October weather forecast
Brownsville, TX

October in Brownsville kicks off the fall season, observing the decline of the usual summer characteristics. A noticeable drop in temperature instigates crisp mornings and mild afternoons. The pressure starts rising, creating a tangible shift in the atmosphere. October weather brings a harmonious balance between sun and rain, with rainfall quantifying to 1.54" (39mm). Steadily falling daylight hours herald the approach of the year's dimmest days, encapsulating the true essence of the fall season.

Temperature

At the start of October, Brownsville's average high-temperature reaches a warm 84.9°F (29.4°C), subtly different from the preceding month. During the nights in October, an average low-temperature of 73.2°F (22.9°C) is observed.

Heat index

The heat index value during October is evaluated at a tropical 91.4°F (33°C). Special measures are necessary to avoid heat cramps and heat exhaustion. Persistent activity could result in heatstroke.
Remember that heat index calculations are made for conditions in the shade with light wind. A rise in the heat index by 15 Fahrenheit (8 Celsius) degrees may result from direct sunlight exposure.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', takes into account both air temperature and humidity to illustrate what people actually feel. Elements of metabolic variation, physical activity, and clothing contribute to the effect of temperature on an individual. It is essential to realize that direct sunlight can escalate the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. In general, younger individuals are at greater risk than adults because they tend to sweat less. Also, having a larger skin surface to body size ratio and greater heat production due to their active behavior contribute to this danger.

Humidity

In Brownsville, the average relative humidity in October is 69%.

Rainfall

In Brownsville, during October, the rain falls for 10.6 days and regularly aggregates up to 1.54" (39mm) of precipitation. 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 October in Brownsville is 11h and 32min.
On the first day of the month, sunrise is at 7:22 am and sunset at 7:16 pm. On the last day of October, sunrise is at 7:38 am and sunset at 6:48 pm CDT.

Sunshine

In October, the average sunshine is 7.5h.

UV index

In October, the average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In October, the maximum UV index of 6 transforms into these recommendations:
Adhere to precautions and respect sun safety doctrines. Avoiding sunburn 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. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.