August weather forecastHarlingen, TX
August
Weather in August
The last month of the summer, August, is a torrid month in Harlingen, Texas, with an average temperature varying between 95°F (35°C) and 80.1°F (26.7°C).Temperature
Harlingen records the warmest temperatures in August, averaging a high of 95°F (35°C) and a low of 80.1°F (26.7°C).Heat index
The heat index value during August is estimated at a burning hot 118.4°F (48°C). Careful: Heat exhaustion and heat cramps are anticipated. With ongoing exertion, heatstroke becomes a possibility.One should be cognizant that the heat index values are tailored for shaded spots and mild winds. The heat index may experience an enhancement of 15 Fahrenheit (8 Celsius) degrees under direct sunlight.
Note: The heat index, also known as 'feels like' or 'apparent temperature', marries air temperature and humidity to produce a value illustrating perceived warmth. Additional elements encompassing metabolic differences, the degree of physical activity, and attire can impact the individual's perception of temperature. Keep aware, the sun, when shining directly, can intensify the heat experience, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Young ones are generally more prone to risk than adults due to their reduced ability to sweat. Their large skin surface area relative to their diminutive bodies and elevated heat production from their activities further enhance this risk.
The human body has a built-in cooling mechanism through perspiration; evaporating sweat dissipates the excess heat. With excessive moisture in the atmosphere, the effectiveness of the evaporation process is decreased, causing the body to cool down less efficiently, leading to a sensation of overheating. Inadequate heat shedding in the face of rising body temperatures hints at potential dehydration risks.
Humidity
The least humid month is August, with an average relative humidity of 65%.Rainfall
In August, the rain falls for 6 days. Throughout August, 0.31" (8mm) of precipitation is accumulated. 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 Harlingen, the average length of the day in August is 13h and 2min.On the first day of August, sunrise is at 6:56 am and sunset at 8:17 pm. On the last day of the month, sunrise is at 7:10 am and sunset at 7:51 pm CDT.
Sunshine
In Harlingen, the average sunshine in August is 10.1h.UV index
In Harlingen, the average daily maximum UV index in August is 7. A UV Index reading of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: The average daily UV index of 7 in August transforms into the following instructions:
Undertake protective measures and comply with sun safety rules. Shielding against skin and eye damage is essential. UV radiation from the sun is at its strongest between 10 a.m. and 4 p.m. Try to limit direct exposure during these hours. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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).
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).
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).
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%).
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").
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).
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).
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 6min
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).
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).
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).
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).
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).
