October weather forecastBrownsville, TX

October
Weather in October
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.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Brownsville, TX
- Average high temperature in October: 84.9°F
The warmest month (with the highest average high temperature) is August (93.2°F).
The month with the lowest average high temperature is January (68.9°F).
- Average low temperature in October: 73.2°F
The month with the highest average low temperature is August (80.8°F).
The coldest month (with the lowest average low temperature) is January (57°F).
Average pressure in October
Brownsville, TX
- Average pressure in October: 29.96"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The months with the lowest atmospheric pressure are May and June (29.88"Hg).
Average wind speed in October
Brownsville, TX
- Average wind speed in October: 10.2mph
The windiest months (with the highest average wind speed) are March and April (12.8mph).
The calmest month (with the lowest average wind speed) is September (9.3mph).
Average humidity in October
Brownsville, TX
- Average humidity in October: 69%
The months with the highest relative humidity are February, May and December (74%).
The month with the lowest relative humidity is August (67%).
Average rainfall in October
Brownsville, TX
- Average rainfall in October: 1.54"
The wettest month (with the highest rainfall) is September (1.81").
The driest months (with the least rainfall) are February and April (0.39").
Average rainfall days in October
Brownsville, TX
- Average rainfall days in October: 10.6 days
The month with the highest number of rainy days is September (14.4 days).
The month with the least rainy days is February (6.9 days).
Average daylight in October /
Average sunshine in October
Brownsville, TX
- Average daylight in October: 11h and 30min
The month with the longest days is June (Average daylight: 13h and 42min).
The month with the shortest days is December (Average daylight: 10h and 36min).
- Average sunshine in October: 7h and 30min
The month with the most sunshine is July (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 4h and 54min).
Average sunshine days in October
Brownsville, TX
- Average sunshine days in October: 18.4 days
The month with the most sunshine days is March (21.1 days).
The month with the least sunshine days is September (12.8 days).
Average UV index in October
Brownsville, TX
- Average UV index in October: 6
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 October
Brownsville, TX
- Average cloud cover in October: 30
The month with the most cloud cover is December (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 21).
Average visibility in October
Brownsville, TX
- Average visibility in October: 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).





