August weather forecast
Arrow Rock, MO

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Weather in August

August, the last month of the summer in Arrow Rock, is another warm month, with an average temperature ranging between max 85.5°F (29.7°C) and min 65.8°F (18.8°C).

Temperature

Arrow Rock's average high-temperature in August is a warm 85.5°F (29.7°C), marking an insignificant difference from the 86.5°F (30.3°C) of July. Throughout the month of August, Arrow Rock observes an average nighttime temperature of 65.8°F (18.8°C).

Heat index

The heat index in August is evaluated at a torrid 96.8°F (36°C). Incorporate additional safety actions, heat cramps and heat exhaustion are possible. Long-term activity may induce heatstroke.
In reference to the heat index, it's for places in shade and with a slight wind. Exposure to the direct sun could elevate the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', represents the fusion of temperature and moisture in the air to suggest how warm it feels. The individual's temperature perception can be influenced by numerous factors such as metabolic variations, physical activity, and clothing. 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 extremely vital to babies and toddlers. Children regularly disregard the necessity to rest and replenish fluids. Thirst is a late symptom of dehydration - thus, maintaining hydration, particularly during long-lasting physical activities, is essential.
The physiological response of the human body to excess warmth is to perspire, thereby cooling itself through sweat evaporation. When relative humidity is heightened, it slows the rate of evaporation, thereby decreasing the body's ability to shed heat and creating a sensation of overheating. Rising body temperatures due to excess heat retention could signify impending heat disorders.

Humidity

In August, the average relative humidity in Arrow Rock, Missouri, is 76%.

Rainfall

In Arrow Rock, in August, during 13.4 rainfall days, 2.44" (62mm) of precipitation is typically accumulated. In Arrow Rock, Missouri, during the entire year, the rain falls for 135.7 days and collects up to 28.11" (714mm) of precipitation.

Snowfall

In Arrow Rock, snow does not fall in April, June through September.

Daylight

The average length of the day in August in Arrow Rock, Missouri, is 13h and 39min.
On the first day of August, sunrise is at 6:13 am and sunset at 8:23 pm. On the last day of the month, sunrise is at 6:40 am and sunset at 7:43 pm CDT.

Sunshine

In August, the average sunshine in Arrow Rock is 10.1h.

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for the ordinary person.
Note: The average daily UV index of 6 in August transforms into the following instructions:
Stick with precautions and abide by sun safety procedures. Evading sunburn is essential. 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. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
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Frequently asked questions

How hot is August in Arrow Rock?

August temperatures in Arrow Rock, Missouri, vary between a high-temperature of 85.5°F (29.7°C) and a low-temperature of 65.8°F (18.8°C). The average heat index (a.k.a. 'real feel', 'feels like'), which combines relative humidity and air temperature, in August is evaluated at 96.8°F (36°C).

What is the average humidity in August in Arrow Rock?

The average relative humidity in August in Arrow Rock, Missouri, is 76%.

How many days does it rain in August in Arrow Rock?

In August, in Arrow Rock, the rain falls for 13.4 days. Throughout August, 2.44" (62mm) of precipitation is accumulated.

When it does not snow in Arrow Rock?

In Arrow Rock, Missouri, snow does not fall in April, June through September.

What is the average length of the day in August in Arrow Rock?

In August, the average day length in Arrow Rock, Missouri, is 13h and 39min.

When is the sunrise / sunset in August in Arrow Rock?

In August, on the first day of the month, sunrise is at 6:13 am and sunset at 8:23 pm. On the last day of the month, sunrise is at 6:40 am and sunset at 7:43 pm CDT.

How long on average sun shines in August in Arrow Rock?

In August, the average sunshine duration in Arrow Rock, Missouri, is 10.1h.

What are the months with the highest UV index in Arrow Rock?

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

What is the UV index intensity in August in Arrow Rock?

The average daily maximum UV index in August in Arrow Rock is 6. A UV Index value of 6 to 7 symbolizes a high hazard to health 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
Arrow Rock, MO

Average temperature in August - Arrow Rock, MO
  • Average high temperature in August: 85.5°F

The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (36.9°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 (23.2°F).

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Average pressure in August
Arrow Rock, MO

Average pressure in August - Arrow Rock, 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
Arrow Rock, MO

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

The windiest month (with the highest average wind speed) is March (9.7mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).

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Average humidity in August
Arrow Rock, MO

Average humidity in August - Arrow Rock, MO
  • Average humidity in August: 76%

The months with the highest relative humidity are May and June (78%).
The month with the lowest relative humidity is October (71%).

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Average rainfall in August
Arrow Rock, MO

Average rainfall in August - Arrow Rock, MO
  • Average rainfall in August: 2.44"

The wettest month (with the highest rainfall) is May (3.98").
The driest month (with the least rainfall) is January (1.18").

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Average rainfall days in August
Arrow Rock, MO

Average rainfall days in August - Arrow Rock, MO
  • Average rainfall days in August: 13.4 days

The month with the highest number of rainy days is May (16.7 days).
The month with the least rainy days is January (5.6 days).

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Average snowfall in August
Arrow Rock, MO

Average snowfall in August - Arrow Rock, MO
  • Average snowfall in August: 0"

The month with the highest snowfall is February (2.95").
The months with the least snowfall are April, June, July, August and September (0").

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Average snowfall days in August
Arrow Rock, MO

Average snowfall days in August - Arrow Rock, MO
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is February (5.7 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
Arrow Rock, MO

Average daylight in August / Average sunshine in August - Arrow Rock, 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 1min

The months with the most sunshine are June and July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 48min).

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Average sunshine days in August
Arrow Rock, MO

Average sunshine days in August - Arrow Rock, MO
  • Average sunshine days in August: 14.8 days

The months with the most sunshine days are January and December (20 days).
The month with the least sunshine days is May (12.3 days).

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Average UV index in August
Arrow Rock, MO

Average UV index in August - Arrow Rock, 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
Arrow Rock, MO

Average cloud cover in August - Arrow Rock, MO
  • Average cloud cover in August: 28

The months with the most cloud cover are January, February and March (Cloud cover 48).
The months with the least cloud cover are June, July and August (Cloud cover 28).

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Average visibility in August
Arrow Rock, MO

Average visibility in August - Arrow Rock, 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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Arrow Rock, Missouri, USA

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