October Weather in Port Isabel, United States

Last updated: June 24, 2025

In Port Isabel, United States, the average temperature in October hovers around 26°C (79°F), with minimums dipping to 13°C (57°F) and maximums reaching up to 30°C (87°F). Expect an average precipitation of 94 mm (3.7 in) over 14 days, accompanied by a humidity level of 76%. Prepare for a warm and humid month!

October Temperature in Port Isabel

In October in Port Isabel, the average temperature is 26°C (79°F). The maximum can reach 30°C (87°F), and the minimum can be as low as 13°C (57°F). This pleasant climate makes Port Isabel an ideal destination for travelers looking to enjoy a comfortable getaway.

October Weather in Port Isabel: Daily Temperature Highs, Lows, and Averages

The chart illustrates October temperature patterns in Port Isabel, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Port Isabel, October typically has an average temperature of 26°C (79°F), with highs reaching up to 30°C (87°F) and lows dropping to around 13°C (57°F).

Data source: Temperature data for Port Isabel generated using information from the Copernicus Climate Change Service.

October Precipitation in Port Isabel

In Port Isabel in October, the precipitation amount is 94 mm (3.7 in) recorded over the course of 14 days.

October Precipitation Trends in Port Isabel

The chart displays monthly precipitation patterns in Port Isabel, 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 Port Isabel, October typically receives around 94 mm (3.7 inches) of precipitation spread over approximately 14 days.

Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

October Humidity in Port Isabel

In Port Isabel in October humidity is 76%. With an average temperature of 26°C (79°F), this humidity feels like a heavy blanket wrapping around you, making outdoor activities challenging and requiring frequent breaks to hydrate and cool down during your travels.

October Average Humidity in Port Isabel

This chart illustrates the average monthly humidity levels in Port Isabel, 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 Port Isabel is approximately 76%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Port Isabel

In Port Isabel in October, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Port Isabel.

Maximum UV Index Levels in Port Isabel for October

The chart shows the monthly maximum UV Index (UVI) for Port Isabel 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 Port Isabel typically reaches 10, which falls under the very high exposure category.

Data source: Port Isabel 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 Port Isabel Compares to Other Months

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

This table compares monthly weather conditions in Port Isabel, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	18°C (64°F)	47 mm (1.9 inches)	78%	high
February Weather	18°C (65°F)	36 mm (1.4 inches)	81%	very high
March Weather	20°C (69°F)	42 mm (1.6 inches)	81%	very high
April Weather	23°C (74°F)	26 mm (1.0 inches)	85%	extreme
May Weather	26°C (79°F)	68 mm (2.7 inches)	83%	extreme
June Weather	28°C (82°F)	87 mm (3.4 inches)	79%	extreme
July Weather	28°C (83°F)	125 mm (4.9 inches)	79%	extreme
August Weather	29°C (84°F)	32 mm (1.2 inches)	77%	extreme
September Weather	28°C (82°F)	136 mm (5.3 inches)	77%	extreme
October Weather	26°C (79°F)	94 mm (3.7 inches)	76%	very high
November Weather	22°C (72°F)	71 mm (2.8 inches)	79%	high
December Weather	19°C (67°F)	43 mm (1.7 inches)	79%	high