August weather forecast
Marshall, MO

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Weather in August

August, the last month of the summer in Marshall, is another warm month, with an average temperature ranging between max 84.6°F (29.2°C) and min 65.8°F (18.8°C).

Temperature

The introduction of August sees an average high-temperature of a moderately hot 84.6°F (29.2°C), hardly deviating from July. An average low-temperature of 65.8°F (18.8°C) is recorded during the nights in August in Marshall.

Heat index

The average heat index in August is calculated to be a sweltering 95°F (35°C). More safety actions are required, heat exhaustion and heat cramps are probable. Long-term activity may precipitate heatstroke.
It is worth noting that heat index values are gauged for conditions in the shade and light breezes. Direct sunlight has the potential to heighten heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', unifies temperature and humidity readings to offer a comprehensive feel of warmth. Depending on the activity and the individual's heat perception, which may vary due to factors including wind, clothing, and metabolic variations, this effect remains subjective. One must note that being under the direct sun can escalate the heat's effects, with the heat index possibly rising by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Typically, children face more danger than adults as they usually perspire less. Their larger skin surface relative to their small bodies and increased heat output from their activities enhance their risk.
The human body keeps its cool primarily through perspiration, as this process enables sweat to evaporate, taking away the excess heat. A higher relative humidity affects normal body cooling by reducing the evaporation rate, subsequently lowering the rate at which the body cools and increasing the perception of heat. Temperature imbalances caused by excessive heat retention can trigger heat-related maladies.

Humidity

In August, the average relative humidity is 77%.

Rainfall

In Marshall, in August, it is raining for 13.5 days, with typically 2.64" (67mm) of accumulated precipitation. Throughout the year, there are 135.1 rainfall days, and 26.26" (667mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall.

Daylight

In August, the average length of the day is 13h and 39min.
On the first day of the month, sunrise is at 6:13 am and sunset at 8:24 pm. On the last day of August, sunrise is at 6:41 am and sunset at 7:44 pm CDT.

Sunshine

In August, the average sunshine in Marshall is 10.3h.

UV index

The months with the highest UV index in Marshall are June through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: The UV index of 6 during August translates into the following guidance:
Dodge overexposure. Fair-skinned people can get singed in less than 20 minutes. Avoid direct exposure to the Sun between 10 a.m. and 4 p.m., the peak period for UV radiation, noting that objects like parasols or canopies might not offer complete sun protection. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
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Frequently asked questions

Is it hot in Marshall during August?

Marshall in August has an average high-temperature of 84.6°F (29.2°C) and an average low-temperature of 65.8°F (18.8°C). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which factors the actual air temperature with the relative humidity, in August is calculated to be 95°F (35°C).

What is the average humidity in August in Marshall?

In Marshall, Missouri, the average relative humidity in August is 77%.

How much does it rain in Marshall in August?

In August, the rain falls for 13.5 days. Throughout August, 2.64" (67mm) of precipitation is accumulated.

When it does not snow in Marshall?

June through September are months without snowfall.

How many hours of daylight does Marshall have in August?

In Marshall, the average day length in August is 13h and 39min.

When are sunrise and sunset in August in Marshall?

In August, on the first day of the month, sunrise is at 6:13 am and sunset at 8:24 pm. On the last day of the month, in Marshall, sunrise is at 6:41 am and sunset at 7:44 pm CDT.

How many hours of sunshine does Marshall have in August?

In Marshall, the average sunshine duration in August is 10.3h.

When is the highest UV index in Marshall?

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

What is the UV index intensity in August in Marshall?

In August, the average daily maximum UV index in Marshall, Missouri, is 6. A UV Index estimate of 6 to 7 represents 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
Marshall, MO

Average temperature in August - Marshall, MO
  • Average high temperature in August: 84.6°F

The warmest month (with the highest average high temperature) is July (86°F).
The month with the lowest average high temperature is January (36.3°F).

  • Average low temperature in August: 65.8°F

The month with the highest average low temperature is July (68°F).
The coldest month (with the lowest average low temperature) is January (22.6°F).

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Average pressure in August
Marshall, MO

Average pressure in August - Marshall, MO
  • Average pressure in August: 29.97"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

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Average wind speed in August
Marshall, MO

Average wind speed in August - Marshall, MO
  • Average wind speed in August: 6.3mph

The windiest month (with the highest average wind speed) is March (9.9mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).

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Average humidity in August
Marshall, MO

Average humidity in August - Marshall, MO
  • Average humidity in August: 77%

The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is October (71%).

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Average rainfall in August
Marshall, MO

Average rainfall in August - Marshall, MO
  • Average rainfall in August: 2.64"

The wettest month (with the highest rainfall) is May (3.62").
The driest month (with the least rainfall) is January (0.98").

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Average rainfall days in August
Marshall, MO

Average rainfall days in August - Marshall, MO
  • Average rainfall days in August: 13.5 days

The month with the highest number of rainy days is June (16.1 days).
The month with the least rainy days is January (5.4 days).

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Average snowfall in August
Marshall, MO

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

The month with the highest snowfall is February (3.07").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in August
Marshall, MO

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

The month with the highest number of snowfall days is February (5.1 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
Marshall, MO

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

The months with the most sunshine are June and July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).

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Average sunshine days in August
Marshall, MO

Average sunshine days in August - Marshall, MO
  • Average sunshine days in August: 15.6 days

The month with the most sunshine days is December (21.5 days).
The month with the least sunshine days is June (12.1 days).

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Average UV index in August
Marshall, MO

Average UV index in August - Marshall, 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
Marshall, MO

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

The months with the most cloud cover are January, February and 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
Marshall, MO

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

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