August weather forecast
Harlingen, TX

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Weather in August

August, the last month of the summer in Harlingen, is a torrid month, with an average temperature ranging between max 95°F (35°C) and min 80.1°F (26.7°C).

Temperature

With average temperatures fluctuating between a high of 95°F (35°C) and a low of 80.1°F (26.7°C), August stands out as the warmest month.

Heat index

During August, the heat index is calculated to be a blazing hot 118.4°F (48°C). Watchful: Heat cramps and heat exhaustion are predicted. Continued exertion could lead to heatstroke.
Heat index guidelines indicate values are for light wind scenarios and shaded regions. The presence of direct sunlight can raise the heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is a measure that combines air temperature and relative humidity into a single value that indicates how hot the weather feels. The influence of weather is personal, differing among individuals based on variations in body mass, stature, and the degree of physical exertion. Awareness of direct sun exposure is crucial as it has the potential to heighten the weather's effects, pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Children often miss understanding the importance of rest and rehydration. Thirst usually appears late during dehydration - therefore, maintaining hydration, particularly during long physical activities, is essential.
Perspiration is the human body's physiological response to high temperatures and is an attempt to lower body temperature through evaporation of sweat. In circumstances of high air temperature and humidity (high heat index), the body's perspiration is restricted, heightening the feeling of warmth. When body temperature rises due to excess heat gain beyond its removal capability, one might experience heat-related disorders.

Humidity

With an average relative humidity of 65%, August is the least humid month.

Rainfall

In Harlingen, Texas, during August, the rain falls for 6 days and regularly aggregates up to 0.31" (8mm) of precipitation. In Harlingen, during the entire year, the rain falls for 79.8 days and collects up to 5.24" (133mm) of precipitation.

Snowfall

In Harlingen, snow does not fall in January, March through December.

Daylight

In August, the average length of the day is 13h and 2min.
On the first day of the month, sunrise is at 6:56 am and sunset at 8:17 pm. On the last day of August, sunrise is at 7:10 am and sunset at 7:51 pm CDT.

Sunshine

The average sunshine in August is 10.1h.

UV index

The average daily maximum UV index in August is 7. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for the average person.
Note: In August, the average maximum UV index of 7 translates into the following recommendations:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. Limit your exposure to the sun's UV radiation, which is strongest between 10 a.m. and 4 p.m., and note that parasols or canopies may not provide full sun protection. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
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Frequently asked questions

What is the hottest time of year in Harlingen?

August is the warmest month in Harlingen, with an average high-temperature of 95°F (35°C) and an average low-temperature of 80.1°F (26.7°C).

How hot does it get in Harlingen in August?

The average high-temperature and low-temperature in Harlingen during August are 95°F (35°C) and 80.1°F (26.7°C) respectively. The average heat index (a.k.a. 'apparent temperature', 'real feel'), which calculates the temperature value influenced by the moisture in the air, in August is calculated to be 118.4°F (48°C).

What is the least humid month in Harlingen?

With an average relative humidity of 65%, August is the least humid month.

What is the average humidity in August in Harlingen?

The average relative humidity in August is 65%.

How much does it rain in Harlingen in August?

In August, in Harlingen, the rain falls for 6 days. Throughout August, 0.31" (8mm) of precipitation is accumulated.

When it does not snow in Harlingen?

In Harlingen, Texas, snow does not fall in January, March through December.

How many hours of daylight does Harlingen have in August?

The average day length in August in Harlingen, Texas, is 13h and 2min.

When are sunrise and sunset in August in Harlingen?

In August, on the first day of the month, sunrise is at 6:56 am and sunset at 8:17 pm. On the last day of the month, in Harlingen, sunrise is at 7:10 am and sunset at 7:51 pm CDT.

How many hours of sunshine does Harlingen have in August?

In Harlingen, Texas, the average sunshine duration in August is 10.1h.

What is the UV index intensity in August in Harlingen?

In August, the average daily maximum UV index is 7. A UV Index reading of 6 to 7 represents a high hazard to health from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
Harlingen, TX

Average temperature in August - Harlingen, TX
  • Average high temperature in August: 95°F

The warmest month (with the highest average high temperature) is August (95°F).
The month with the lowest average high temperature is January (68.7°F).

  • Average low temperature in August: 80.1°F

The month with the highest average low temperature is August (80.1°F).
The coldest month (with the lowest average low temperature) is January (55.4°F).

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Average pressure in August
Harlingen, TX

Average pressure in August - Harlingen, TX
  • Average pressure in August: 29.9"Hg

The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).

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Average wind speed in August
Harlingen, TX

Average wind speed in August - Harlingen, TX
  • Average wind speed in August: 10.2mph

The windiest months (with the highest average wind speed) are March and April (12.1mph).
The calmest month (with the lowest average wind speed) is September (8.9mph).

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Average humidity in August
Harlingen, TX

Average humidity in August - Harlingen, TX
  • Average humidity in August: 65%

The month with the highest relative humidity is May (73%).
The month with the lowest relative humidity is August (65%).

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Average rainfall in August
Harlingen, TX

Average rainfall in August - Harlingen, TX
  • Average rainfall in August: 0.31"

The wettest month (with the highest rainfall) is July (0.87").
The driest month (with the least rainfall) is February (0.16").

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Average rainfall days in August
Harlingen, TX

Average rainfall days in August - Harlingen, TX
  • Average rainfall days in August: 6 days

The month with the highest number of rainy days is September (11.5 days).
The month with the least rainy days is February (4.7 days).

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Average snowfall days in August
Harlingen, TX

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

The month with the highest number of snowfall days is February (0.1 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October, November and December (0 days).

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

Average daylight in August / Average sunshine in August - Harlingen, TX
  • Average daylight in August: 13h and 0min

The month with the longest days is June (Average daylight: 13h and 48min).
The month with the shortest days is December (Average daylight: 10h and 30min).

  • Average sunshine in August: 10h and 1min

The month with the most sunshine is July (Average sunshine: 11h and 24min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).

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Average sunshine days in August
Harlingen, TX

Average sunshine days in August - Harlingen, TX
  • Average sunshine days in August: 22.8 days

The month with the most sunshine days is March (23.3 days).
The month with the least sunshine days is September (15.6 days).

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Average UV index in August
Harlingen, TX

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

The month with the highest UV index is July (UV index 8).
The month with the lowest UV index is December (UV index 4).

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Average cloud cover in August
Harlingen, TX

Average cloud cover in August - Harlingen, TX
  • Average cloud cover in August: 18

The month with the most cloud cover is December (Cloud cover 45).
The month with the least cloud cover is August (Cloud cover 18).

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Average visibility in August
Harlingen, TX

Average visibility in August - Harlingen, 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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Harlingen, Texas, USA

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