayville, Missouri. A UV Index value of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: In August, the average maximum UV index of 6 translates into the following recommendations:
Deflect overexposure. Sun protection is a necessity. 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. Enhance your sun protection with tightly woven, yet airy clothing.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is it hot in Rayville during August?
What is the average humidity in August in Rayville?
How much does it rain in Rayville in August?
When it does not snow in Rayville?
What is the average length of the day in August in Rayville?
When is the sunrise / sunset in August in Rayville?
How many hours of sunshine does Rayville have in August?
What is the month with the highest UV index in Rayville?
What is the UV index reading in August in Rayville?
Average temperature in August
Rayville, MO
- Average high temperature in August: 83.5°F
The warmest month (with the highest average high temperature) is July (85.3°F).
The month with the lowest average high temperature is January (35.6°F).
- Average low temperature in August: 65.1°F
The month with the highest average low temperature is July (67.8°F).
The coldest month (with the lowest average low temperature) is January (21.9°F).
Average pressure in August
Rayville, MO
- 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 (29.9"Hg).
Average wind speed in August
Rayville, MO
- Average wind speed in August: 6.2mph
The windiest month (with the highest average wind speed) is March (9.8mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).
Average humidity in August
Rayville, MO
- Average humidity in August: 79%
The months with the highest relative humidity are May and June (80%).
The month with the lowest relative humidity is October (71%).
Average rainfall in August
Rayville, MO
- Average rainfall in August: 2.91"
The wettest month (with the highest rainfall) is May (3.62").
The driest month (with the least rainfall) is January (0.94").
Average rainfall days in August
Rayville, MO
- Average rainfall days in August: 13.8 days
The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is January (5.2 days).
Average snowfall in August
Rayville, MO
- Average snowfall in August: 0"
The month with the highest snowfall is February (3.23").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Rayville, MO
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (4.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Rayville, MO
- Average daylight in August: 13h and 4min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in August: 10h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).
Average sunshine days in August
Rayville, MO
- Average sunshine days in August: 14 days
The month with the most sunshine days is December (21.5 days).
The month with the least sunshine days is May (11.3 days).
Average UV index in August
Rayville, 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
Rayville, MO
- Average cloud cover in August: 28
The month with the most cloud cover is March (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 27).
Average visibility in August
Rayville, 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).
Rayville, Missouri, USA
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