October Weather in Mertola, Portugal

Last updated: August 27, 2025

In October, the average temperature in Mertola, Portugal hovers around 19°C (67°F). However, temperatures can vary significantly, with a minimum of 6°C (43°F) and a maximum reaching up to 35°C (95°F). Expect some rain, as the region experiences approximately 38 mm (1.5 in) of precipitation over 4 days. Additionally, the average humidity level stands at a comfortable 75%, creating a lively and refreshing atmosphere.

October Temperature in Mertola

In October in Mertola, the average temperature is 19°C (67°F), with maximums reaching up to 35°C (95°F) and minimums dropping as low as 6°C (43°F). This diverse temperature range makes it advisable to pack for both warm and cooler conditions to fully enjoy your travels.

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

The chart illustrates October temperature patterns in Mertola, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mertola, October typically has an average temperature of 19°C (67°F), with highs reaching up to 35°C (95°F) and lows dropping to around 6°C (43°F).

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

October Precipitation in Mertola

In Mertola in October, the total precipitation amount is 38 mm (1.5 in) spread over the course of 4 days.

October Precipitation Trends in Mertola

The chart displays monthly precipitation patterns in Mertola, 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 Mertola, October typically receives around 38 mm (1.5 inches) of precipitation spread over approximately 4 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

October Humidity in Mertola

In Mertola in October humidity is 75%. With an average temperature of 19°C (67°F), this humidity feels like a warm embrace, making travel invigorating yet slightly sticky, as you navigate through the vibrant streets or scenic landscapes.

October Average Humidity in Mertola

This chart illustrates the average monthly humidity levels in Mertola, 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 Mertola is approximately 75%, 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 Mertola

In Mertola in October, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Mertola.

Maximum UV Index Levels in Mertola for October

The chart shows the monthly maximum UV Index (UVI) for Mertola 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 Mertola typically reaches 7, which falls under the high exposure category.

Data source: Mertola 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 Mertola Compares to Other Months

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

This table compares monthly weather conditions in Mertola, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	9°C (49°F)	23 mm (0.9 inches)	80%	moderate
February Weather	12°C (54°F)	37 mm (1.5 inches)	73%	moderate
March Weather	13°C (56°F)	67 mm (2.7 inches)	71%	high
April Weather	15°C (60°F)	55 mm (2.2 inches)	69%	very high
May Weather	20°C (68°F)	26 mm (1.0 inches)	69%	very high
June Weather	22°C (72°F)	9 mm (0.4 inches)	67%	extreme
July Weather	24°C (76°F)	2 mm (0.1 inches)	69%	extreme
August Weather	26°C (78°F)	2 mm (0.1 inches)	68%	very high
September Weather	23°C (74°F)	22 mm (0.8 inches)	71%	very high
October Weather	19°C (67°F)	38 mm (1.5 inches)	75%	high
November Weather	14°C (57°F)	48 mm (1.9 inches)	78%	moderate
December Weather	11°C (53°F)	40 mm (1.6 inches)	81%	moderate