August weather forecast
Russellville, MO

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Weather in August

August, the last month of the summer in Russellville, is also a hot month, with temperature in the range of an average high of 86.5°F (30.3°C) and an average low of 65.7°F (18.7°C).

Temperature

August commences with an average high-temperature of a still tropical 86.5°F (30.3°C), showing little deviation from July's 88.5°F (31.4°C). An average temperature of 65.7°F (18.7°C) marks the nights in August.

Heat index

The heat index value for August is calculated to be a torrid 98.6°F (37°C). Ensure heightened precautions, risk of heat cramps and heat exhaustion is significant. Sustained activity could provoke heatstroke.
Realize that the values for the heat index are set for shaded places and light winds. Direct sunlight has the potential to heighten heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', reflects the feeling of heat when considering both air temperature and humidity. The effect is personal, with varied weather perceptions among individuals due to differences in body mass, stature, and physical activity. Keep it in mind, direct sunlight can augment the heat you experience, possibly pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Children frequently underestimate the necessity to rest and hydrate. Thirst is a late sign of dehydration - thus, it is vital to stay hydrated, particularly during lengthy physical exercises.
The physiological response of the human body to excess warmth is to perspire, thereby cooling itself through sweat evaporation. When there is an excess of moisture in the atmosphere, the efficiency of the evaporation process is lessened, leading to less efficient body cooling and a sensation of overheating. Overheating and dehydration threats arise when heat gain goes beyond what the body can comfortably shed.

Humidity

The average relative humidity in August is 74%.

Rainfall

In Russellville, in August, it is raining for 13.8 days, with typically 2.8" (71mm) of accumulated precipitation. Throughout the year, there are 142 rainfall days, and 32.13" (816mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall.

Daylight

In August, the average length of the day in Russellville is 13h and 37min.
On the first day of August, sunrise is at 6:12 am and sunset at 8:19 pm. On the last day of the month, sunrise is at 6:38 am and sunset at 7:40 pm CDT.

Sunshine

In Russellville, the average sunshine in August is 10.1h.

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index in Russellville, Missouri. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for ordinary individuals.
Note: A maximum UV index of 6 in August translates into the following recommendations:
Take precautions against overexposure. Protection against sun damage is needed. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
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Frequently asked questions

How hot does it get in Russellville in August?

In Russellville, in August, the average high-temperature is 86.5°F (30.3°C), and the average low-temperature is 65.7°F (18.7°C). In August, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which factors the actual air temperature with the relative humidity, is calculated to be 98.6°F (37°C).

What is the average humidity in August in Russellville?

The average relative humidity in August is 74%.

How much does it rain in Russellville in August?

In Russellville, Missouri, in August, it is raining for 13.8 days, with typically 2.8" (71mm) of accumulated precipitation.

When it does not snow in Russellville?

In Russellville, snow does not fall in June through September.

How many hours of daylight does Russellville have in August?

In Russellville, the average day length in August is 13h and 37min.

When are sunrise and sunset in August in Russellville?

In August, on the first day of the month, sunrise is at 6:12 am and sunset at 8:19 pm. On the last day of the month, in Russellville, Missouri, sunrise is at 6:38 am and sunset at 7:40 pm CDT.

How long on average sun shines in August in Russellville?

The average sunshine duration in August in Russellville is 10.1h.

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

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

How high is the UV index in August in Russellville?

The average daily maximum UV index in August in Russellville, Missouri, is 6. A UV Index estimate of 6 to 7 represents a high health risk 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
Russellville, MO

Average temperature in August - Russellville, MO
  • Average high temperature in August: 86.5°F

The warmest month (with the highest average high temperature) is July (88.5°F).
The month with the lowest average high temperature is January (38.7°F).

  • Average low temperature in August: 65.7°F

The month with the highest average low temperature is July (68.2°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).

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Average pressure in August
Russellville, MO

Average pressure in August - Russellville, 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 (29.92"Hg).

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Average wind speed in August
Russellville, MO

Average wind speed in August - Russellville, MO
  • Average wind speed in August: 6.2mph

The windiest months (with the highest average wind speed) are January and March (9.2mph).
The calmest month (with the lowest average wind speed) is July (6.1mph).

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Average humidity in August
Russellville, MO

Average humidity in August - Russellville, MO
  • Average humidity in August: 74%

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
Russellville, MO

Average rainfall in August - Russellville, MO
  • Average rainfall in August: 2.8"

The wettest month (with the highest rainfall) is May (4.41").
The driest month (with the least rainfall) is January (1.46").

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Average rainfall days in August
Russellville, MO

Average rainfall days in August - Russellville, MO
  • Average rainfall days in August: 13.8 days

The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is December (6.6 days).

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Average snowfall in August
Russellville, MO

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

The month with the highest snowfall is February (3.86").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in August
Russellville, MO

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

The month with the highest number of snowfall days is February (7.2 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
Russellville, MO

Average daylight in August / Average sunshine in August - Russellville, MO
  • Average daylight in August: 13h and 4min

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in August: 10h and 1min

The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

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Average sunshine days in August
Russellville, MO

Average sunshine days in August - Russellville, MO
  • Average sunshine days in August: 15.2 days

The month with the most sunshine days is December (19.7 days).
The month with the least sunshine days is May (11.2 days).

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Average UV index in August
Russellville, MO

Average UV index in August - Russellville, 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
Russellville, MO

Average cloud cover in August - Russellville, MO
  • Average cloud cover in August: 29

The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 29).

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Average visibility in August
Russellville, MO

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

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