August weather forecast
Merriam Woods, MO

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Weather in August

The last month of the summer, August, is another hot month in Merriam Woods, Missouri, with an average temperature varying between 66.2°F (19°C) and 88.9°F (31.6°C).

Temperature

Merriam Woods notes an average high-temperature of a still tropical 88.9°F (31.6°C) in August, displaying minor variation from July. Merriam Woods records a marked divergence from the day's high temperatures, with nights in August averaging at a comfortable 66.2°F (19°C).

Heat index

The heat index for August is appraised at a blistering 104°F (40°C). Take additional safety steps, risk of heat exhaustion and heat cramps is notable. Prolonged activity may cause heatstroke.
It is important to note that the heat index values are for shaded areas and light wind scenarios. Exposing to direct sunshine may enhance heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is an amalgamation of air temperature and humidity to express the equivalent perceived temperature. One's perception of weather can be shaped by other factors, involving metabolic differences, pregnancy, and physical exertion. Sunshine, when direct, has the potential to intensify weather effects, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Young ones often disregard the necessity to rest and hydrate. Thirst usually indicates advanced dehydration - hence, it is key to stay hydrated, particularly during ongoing physical activities.
The innate cooling system of the human body revolves around perspiration, with the evaporation of sweat being central to this process. Under high air temperature coupled with high humidity (high heat index), the body's perspiration is reduced, intensifying the sensation of heat. Excessive heat gain, when not shed effectively by the body, can result in increasing body temperatures and related hazards.

Humidity

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

Rainfall

In Merriam Woods, in August, during 15.4 rainfall days, 2.91" (74mm) of precipitation is typically accumulated. In Merriam Woods, Missouri, during the entire year, the rain falls for 142.8 days and collects up to 30.47" (774mm) of precipitation.

Snowfall

In Merriam Woods, Missouri, snow does not fall in May through October.

Daylight

In August, the average length of the day in Merriam Woods is 13h and 31min.
On the first day of August in Merriam Woods, sunrise is at 6:19 am and sunset at 8:18 pm. On the last day of the month, sunrise is at 6:43 am and sunset at 7:41 pm CDT.

Sunshine

In Merriam Woods, Missouri, the average sunshine in August is 10.4h.

UV index

The months with the highest UV index in Merriam Woods, Missouri, 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 unprotected exposure to Sun's UV rays for the ordinary person.
Note: The UV index of 6 during August leads to these advisories:
Act on precautions and pay attention to sun safety recommendations. Avoidance of sunburn is obligatory. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
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Frequently asked questions

How hot is it in Merriam Woods in August?

In Merriam Woods, in August, the average high-temperature is 88.9°F (31.6°C), and the average low-temperature is 66.2°F (19°C). In August, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, is appraised at 104°F (40°C).

What are the least humid months in Merriam Woods?

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

What is the average humidity in August in Merriam Woods?

In Merriam Woods, the average relative humidity in August is 73%.

How many days does it rain in August in Merriam Woods?

In Merriam Woods, Missouri, in August, it is raining for 15.4 days, with typically 2.91" (74mm) of accumulated precipitation.

When it does not snow in Merriam Woods?

In Merriam Woods, snow does not fall in May through October.

How many hours of daylight does Merriam Woods have in August?

In Merriam Woods, Missouri, the average day length in August is 13h and 31min.

What time are sunrise and sunset in August in Merriam Woods?

On the first day of August, sunrise is at 6:19 am and sunset at 8:18 pm. On the last day of the month, sunrise is at 6:43 am and sunset at 7:41 pm CDT.

How long on average sun shines in August in Merriam Woods?

In August, the average sunshine duration is 10.4h.

What are the months with the highest UV index in Merriam Woods?

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

What is the UV index intensity in August in Merriam Woods?

In August, the average daily maximum UV index in Merriam Woods is 6. A UV Index 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
Merriam Woods, MO

Average temperature in August - Merriam Woods, MO
  • Average high temperature in August: 88.9°F

The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is January (44.1°F).

  • Average low temperature in August: 66.2°F

The month with the highest average low temperature is July (68°F).
The coldest month (with the lowest average low temperature) is January (27.9°F).

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Average pressure in August
Merriam Woods, MO

Average pressure in August - Merriam Woods, 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
Merriam Woods, MO

Average wind speed in August - Merriam Woods, MO
  • Average wind speed in August: 4.9mph

The windiest months (with the highest average wind speed) are January, February, March and April (7.8mph).
The calmest months (with the lowest average wind speed) are July and August (4.9mph).

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Average humidity in August
Merriam Woods, MO

Average humidity in August - Merriam Woods, MO
  • Average humidity in August: 73%

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

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Average rainfall in August
Merriam Woods, MO

Average rainfall in August - Merriam Woods, MO
  • Average rainfall in August: 2.91"

The wettest month (with the highest rainfall) is May (4.41").
The driest month (with the least rainfall) is February (1.42").

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Average rainfall days in August
Merriam Woods, MO

Average rainfall days in August - Merriam Woods, MO
  • Average rainfall days in August: 15.4 days

The month with the highest number of rainy days is July (16.8 days).
The month with the least rainy days is January (7.2 days).

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Average snowfall in August
Merriam Woods, MO

Average snowfall in August - Merriam Woods, MO
  • Average snowfall in August: 0"

The month with the highest snowfall is February (1.46").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in August
Merriam Woods, MO

Average snowfall days in August - Merriam Woods, MO
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is February (3.4 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in August /
Average sunshine in August
Merriam Woods, MO

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

The month with the longest days is June (Average daylight: 14h and 36min).
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 42min).
The months with the least sunshine are January and February (Average sunshine: 5h and 24min).

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Average sunshine days in August
Merriam Woods, MO

Average sunshine days in August - Merriam Woods, MO
  • Average sunshine days in August: 13.6 days

The month with the most sunshine days is December (21.5 days).
The month with the least sunshine days is July (12.2 days).

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Average UV index in August
Merriam Woods, MO

Average UV index in August - Merriam Woods, 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
Merriam Woods, MO

Average cloud cover in August - Merriam Woods, MO
  • Average cloud cover in August: 28

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 28).

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Average visibility in August
Merriam Woods, MO

Average visibility in August - Merriam Woods, MO
  • Average visibility in August: 6mi

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

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Merriam Woods, Missouri, USA

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