August weather forecast
Cedar Hill, MO

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Weather in August

The last month of the summer, August, is another tropical month in Cedar Hill, Missouri, with an average temperature fluctuating between 86.2°F (30.1°C) and 66.7°F (19.3°C).

Temperature

With the arrival of August, Cedar Hill's average high-temperature registers at a still hot 86.2°F (30.1°C), indicating a subtle variation from the previous month. In Cedar Hill, an average nighttime temperature of 66.7°F (19.3°C) is expected during August.

Heat index

The heat index value for August is evaluated at a very hot 98.6°F (37°C). Incorporate additional safety actions, heat cramps and heat exhaustion are possible. Long-term activity may induce heatstroke.
Heat index's context suggests values are appropriate for shady areas and slight breezes. The heat index has the potential to rise by 15 Fahrenheit (8 Celsius) degrees with direct sunshine exposure.
Note: The heat index, also known as 'apparent temperature' or 'feels like', combines air temperature and relative humidity to represent a human perceived temperature equivalent. A person's impression of weather can be shaped by many aspects, among them metabolic variations, pregnancy, and levels of physical activity. When exposed to direct sunlight, it's possible for the heat index to increase by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Children often overlook the need for breaks and fluid intake. Thirst is a late-stage sign of dehydration - hence, it is necessary to stay hydrated, especially during extended periods of physical activities.
Perspiring is a crucial mechanism for the human body, allowing it to release excessive warmth through evaporating sweat. With a high level of moisture in the air, the evaporation process becomes less efficient, preventing the body from cooling down efficiently and resulting in a sensation of overheating. Potential thermal conditions emerge as the body's heat gain outpaces its cooling mechanisms.

Humidity

The average relative humidity in August is 75%.

Rainfall

In Cedar Hill, Missouri, in August, it is raining for 13.8 days, with typically 2.99" (76mm) of accumulated precipitation. Throughout the year, there are 142.9 rainfall days, and 28.5" (724mm) of precipitation is accumulated.

Snowfall

In Cedar Hill, snow does not fall in April through October.

Daylight

In Cedar Hill, the average length of the day in August is 13h and 37min.
On the first day of the month, sunrise is at 6:05 am and sunset at 8:12 pm. On the last day of August, sunrise is at 6:31 am and sunset at 7:33 pm CDT.

Sunshine

The average sunshine in August in Cedar Hill is 10.2h.

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: An average UV index of 6 in August transforms into this advice:
Stick with precautions and abide by sun safety procedures. Evading sunburn is essential. Stay in the shade and limit direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is particularly strong. Remember, however, that shade structures may not provide complete protection. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
Updated: Jul 28, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is August?

The high-temperature during August is 86.2°F (30.1°C) and the low-temperature is 66.7°F (19.3°C). In August, the average heat index (a.k.a. 'real feel', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, is evaluated at 98.6°F (37°C).

What is the average humidity in August?

The average relative humidity in August is 75%.

How many days does it rain in August in Cedar Hill?

In Cedar Hill, in August, it is raining for 13.8 days, with typically 2.99" (76mm) of accumulated precipitation.

When it does not snow?

In Cedar Hill, Missouri, snow does not fall in April through October.

What is the average length of the day in August?

The average day length in August is 13h and 37min.

What time are sunrise and sunset in August?

In August, on the first day of the month, sunrise is at 6:05 am and sunset at 8:12 pm. On the last day of the month, sunrise is at 6:31 am and sunset at 7:33 pm CDT.

How long on average sun shines in August?

In August, the average sunshine duration is 10.2h.

When is the highest UV index?

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

What is the UV index reading in August?

In August, the average daily maximum UV index in Cedar Hill is 6. A UV Index value of 6 to 7 symbolizes a high health threat 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
Cedar Hill, MO

Average temperature in August - Cedar Hill, MO
  • Average high temperature in August: 86.2°F

The warmest month (with the highest average high temperature) is July (87.8°F).
The month with the lowest average high temperature is January (39°F).

  • Average low temperature in August: 66.7°F

The month with the highest average low temperature is July (68.4°F).
The coldest month (with the lowest average low temperature) is January (25.2°F).

Average pressure in August
Cedar Hill, MO

Average pressure in August - Cedar Hill, 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).

Average wind speed in August
Cedar Hill, MO

Average wind speed in August - Cedar Hill, MO
  • Average wind speed in August: 5.2mph

The windiest month (with the highest average wind speed) is January (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

Average humidity in August
Cedar Hill, MO

Average humidity in August - Cedar Hill, MO
  • Average humidity in August: 75%

The month with the highest relative humidity is May (78%).
The month with the lowest relative humidity is October (72%).

Average rainfall in August
Cedar Hill, MO

Average rainfall in August - Cedar Hill, MO
  • Average rainfall in August: 2.99"

The wettest month (with the highest rainfall) is May (3.46").
The driest month (with the least rainfall) is February (1.5").

Average rainfall days in August
Cedar Hill, MO

Average rainfall days in August - Cedar Hill, MO
  • Average rainfall days in August: 13.8 days

The month with the highest number of rainy days is July (16.5 days).
The month with the least rainy days is January (7 days).

Average snowfall in August
Cedar Hill, MO

Average snowfall in August - Cedar Hill, MO
  • Average snowfall in August: 0"

The month with the highest snowfall is February (2.28").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in August
Cedar Hill, MO

Average snowfall days in August - Cedar Hill, MO
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (7.1 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in August /
Average sunshine in August
Cedar Hill, MO

Average daylight in August / Average sunshine in August - Cedar Hill, 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 July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).

Average sunshine days in August
Cedar Hill, MO

Average sunshine days in August - Cedar Hill, MO
  • Average sunshine days in August: 14.3 days

The month with the most sunshine days is December (19.5 days).
The month with the least sunshine days is July (11.4 days).

Average UV index in August
Cedar Hill, MO

Average UV index in August - Cedar Hill, 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
Cedar Hill, MO

Average cloud cover in August - Cedar Hill, MO
  • Average cloud cover in August: 28

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

Average visibility in August
Cedar Hill, MO

Average visibility in August - Cedar Hill, 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).

Cedar Hill, Missouri, USA

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