August weather forecast
Alpine, TX

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The vast city of Alpine, Texas, with a view of the iconic Sul Ross State University in Brewster County
The vast city of Alpine, Texas, with a view of the iconic Sul Ross State University in Brewster County

Weather in August

The weather in August does not offer many dramatic changes from July. The temperature remains quite warm, as expected during the end of summer. Notably, the wind speed decrease is consistent with the receding summer months. However, rainfall takes a slight downfall from 1.65" (42mm) to 1.5" (38mm), but the humidity levels remain stagnant. Despite the high temperature, the city of Alpine experiences modest amounts of cloud cover, ensuring enjoyable summer days.

Temperature

Alpine records an average high-temperature of a still hot 88°F (31.1°C) as August arrives, nearly mirroring the previous month's climate. Alpine's temperature lowers to a mean of 69.4°F (20.8°C) during the nights in August.

Heat index

Throughout August, the heat index is computed to be a hot 89.6°F (32°C). Constant activity during exposure could result in a state of weariness and possibly heat cramps.
When considering the heat index, it's pivotal to note it is for shade and mild wind conditions. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', reflects the feeling of heat when considering both air temperature and humidity. This effect is personal, shaped by the individual's physical activity and heat sensitivity, influenced by factors including wind, clothing, and metabolic variances. Consider the fact that direct sun exposure can influence how hot one feels, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Typically, children face more danger than adults as they usually perspire less. Their larger skin surface relative to their small bodies and increased heat output from their activities enhance their risk.

Humidity

The average relative humidity in August is 46%.

Rainfall

In August, in Alpine, Texas, the rain falls for 12.4 days. Throughout August, 1.5" (38mm) of precipitation is accumulated. Throughout the year, in Alpine, there are 87.6 rainfall days, and 10.83" (275mm) of precipitation is accumulated.

Snowfall

In Alpine, snow does not fall in April through September.

Daylight

The average length of the day in August in Alpine is 13h and 13min.
On the first day of August, sunrise is at 7:13 am and sunset at 8:48 pm. On the last day of the month, sunrise is at 7:31 am and sunset at 8:18 pm CDT.

Sunshine

The average sunshine in August is 9.8h.

UV index

In August, the average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: An average maximum UV index of 6 in August leads to these recommendations:
Undertake precautions and comply with sun safety standards. Protection from skin and eye injury is vital. Seek shade and limit direct Sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its peak, but be aware that not all shade structures provide complete sun protection. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
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Frequently asked questions

How hot does it get in Alpine in August?

August temperatures in Alpine vary between a high-temperature of 88°F (31.1°C) and a low-temperature of 69.4°F (20.8°C). In August, the average heat index (a.k.a. 'feels like', 'real feel'), which represents the influence of relative humidity on air temperature, is computed to be 89.6°F (32°C).

What is the average humidity in August in Alpine?

In August, the average relative humidity in Alpine, Texas, is 46%.

How many days does it rain in August in Alpine?

In Alpine, Texas, in August, it is raining for 12.4 days, with typically 1.5" (38mm) of accumulated precipitation.

When it does not snow in Alpine?

April through September are months without snowfall in Alpine.

How many hours of daylight does Alpine have in August?

The average day length in August in Alpine, Texas, is 13h and 13min.

What time are sunrise and sunset in August in Alpine?

In August, on the first day of the month, sunrise is at 7:13 am and sunset at 8:48 pm. On the last day of the month, in Alpine, Texas, sunrise is at 7:31 am and sunset at 8:18 pm CDT.

How many hours of sunshine does Alpine have in August?

In Alpine, the average sunshine duration in August is 9.8h.

What is the UV index reading in August in Alpine?

In August, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high health threat 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
Alpine, TX

Average temperature in August - Alpine, TX
  • Average high temperature in August: 88°F

The warmest month (with the highest average high temperature) is June (90°F).
The month with the lowest average high temperature is January (56.8°F).

  • Average low temperature in August: 69.4°F

The months with the highest average low temperature are July and August (69.4°F).
The coldest month (with the lowest average low temperature) is January (37.4°F).

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Average pressure in August
Alpine, TX

Average pressure in August - Alpine, TX
  • Average pressure in August: 29.91"Hg

The month with the highest atmospheric pressure is January (30.12"Hg).
The months with the lowest atmospheric pressure are May and June (29.84"Hg).

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Average wind speed in August
Alpine, TX

Average wind speed in August - Alpine, TX
  • Average wind speed in August: 7.8mph

The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest month (with the lowest average wind speed) is September (7.6mph).

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Average humidity in August
Alpine, TX

Average humidity in August - Alpine, TX
  • Average humidity in August: 46%

The month with the highest relative humidity is September (56%).
The month with the lowest relative humidity is April (29%).

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Average rainfall in August
Alpine, TX

Average rainfall in August - Alpine, TX
  • Average rainfall in August: 1.5"

The wettest month (with the highest rainfall) is September (2.01").
The driest month (with the least rainfall) is February (0.2").

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Average rainfall days in August
Alpine, TX

Average rainfall days in August - Alpine, TX
  • Average rainfall days in August: 12.4 days

The month with the highest number of rainy days is July (15.1 days).
The month with the least rainy days is February (2.2 days).

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Average snowfall in August
Alpine, TX

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

The month with the highest snowfall is January (0.67").
The months with the least snowfall are April, May, June, July, August and September (0").

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Average snowfall days in August
Alpine, TX

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

The month with the highest number of snowfall days is December (1.6 days).
The months with the least snowfall days are April, May, June, July, August and September (0 days).

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

Average daylight in August / Average sunshine in August - Alpine, 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: 9h and 5min

The month with the most sunshine is June (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 7h and 42min).

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Average sunshine days in August
Alpine, TX

Average sunshine days in August - Alpine, TX
  • Average sunshine days in August: 13 days

The month with the most sunshine days is January (26.8 days).
The month with the least sunshine days is July (11.7 days).

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Average UV index in August
Alpine, TX

Average UV index in August - Alpine, TX
  • Average UV index in August: 6

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

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Average cloud cover in August
Alpine, TX

Average cloud cover in August - Alpine, TX
  • Average cloud cover in August: 15

The month with the most cloud cover is September (Cloud cover 22).
The month with the least cloud cover is June (Cloud cover 12).

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Average visibility in August
Alpine, TX

Average visibility in August - Alpine, TX
  • 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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Alpine, Texas, USA

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