August weather forecast
Brownsville, TX

August in Brownsville exhibits all the characteristics of a hot summer month, with an average high temperature soaring up to 93.2°F (34°C). The city witnesses almost 13 hours of daylight, ensuring that the summertime festivities continue in full swing. With a relative humidity of 67%, the lowest in the year, residents get a respite from the previous month's weighty moisture content. The decrease in wind speed aligns with the drop in gust speed. However, the month stands out with the lowest rainfall of 0.75" (19mm), showing a surprising break from the trend set by the summer season.

Temperature

In Brownsville, the highest average temperatures are observed in August, with a high of 93.2°F (34°C) and a low of 80.8°F (27.1°C).

Heat index

August's mean heat index is evaluated at a blazing hot 113°F (45°C). Stay mindful: Heat exhaustion and heat cramps are likely. Heatstroke could follow extended physical effort.
Understanding the heat index involves considering values for shaded locales with light wind. When under direct sunshine, the heat index may be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', binds temperature metrics with humidity values to give a sense of the actual warmth. Metabolic differences, pregnancy status, and the level of physical activity are additional factors influencing an individual's weather perception. Sunshine, when direct, has the potential to intensify weather effects, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Young ones regularly neglect the requirement for rest and fluid replenishment. Thirst is a late stage of dehydration - so, it is necessary to keep hydrated, particularly during extended periods of physical exertion.
When faced with excessive heat, the human body begins to perspire, utilizing the cooling benefits of sweat evaporation. Elevated relative humidity diminishes evaporation, thereby reducing the body's ability to shed heat and creating a feeling of being too warm. Potential thermal conditions emerge as the body's heat gain outpaces its cooling mechanisms.

Humidity

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

Rainfall

In August, the rain falls for 9 days. Throughout August, 0.75" (19mm) of precipitation is accumulated. In Brownsville, during the entire year, the rain falls for 114 days and collects up to 11.22" (285mm) of precipitation.

Daylight

The average length of the day in August is 13h and 1min.
On the first day of the month, sunrise is at 6:56 am and sunset at 8:16 pm. On the last day of August, in Brownsville, sunrise is at 7:10 am and sunset at 7:50 pm CDT.

Sunshine

In Brownsville, the average sunshine in August is 10.1h.

UV index

In August, the average daily maximum UV index is 7. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for the ordinary person.
Note: The daily high UV index of 7 during August translates into the following recommendations:
Ward off overexposure. Defence against solar harm is crucial. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. Boost your sun resistance with garments that are densely woven yet spacious.