August weather forecast
Tomball, TX

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Weather in August

The last month of the summer, August, is another torrid month in Tomball, Texas, with an average temperature fluctuating between 96.1°F (35.6°C) and 76.8°F (24.9°C).

Temperature

Tomball's warmest weather arrives in August, when temperatures average a high of 96.1°F (35.6°C) and a low of 76.8°F (24.9°C).

Heat index

In August, the heat index is calculated to be a blazing hot 123.8°F (51°C). Keep wary: Heat cramps along with heat exhaustion are expected. Heatstroke is a possible outcome of ongoing activity.
From a standpoint of the heat index, values pertain to shaded conditions and mild breezes. Under direct sunshine, the heat index values might be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', combines air temperature and relative humidity to represent a human perceived temperature equivalent. A person's impression of weather can be affected by numerous aspects, among them metabolic variations, pregnancy, and activity levels. Understand that direct sun rays can influence the weather's impact, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Children commonly overlook the importance of rest and fluid replenishment. Thirst, being a delayed sign of dehydration, emphasizes the need to keep hydration up, especially during lengthy physical activities.
In the face of high temperatures, the human body's reflex is to perspire, leveraging sweat evaporation for cooling. In the presence of elevated relative humidity, the evaporation rate decreases. This reduction leads to increased body heat retention compared to conditions of dry air. If heat absorption exceeds the body's cooling ability, body temperature can elevate, resulting in potential thermal illnesses.

Humidity

August is the least humid month, with an average relative humidity of 67%.

Rainfall

In Tomball, in August, it is raining for 16.4 days, with typically 3.35" (85mm) of accumulated precipitation. In Tomball, during the entire year, the rain falls for 175.4 days and collects up to 34.57" (878mm) of precipitation.

Snowfall

In Tomball, snow does not fall in February through November.

Daylight

In August, the average length of the day is 13h and 12min.
On the first day of August, sunrise is at 6:41 am and sunset at 8:15 pm. On the last day of the month, sunrise is at 6:59 am and sunset at 7:45 pm CDT.

Sunshine

With an average of 10.1h of sunshine, August has the most sunshine of the year in Tomball.

UV index

May through August, with an average maximum UV index of 7, are months with the highest UV index in Tomball. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for ordinary individuals.
Note: In August, the maximum UV index of 7 transforms into these recommendations:
Stick with precautions and abide by sun safety procedures. Evading sunburn is essential. The Sun emits the most powerful UV radiation between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What month is the hottest in Tomball?

August tends to be the warmest month in Tomball, Texas, with temperatures averaging a daily high of 96.1°F (35.6°C) and a low of 76.8°F (24.9°C).

How hot is it in Tomball in August?

Tomball in August has an average high-temperature of 96.1°F (35.6°C) and an average low-temperature of 76.8°F (24.9°C). In August, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which represents the influence of relative humidity on air temperature, is calculated to be 123.8°F (51°C).

What is the least humid month in Tomball?

With an average relative humidity of 67%, August is the least humid month.

What is the average humidity in August in Tomball?

In August, the average relative humidity in Tomball is 67%.

How many days does it rain in August in Tomball?

In August, in Tomball, Texas, the rain falls for 16.4 days. Throughout August, 3.35" (85mm) of precipitation is accumulated.

When it does not snow in Tomball?

In Tomball, snow does not fall in February through November.

What is the average length of the day in August in Tomball?

The average day length in August in Tomball is 13h and 12min.

When is the sunrise / sunset in August in Tomball?

In August, on the first day of the month, sunrise is at 6:41 am and sunset at 8:15 pm. On the last day of the month, sunrise is at 6:59 am and sunset at 7:45 pm CDT.

What month has the most sunshine in Tomball?

August has the most sunshine of the year in Tomball, Texas, with an average of 10.1h of sunshine.

How long on average sun shines in August in Tomball?

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

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

May through August, with an average maximum UV index of 7, are months with the highest UV index in Tomball.

How high is the UV index in August in Tomball?

The average daily maximum UV index in August is 7. A UV Index value of 6 to 7 symbolizes a high health vulnerability 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
Tomball, TX

Average temperature in August - Tomball, TX
  • Average high temperature in August: 96.1°F

The warmest month (with the highest average high temperature) is August (96.1°F).
The month with the lowest average high temperature is January (60.4°F).

  • Average low temperature in August: 76.8°F

The month with the highest average low temperature is August (76.8°F).
The coldest month (with the lowest average low temperature) is January (44.2°F).

Average pressure in August
Tomball, TX

Average pressure in August - Tomball, TX
  • Average pressure in August: 29.95"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
Tomball, TX

Average wind speed in August - Tomball, TX
  • Average wind speed in August: 5.8mph

The windiest month (with the highest average wind speed) is April (8mph).
The calmest month (with the lowest average wind speed) is September (5.6mph).

Average humidity in August
Tomball, TX

Average humidity in August - Tomball, TX
  • Average humidity in August: 67%

The month with the highest relative humidity is February (78%).
The month with the lowest relative humidity is August (67%).

Average rainfall in August
Tomball, TX

Average rainfall in August - Tomball, TX
  • Average rainfall in August: 3.35"

The wettest month (with the highest rainfall) is May (4.72").
The driest month (with the least rainfall) is November (1.97").

Average rainfall days in August
Tomball, TX

Average rainfall days in August - Tomball, TX
  • Average rainfall days in August: 16.4 days

The month with the highest number of rainy days is September (18.8 days).
The month with the least rainy days is January (11.7 days).

Average snowfall in August
Tomball, TX

Average snowfall in August - Tomball, TX
  • Average snowfall in August: 0"

The month with the highest snowfall is January (0.12").
The months with the least snowfall are February, March, April, May, June, July, August, September, October and November (0").

Average snowfall days in August
Tomball, TX

Average snowfall days in August - Tomball, TX
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (0.3 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October and November (0 days).

Average daylight in August /
Average sunshine in August
Tomball, TX

Average daylight in August / Average sunshine in August - Tomball, TX
  • Average daylight in August: 13h and 1min

The month with the longest days is June (Average daylight: 14h and 6min).
The month with the shortest days is December (Average daylight: 10h and 12min).

  • Average sunshine in August: 10h and 1min

The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is December (Average sunshine: 4h and 48min).

Average sunshine days in August
Tomball, TX

Average sunshine days in August - Tomball, TX
  • Average sunshine days in August: 11.8 days

The month with the most sunshine days is October (17.1 days).
The month with the least sunshine days is September (9.2 days).

Average UV index in August
Tomball, TX

Average UV index in August - Tomball, TX
  • Average UV index in August: 7

The months with the highest UV index are May, June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 3).

Average cloud cover in August
Tomball, TX

Average cloud cover in August - Tomball, TX
  • Average cloud cover in August: 31

The month with the most cloud cover is February (Cloud cover 53).
The month with the least cloud cover is August (Cloud cover 31).

Average visibility in August
Tomball, TX

Average visibility in August - Tomball, TX
  • Average visibility in August: 6mi

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

Tomball, Texas, USA

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