August weather forecast
Bethany, MO

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Weather in August

August provides a continuity of high summer weather conditions in Bethany, Missouri. However, a slight drop in temperature from July is noticeable, although it remains warm. The city receives an average rainfall of 2.44" (62mm) that spans over an estimated 13.5 days in August. Despite the slight decrease in daylight and sunshine hours, August still gives space for long summer evenings and outdoor activities. As August concludes, Bethany residents can expect the onset of slightly cooler weather, establishing the groundwork for September's climate.

Temperature

During August, Bethany observes a subtle ascent to a still warm 82.4°F (28°C) from July's 84.6°F (29.2°C) in the average high-temperature. Throughout August, Bethany anticipates an average low-temperature of 64°F (17.8°C).

Heat index

For August, the heat index is calculated to be a tropical 89.6°F (32°C). Constant exposure and activity lead to possible fatigue. Prolonged exercise may result in heat cramps.
In terms of the heat index, values are set with light wind and shade conditions in mind. When under direct sunshine, the heat index may be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is derived by integrating air temperature with the existing relative humidity to express the perceived warmth. This impact is subjective, influenced by the person's physical activity and individual heat perception, affected by factors including wind, attire, and metabolic differences. Given the impact of direct sunlight, it's noteworthy that the felt temperature can rise by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical 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.

Humidity

In August, the average relative humidity in Bethany, Missouri, is 79%.

Rainfall

In Bethany, Missouri, during August, the rain falls for 13.5 days and regularly aggregates up to 2.44" (62mm) of precipitation. Throughout the year, there are 129.2 rainfall days, and 25.35" (644mm) of precipitation is accumulated.

Snowfall

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

Daylight

In August, the average length of the day is 13h and 43min.
On the first day of the month, sunrise is at 6:14 am and sunset at 8:30 pm. On the last day of August, sunrise is at 6:43 am and sunset at 7:48 pm CDT.

Sunshine

The average sunshine in August in Bethany, Missouri, is 10h.

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 health risk from unprotected exposure to Sun's UV rays for the average person.
Note: A maximum daily UV index of 6 during August morphs into the following directions:
Evade overexposure. Individuals with fair skin risk burning in under 20 minutes. UV radiation from the sun is at its strongest between 10 a.m. and 4 p.m. Try to limit direct exposure during these hours. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot does it get in Bethany in August?

In Bethany, 82.4°F (28°C) is the average high-temperature and 64°F (17.8°C) is the average low-temperature during August. The average heat index (a.k.a. 'real feel', 'felt air temperature'), which combines relative humidity and air temperature, in August is calculated to be 89.6°F (32°C).

What is the average humidity in August in Bethany?

In August, the average relative humidity in Bethany is 79%.

How many days does it rain in August in Bethany?

In Bethany, during August, the rain falls for 13.5 days and regularly aggregates up to 2.44" (62mm) of precipitation.

When it does not snow in Bethany?

June through September are months without snowfall in Bethany.

How many hours of daylight does Bethany have in August?

The average day length in August is 13h and 43min.

What time are sunrise and sunset in August in Bethany?

On the first day of August, sunrise is at 6:14 am and sunset at 8:30 pm. On the last day of the month, sunrise is at 6:43 am and sunset at 7:48 pm CDT.

How many hours of sunshine does Bethany have in August?

In Bethany, the average sunshine duration in August is 10h.

When is the highest UV index in Bethany?

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

What is the UV index intensity in August in Bethany?

In August, the average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes a high hazard to health from 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
Bethany, MO

Average temperature in August - Bethany, MO
  • Average high temperature in August: 82.4°F

The warmest month (with the highest average high temperature) is July (84.6°F).
The month with the lowest average high temperature is January (32.5°F).

  • Average low temperature in August: 64°F

The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (18.7°F).

Average pressure in August
Bethany, MO

Average pressure in August - Bethany, MO
  • Average pressure in August: 29.96"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

Average wind speed in August
Bethany, MO

Average wind speed in August - Bethany, MO
  • Average wind speed in August: 6.4mph

The windiest month (with the highest average wind speed) is March (10mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).

Average humidity in August
Bethany, MO

Average humidity in August - Bethany, MO
  • Average humidity in August: 79%

The month with the highest relative humidity is June (81%).
The month with the lowest relative humidity is October (71%).

Average rainfall in August
Bethany, MO

Average rainfall in August - Bethany, MO
  • Average rainfall in August: 2.44"

The wettest month (with the highest rainfall) is June (3.86").
The driest months (with the least rainfall) are January and February (0.91").

Average rainfall days in August
Bethany, MO

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

The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is January (4.1 days).

Average snowfall in August
Bethany, MO

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

The month with the highest snowfall is January (3.62").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in August
Bethany, MO

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

The month with the highest number of snowfall days is January (8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in August /
Average sunshine in August
Bethany, MO

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

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in August: 10h and 0min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).

Average sunshine days in August
Bethany, MO

Average sunshine days in August - Bethany, MO
  • Average sunshine days in August: 15 days

The month with the most sunshine days is November (21.1 days).
The month with the least sunshine days is May (10.8 days).

Average UV index in August
Bethany, MO

Average UV index in August - Bethany, 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).

Average cloud cover in August
Bethany, MO

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

The months with the most cloud cover are January and March (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 28).

Average visibility in August
Bethany, MO

Average visibility in August - Bethany, 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).

Bethany, Missouri, USA

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