August weather forecast
Houston, MO

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Weather in August

August, the last month of the summer in Houston, is another tropical month, with an average temperature fluctuating between 86.5°F (30.3°C) and 65.8°F (18.8°C).

Temperature

August's onset records an average high-temperature of a still tropical 86.5°F (30.3°C), a near match to July's 88.9°F (31.6°C). Houston in August experiences a low-temperature average of 65.8°F (18.8°C).

Heat index

During August, the heat index is computed to be a sweltering 98.6°F (37°C). Ensure extra safety measures, heat exhaustion and heat cramps are likely. Continuous activity might result in heatstroke.
In the scope of the heat index, its values resonate with shade and light wind conditions. Heat index values can rise by 15 Fahrenheit (8 Celsius) degrees when in direct sunlight.
Note: The heat index, also known as 'feels like' or 'felt air temperature', stands as a testimony to how temperature and humidity combine to impact our sense of warmth. One's perception of weather can be shaped by other factors, involving metabolic differences, pregnancy, and physical exertion. In direct sunlight, the heat's impact can be heightened, potentially leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Youngsters frequently overlook the need for breaks and fluid intake. Thirst is an advanced sign of dehydration - thereby highlighting the importance of keeping hydrated, particularly during long physical activities.
Through perspiration, the body has a natural mechanism to eliminate excessive heat via sweat evaporation. With a lot of moisture in the air, the evaporation process is not as effective, and the body does not cool down as efficiently, creating a perception of overheating. The body faces dehydration threats when its cooling efforts are outpaced by excessive heat gain.

Humidity

In Houston, the average relative humidity in August is 74%.

Rainfall

In Houston, during August, the rain falls for 13.1 days and regularly aggregates up to 1.1" (28mm) of precipitation. In Houston, Missouri, during the entire year, the rain falls for 112.2 days and collects up to 11.26" (286mm) of precipitation.

Snowfall

In Houston, snow does not fall in May through October.

Daylight

The average length of the day in August in Houston, Missouri, is 13h and 33min.
On the first day of August, sunrise is at 6:13 am and sunset at 8:15 pm. On the last day of the month, sunrise is at 6:38 am and sunset at 7:37 pm CDT.

Sunshine

The average sunshine in August is 10.2h.

UV index

The months with the highest UV index in Houston are May through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for ordinary individuals.
Note: In August, a daily maximum UV index of 6 leads to the following instructions:
Evade overexposure. Individuals with fair skin risk burning in under 20 minutes. Stay out of direct sunlight between 10 a.m. and 4 p.m., when UV radiation is most intense, and remember that not all shade structures provide complete protection. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is it in Houston in August?

In Houston, in August, the average high-temperature is 86.5°F (30.3°C), and the average low-temperature is 65.8°F (18.8°C). In August, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which represents the influence of relative humidity on air temperature, is computed to be 98.6°F (37°C).

What is the average humidity in August in Houston?

The average relative humidity in August in Houston, Missouri, is 74%.

How much does it rain in Houston in August?

In Houston, in August, it is raining for 13.1 days, with typically 1.1" (28mm) of accumulated precipitation.

When it does not snow in Houston?

May through October are months without snowfall in Houston, Missouri.

How many hours of daylight does Houston have in August?

In August, the average day length in Houston, Missouri, is 13h and 33min.

When is the sunrise / sunset in August in Houston?

In August, on the first day of the month, sunrise is at 6:13 am and sunset at 8:15 pm. On the last day of the month, in Houston, sunrise is at 6:38 am and sunset at 7:37 pm CDT.

How long on average sun shines in August in Houston?

In Houston, the average sunshine duration in August is 10.2h.

When is the highest UV index in Houston?

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

How high is the UV index in August in Houston?

In Houston, the average daily maximum UV index in August 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
Houston, MO

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

The warmest month (with the highest average high temperature) is July (88.9°F).
The month with the lowest average high temperature is January (40.6°F).

  • Average low temperature in August: 65.8°F

The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (25.7°F).

Average pressure in August
Houston, MO

Average pressure in August - Houston, MO
  • Average pressure in August: 29.98"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in August
Houston, MO

Average wind speed in August - Houston, MO
  • Average wind speed in August: 5.3mph

The windiest month (with the highest average wind speed) is January (8.5mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).

Average humidity in August
Houston, MO

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

The month with the highest relative humidity is March (79%).
The month with the lowest relative humidity is October (73%).

Average rainfall in August
Houston, MO

Average rainfall in August - Houston, MO
  • Average rainfall in August: 1.1"

The wettest month (with the highest rainfall) is July (1.54").
The driest month (with the least rainfall) is September (0.51").

Average rainfall days in August
Houston, MO

Average rainfall days in August - Houston, MO
  • Average rainfall days in August: 13.1 days

The month with the highest number of rainy days is July (13.4 days).
The month with the least rainy days is December (5.2 days).

Average snowfall in August
Houston, MO

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

The month with the highest snowfall is February (0.83").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in August
Houston, MO

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

The month with the highest number of snowfall days is February (4.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

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

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • 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 48min).

Average sunshine days in August
Houston, MO

Average sunshine days in August - Houston, MO
  • Average sunshine days in August: 15.1 days

The month with the most sunshine days is December (23.8 days).
The month with the least sunshine days is July (13.9 days).

Average UV index in August
Houston, MO

Average UV index in August - Houston, MO
  • Average UV index in August: 6

The months with the highest UV index are May, 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
Houston, MO

Average cloud cover in August - Houston, MO
  • Average cloud cover in August: 31

The month with the most cloud cover is March (Cloud cover 50).
The months with the least cloud cover are June, July and August (Cloud cover 31).

Average visibility in August
Houston, MO

Average visibility in August - Houston, MO
  • Average visibility in August: 5mi

The months with the highest visibility are January, February, March, April, June, October, November and December (6mi).
The months with the lowest visibility are May, July, August and September (5mi).

Houston, Missouri, USA

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