August weather forecast
Marionville, MO

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Weather in August

August, the last month of the summer in Marionville, is another tropical month, with an average temperature varying between 87.1°F (30.6°C) and 66.6°F (19.2°C).

Temperature

August's average high-temperature is a still tropical 87.1°F (30.6°C), maintaining a close comparison with July's 88.7°F (31.5°C). The nighttime temperature in Marionville, Missouri, during August, averages of 66.6°F (19.2°C).

Heat index

In August, the heat index is appraised at a fiery hot 98.6°F (37°C). Exercise increased caution, heat cramps and heat exhaustion are potential hazards. Continuous activity could lead to heatstroke.
Be aware that heat index ratings are designed for shaded locations and minor breezes. The heat index might be elevated by 15 Fahrenheit (8 Celsius) degrees due to direct sun exposure.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is the result of factoring in humidity to the air temperature, indicating perceived warmth. Factors such as metabolic variations, being pregnant, and physical activity can impact an individual's weather perception. 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 highly critical for babies and toddlers. Children commonly overlook the importance of rest and fluid replenishment. Thirst, being a delayed sign of dehydration, emphasizes the need to keep hydration up, especially during lengthy physical activities.
The body's self-cooling mechanism is rooted in perspiration, where evaporating sweat cools down excessive warmth. With higher relative humidity, the rate of evaporation is reduced, resulting in increased heat retention in the body compared to drier air. As the body accumulates more heat than it can release, body temperature goes up, increasing the risk of heat-related health issues.

Humidity

July, August and October, with an average relative humidity of 73%, are the least humid months.

Rainfall

In Marionville, in August, it is raining for 16.6 days, with typically 3.66" (93mm) of accumulated precipitation. Throughout the year, there are 155.2 rainfall days, and 36.5" (927mm) of precipitation is accumulated.

Snowfall

In Marionville, Missouri, snow does not fall in June through October.

Daylight

The average length of the day in August is 13h and 32min.
On the first day of August, sunrise is at 6:20 am and sunset at 8:21 pm. On the last day of the month, sunrise is at 6:45 am and sunset at 7:44 pm CDT.

Sunshine

In Marionville, the average sunshine in August is 10.4h.

UV index

The months with the highest UV index in Marionville are May through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for the average person.
Note: The maximum UV index of 6 during August translates into these guidelines:
Fend off overexposure. Sun protection is vital. The Sun's UV radiation is most intense from 10 a.m. to 4 p.m. Try to avoid direct sun exposure during these hours. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
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Frequently asked questions

How hot is it in Marionville in August?

The high-temperature in Marionville, Missouri, during August is 87.1°F (30.6°C) and the low-temperature is 66.6°F (19.2°C). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which factors the actual air temperature with the relative humidity, in August is appraised at 98.6°F (37°C).

What are the least humid months in Marionville?

The months with the lowest humidity in Marionville, Missouri, are July, August and October, with an average relative humidity of 73%.

What is the average humidity in August in Marionville?

In August, the average relative humidity is 73%.

How many days does it rain in August in Marionville?

In Marionville, in August, it is raining for 16.6 days, with typically 3.66" (93mm) of accumulated precipitation.

When it does not snow in Marionville?

June through October are months without snowfall.

What is the average length of the day in August in Marionville?

In August, the average day length is 13h and 32min.

When is the sunrise / sunset in August in Marionville?

In August, on the first day of the month, sunrise is at 6:20 am and sunset at 8:21 pm. On the last day of the month, in Marionville, Missouri, sunrise is at 6:45 am and sunset at 7:44 pm CDT.

How many hours of sunshine does Marionville have in August?

In August, the average sunshine duration in Marionville is 10.4h.

What is the month with the highest UV index in Marionville?

May through August, with an average maximum UV index of 6, are months with the highest UV index in Marionville.

What is the UV index intensity in August in Marionville?

In August, the average daily maximum UV index in Marionville, Missouri, is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to Sun's UV rays.
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
Marionville, MO

Average temperature in August - Marionville, MO
  • Average high temperature in August: 87.1°F

The warmest month (with the highest average high temperature) is July (88.7°F).
The month with the lowest average high temperature is January (42.4°F).

  • Average low temperature in August: 66.6°F

The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (26.6°F).

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Average pressure in August
Marionville, MO

Average pressure in August - Marionville, 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).

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Average wind speed in August
Marionville, MO

Average wind speed in August - Marionville, MO
  • Average wind speed in August: 6.6mph

The windiest months (with the highest average wind speed) are March and April (10.1mph).
The calmest month (with the lowest average wind speed) is July (6.5mph).

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Average humidity in August
Marionville, MO

Average humidity in August - Marionville, MO
  • Average humidity in August: 73%

The month with the highest relative humidity is May (78%).
The months with the lowest relative humidity are July, August and October (73%).

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Average rainfall in August
Marionville, MO

Average rainfall in August - Marionville, MO
  • Average rainfall in August: 3.66"

The wettest month (with the highest rainfall) is May (5.28").
The driest month (with the least rainfall) is February (1.77").

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Average rainfall days in August
Marionville, MO

Average rainfall days in August - Marionville, MO
  • Average rainfall days in August: 16.6 days

The month with the highest number of rainy days is May (17.6 days).
The month with the least rainy days is January (7.2 days).

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Average snowfall in August
Marionville, MO

Average snowfall in August - Marionville, MO
  • Average snowfall in August: 0"

The month with the highest snowfall is January (2.64").
The months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days in August
Marionville, MO

Average snowfall days in August - Marionville, MO
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is February (5.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in August /
Average sunshine in August
Marionville, MO

Average daylight in August / Average sunshine in August - Marionville, MO
  • Average daylight in August: 13h and 3min

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 42min).

  • Average sunshine in August: 10h and 2min

The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 5h and 12min).

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Average sunshine days in August
Marionville, MO

Average sunshine days in August - Marionville, MO
  • Average sunshine days in August: 13 days

The month with the most sunshine days is December (21.1 days).
The month with the least sunshine days is May (11.3 days).

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Average UV index in August
Marionville, MO

Average UV index in August - Marionville, 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).

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Average cloud cover in August
Marionville, MO

Average cloud cover in August - Marionville, MO
  • Average cloud cover in August: 27

The month with the most cloud cover is March (Cloud cover 48).
The months with the least cloud cover are July and August (Cloud cover 27).

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Average visibility in August
Marionville, MO

Average visibility in August - Marionville, 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).

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Marionville, Missouri, USA

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