August weather forecast
Flat River, MO

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Weather in August

August, the last month of the summer in Flat River, is another hot month, with an average temperature varying between 86.7°F (30.4°C) and 65.7°F (18.7°C).

Temperature

Flat River registers an average high-temperature of a still tropical 86.7°F (30.4°C) with the arrival of August, showing minor deviation from the preceding month. In the month of August, Flat River records a consistent average low-temperature of 65.7°F (18.7°C).

Heat index

During August, the heat index is evaluated at a torrid 98.6°F (37°C). More protective measures are required - heat exhaustion and heat cramps are likely. Heatstroke may follow lengthy activity.
Bear in mind that the heat index values are determined for shaded areas and light breezes. Uninterrupted exposure to the sun may boost the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', shows a temperature sensation when both heat and moisture conditions are combined. The impact of weather is individual, with diverse individuals experiencing it differently due to variations in body mass, height, and activity levels. By being directly under the sun, it's possible for the felt temperature to increase by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Young ones are generally more prone to risk than adults due to their reduced ability to sweat. Their large skin surface area relative to their diminutive bodies and elevated heat production from their activities further enhance this risk.
In high temperatures, perspiration kicks in, allowing the human body to cool down through the evaporation of sweat. An increase in relative humidity disrupts body cooling by slowing the evaporation rate, thereby reducing the rate at which the body cools and amplifying the sense of heat. If heat absorption isn't effectively countered by the body's cooling methods, body temperature surges, hinting at potential problems.

Humidity

The average relative humidity in August is 75%.

Rainfall

In Flat River, in August, it is raining for 15.3 days, with typically 3.11" (79mm) of accumulated precipitation. Throughout the year, in Flat River, there are 150.7 rainfall days, and 32.13" (816mm) of precipitation is accumulated.

Snowfall

April through October are months without snowfall.

Daylight

In Flat River, the average length of the day in August is 13h and 35min.
On the first day of the month, sunrise is at 6:06 am and sunset at 8:10 pm. On the last day of August, sunrise is at 6:31 am and sunset at 7:32 pm CDT.

Sunshine

In Flat River, the average sunshine in August is 10h.

UV index

The months with the highest UV index in Flat River, Missouri, are May through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for the ordinary person.
Note: An average maximum UV index of 6 in August leads to these recommendations:
Deflect overexposure. Sun protection is a necessity. Between 10 a.m. and 4 p.m., UV radiation is strongest. Make an effort to avoid direct sunlight during this time, remembering that shade structures may not provide full sun protection. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is August in Flat River?

Flat River in August has an average high-temperature of 86.7°F (30.4°C) and an average low-temperature of 65.7°F (18.7°C). The average heat index (a.k.a. 'feels like', 'real feel'), which represents the influence of relative humidity on air temperature, in August is evaluated at 98.6°F (37°C).

What is the average humidity in August in Flat River?

In Flat River, Missouri, the average relative humidity in August is 75%.

How much does it rain in Flat River in August?

In Flat River, in August, it is raining for 15.3 days, with typically 3.11" (79mm) of accumulated precipitation.

When it does not snow in Flat River?

In Flat River, Missouri, snow does not fall in April through October.

What is the average length of the day in August in Flat River?

The average day length in August is 13h and 35min.

When is the sunrise / sunset in August in Flat River?

In August, on the first day of the month, sunrise is at 6:06 am and sunset at 8:10 pm. On the last day of the month, in Flat River, Missouri, sunrise is at 6:31 am and sunset at 7:32 pm CDT.

How many hours of sunshine does Flat River have in August?

In August, the average sunshine duration is 10h.

What is the month with the highest UV index in Flat River?

The months with the highest UV index in Flat River, Missouri, are May through August, with an average maximum UV index of 6.

What is the UV index reading in August in Flat River?

In Flat River, Missouri, the average daily maximum UV index in August is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
Flat River, MO

Average temperature in August - Flat River, MO
  • Average high temperature in August: 86.7°F

The warmest month (with the highest average high temperature) is July (88.2°F).
The month with the lowest average high temperature is January (39.6°F).

  • Average low temperature in August: 65.7°F

The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (25.2°F).

Average pressure in August
Flat River, MO

Average pressure in August - Flat River, MO
  • Average pressure in August: 29.98"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in August
Flat River, MO

Average wind speed in August - Flat River, MO
  • Average wind speed in August: 5.2mph

The windiest month (with the highest average wind speed) is January (8.9mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

Average humidity in August
Flat River, MO

Average humidity in August - Flat River, 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 (73%).

Average rainfall in August
Flat River, MO

Average rainfall in August - Flat River, MO
  • Average rainfall in August: 3.11"

The wettest month (with the highest rainfall) is May (3.7").
The driest month (with the least rainfall) is September (1.89").

Average rainfall days in August
Flat River, MO

Average rainfall days in August - Flat River, MO
  • Average rainfall days in August: 15.3 days

The month with the highest number of rainy days is July (16.8 days).
The month with the least rainy days is December (7.7 days).

Average snowfall in August
Flat River, MO

Average snowfall in August - Flat River, MO
  • Average snowfall in August: 0"

The month with the highest snowfall is February (2.72").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in August
Flat River, MO

Average snowfall days in August - Flat River, MO
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (7 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
Flat River, MO

Average daylight in August / Average sunshine in August - Flat River, MO
  • Average daylight in August: 13h and 4min

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 0min

The month with the most sunshine is June (Average sunshine: 10h and 30min).
The months with the least sunshine are January and February (Average sunshine: 4h and 42min).

Average sunshine days in August
Flat River, MO

Average sunshine days in August - Flat River, MO
  • Average sunshine days in August: 13.1 days

The month with the most sunshine days is October (19.4 days).
The month with the least sunshine days is July (11.3 days).

Average UV index in August
Flat River, MO

Average UV index in August - Flat River, 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, February, November and December (UV index 2).

Average cloud cover in August
Flat River, MO

Average cloud cover in August - Flat River, MO
  • Average cloud cover in August: 31

The months with the most cloud cover are January and February (Cloud cover 49).
The month with the least cloud cover is June (Cloud cover 29).

Average visibility in August
Flat River, MO

Average visibility in August - Flat River, MO
  • Average visibility in August: 5mi

The months with the highest visibility are January, February, March, April, June, October, November and December (6mi).
The months with the lowest visibility are May, July, August and September (5mi).

Flat River, Missouri, USA

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