August weather forecast
Morrisville, MO

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Weather in August

The last month of the summer, August, is another hot month in Morrisville, Missouri, with an average temperature fluctuating between 87.1°F (30.6°C) and 66.7°F (19.3°C).

Temperature

With the advent of August, Morrisville's high-temperatures adjust to a still tropical 87.1°F (30.6°C), closely aligning with the preceding month. Morrisville records an average low of 66.7°F (19.3°C) throughout the nights in August.

Heat index

August's heat index is computed to be a sweltering 98.6°F (37°C). Exercise heightened safety, heat cramps and heat exhaustion are probable. Persistent activity may provoke heatstroke.
It is crucial to understand that heat index figures are for shade and gentle wind conditions. With direct sunlight, the heat index could increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', shows a temperature sensation when both heat and moisture conditions are combined. The individual's impression of temperature can be affected by numerous factors such as metabolic variations, physical exertion, and attire. One should be aware that direct sunshine can amplify the perceived temperature, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it's vital to remain hydrated, particularly during prolonged physical activities.
When temperatures rise, the human body turns to perspiration, using the cooling power of evaporating sweat. In the presence of abundant moisture in the atmosphere, the cooling process through evaporation is hindered, causing the body to feel excessively warm. When the heat gained surpasses the body's cooling capacity, temperatures rise, signaling potential health concerns.

Humidity

In August, the average relative humidity is 73%.

Rainfall

In Morrisville, in August, during 14.3 rainfall days, 3.27" (83mm) of precipitation is typically accumulated. Throughout the year, in Morrisville, there are 148.3 rainfall days, and 32.64" (829mm) of precipitation is accumulated.

Snowfall

In Morrisville, snow does not fall in June through October.

Daylight

The average length of the day in August in Morrisville is 13h and 34min.
On the first day of the month, sunrise is at 6:18 am and sunset at 8:21 pm. On the last day of August, sunrise is at 6:43 am and sunset at 7:43 pm CDT.

Sunshine

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

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for average individuals.
Note: In August, a regular UV index of 6 translates into these guidelines:
Sidestep overexposure. Individuals with fair complexions risk burning in fewer than 20 minutes. Seek shade and limit direct Sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its peak, but be aware that not all shade structures provide complete sun protection. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
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Frequently asked questions

Is it hot in Morrisville during August?

In Morrisville, 87.1°F (30.6°C) is the average high-temperature and 66.7°F (19.3°C) is the average low-temperature during August. The average heat index (a.k.a. 'apparent temperature', 'real feel'), which represents the influence of relative humidity on air temperature, in August is computed to be 98.6°F (37°C).

What is the average humidity in August in Morrisville?

In Morrisville, Missouri, the average relative humidity in August is 73%.

How many days does it rain in August in Morrisville?

In Morrisville, Missouri, in August, during 14.3 rainfall days, 3.27" (83mm) of precipitation is typically accumulated.

When it does not snow in Morrisville?

In Morrisville, snow does not fall in June through October.

How many hours of daylight does Morrisville have in August?

The average day length in August in Morrisville, Missouri, is 13h and 34min.

What time are sunrise and sunset in August in Morrisville?

On the first day of August in Morrisville, sunrise is at 6:18 am and sunset at 8:21 pm. On the last day of the month, sunrise is at 6:43 am and sunset at 7:43 pm CDT.

How many hours of sunshine does Morrisville have in August?

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

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

The months with the highest UV index are June through August, with an average maximum UV index of 6.

How high is the UV index in August in Morrisville?

In Morrisville, the average daily maximum UV index in August is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's 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
Morrisville, MO

Average temperature in August - Morrisville, 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 (41°F).

  • Average low temperature in August: 66.7°F

The month with the highest average low temperature is July (68.7°F).
The coldest month (with the lowest average low temperature) is January (25.5°F).

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Average pressure in August
Morrisville, MO

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

The month with the highest atmospheric pressure is January (30.17"Hg).
The months with the lowest atmospheric pressure are April and June (29.93"Hg).

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Average wind speed in August
Morrisville, MO

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

The windiest month (with the highest average wind speed) is March (10.1mph).
The calmest month (with the lowest average wind speed) is July (6.4mph).

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Average humidity in August
Morrisville, MO

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

The month with the highest relative humidity is May (78%).
The month with the lowest relative humidity is October (72%).

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Average rainfall in August
Morrisville, MO

Average rainfall in August - Morrisville, MO
  • Average rainfall in August: 3.27"

The wettest month (with the highest rainfall) is May (5.28").
The driest months (with the least rainfall) are January and December (1.57").

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Average rainfall days in August
Morrisville, MO

Average rainfall days in August - Morrisville, MO
  • Average rainfall days in August: 14.3 days

The month with the highest number of rainy days is May (17.4 days).
The months with the least rainy days are January and December (6.9 days).

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Average snowfall in August
Morrisville, MO

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

The month with the highest snowfall is February (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
Morrisville, MO

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

The month with the highest number of snowfall days is February (6.1 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
Morrisville, MO

Average daylight in August / Average sunshine in August - Morrisville, 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 2min

The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).

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Average sunshine days in August
Morrisville, MO

Average sunshine days in August - Morrisville, MO
  • Average sunshine days in August: 14.1 days

The month with the most sunshine days is December (20.5 days).
The month with the least sunshine days is May (11.1 days).

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Average UV index in August
Morrisville, MO

Average UV index in August - Morrisville, 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).

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Average cloud cover in August
Morrisville, MO

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

The month with the most cloud cover is March (Cloud cover 47).
The months with the least cloud cover are June, July and August (Cloud cover 27).

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Average visibility in August
Morrisville, MO

Average visibility in August - Morrisville, 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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Morrisville, Missouri, USA

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