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October Weather in Brownsville, United States

Last updated: June 24, 2025

In October, the average temperature in Brownsville, United States hovers around 12°C (54°F). During this month, you may experience temperatures as low as -4°C (25°F) and rise up to a pleasant 27°C (81°F). Expect 88 mm (3.5 in) of precipitation over approximately 10 days, with an average humidity of 81%. Prepare for a mix of cool conditions and occasional rain!

October Temperature in Brownsville

In October in Brownsville, the average temperature is 12°C (54°F). The maximum can reach 27°C (81°F), while the minimum can be as low as -4°C (25°F). Travelers should be prepared for a range of temperatures, so it's advisable to pack layers to enjoy all that Brownsville has to offer.

October Weather in Brownsville: Daily Temperature Highs, Lows, and Averages

The chart illustrates October temperature patterns in Brownsville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Brownsville, October typically has an average temperature of 12°C (54°F), with highs reaching up to 27°C (81°F) and lows dropping to around -4°C (25°F).
JanFebMarAprMayJunJulAugSepOctNovDec424146515764707064534641
Data source: Temperature data for Brownsville generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

October Precipitation in Brownsville

In Brownsville in October, the precipitation amount is 88 mm (3.5 in) spread over a duration of 10 days.

October Precipitation Trends in Brownsville

The chart displays monthly precipitation patterns in Brownsville, with values for each month alongside October’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how October’s conditions compare to those of other months. In Brownsville, October typically receives around 88 mm (3.5 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec1441811251135738256288130182
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Brownsville

In Brownsville in October humidity is 81%. With an average temperature of 12°C (54°F), this humidity feels like a damp blanket enveloping you, making travel sluggish and uncomfortable as you battle the stickiness while trying to enjoy your surroundings.

October Average Humidity in Brownsville

This chart illustrates the average monthly humidity levels in Brownsville, with October’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In October, average humidity in Brownsville is approximately 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%84%85%83%83%84%82%74%71%81%87%87%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Brownsville

In Brownsville in October, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Brownsville.

Maximum UV Index Levels in Brownsville for October

The chart shows the monthly maximum UV Index (UVI) for Brownsville in October, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In October, the maximum UV index in Brownsville typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec246710101098532
Data source: Brownsville October UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How October Weather in Brownsville Compares to Other Months

Weather in Brownsville varies notably across the year, with each month offering distinct climate conditions. This page compares October’s weather to other months in Brownsville, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Brownsville, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather6°C (42°F)144 mm (5.7 inches)85%low
February Weather5°C (42°F)181 mm (7.1 inches)84%moderate
March Weather8°C (46°F)125 mm (4.9 inches)85%high
April Weather10°C (51°F)113 mm (4.4 inches)83%high
May Weather14°C (57°F)57 mm (2.3 inches)83%very high
June Weather18°C (64°F)38 mm (1.5 inches)83%very high
July Weather21°C (70°F)2 mm (0.1 inches)82%very high
August Weather21°C (71°F)5 mm (0.2 inches)74%very high
September Weather18°C (64°F)62 mm (2.5 inches)71%very high
October Weather12°C (54°F)88 mm (3.5 inches)81%moderate
November Weather8°C (47°F)130 mm (5.1 inches)87%moderate
December Weather5°C (42°F)182 mm (7.2 inches)87%low

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