October Weather in Rio Maior, Portugal

Last updated: August 27, 2025

In October, the average temperature in Rio Maior, Portugal hovers around 18°C (65°F). However, you can expect a wide range, with minimums dipping to 8°C (46°F) and maximums soaring to 35°C (95°F). The region experiences an average precipitation of 58 mm (2.3 in) over approximately 6 days, contributing to a humidity level of 74%.

October Temperature in Rio Maior

In October in Rio Maior, the average temperature is 18°C (65°F), with maximums reaching up to 35°C (95°F) and minimums dropping as low as 8°C (46°F). This range makes it a great time to explore outdoor activities while also being prepared for cooler evenings.

October Weather in Rio Maior: Daily Temperature Highs, Lows, and Averages

The chart illustrates October temperature patterns in Rio Maior, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rio Maior, October typically has an average temperature of 18°C (65°F), with highs reaching up to 35°C (95°F) and lows dropping to around 8°C (46°F).

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

October Precipitation in Rio Maior

In Rio Maior in October, the precipitation amount is 58 mm (2.3 in) over the course of 6 days.

October Precipitation Trends in Rio Maior

The chart displays monthly precipitation patterns in Rio Maior, 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 Rio Maior, October typically receives around 58 mm (2.3 inches) of precipitation spread over approximately 6 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 Rio Maior

In Rio Maior in October humidity is 74%. With an average temperature of 18°C (65°F), this humidity feels like a warm, sticky embrace that can make even short walks feel laborious, leading travelers to seek shade and refreshment more often.

October Average Humidity in Rio Maior

This chart illustrates the average monthly humidity levels in Rio Maior, 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 Rio Maior is approximately 74%, 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 Rio Maior

In Rio Maior in October, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Rio Maior, you can refer to this Hourly UV Index in Rio Maior.

Maximum UV Index Levels in Rio Maior for October

The chart shows the monthly maximum UV Index (UVI) for Rio Maior 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 Rio Maior typically reaches 6, which falls under the high exposure category.

Data source: Rio Maior 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 Rio Maior Compares to Other Months

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

This table compares monthly weather conditions in Rio Maior, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	10°C (51°F)	41 mm (1.6 inches)	85%	moderate
February Weather	12°C (54°F)	53 mm (2.1 inches)	75%	moderate
March Weather	13°C (56°F)	74 mm (2.9 inches)	72%	high
April Weather	15°C (59°F)	82 mm (3.2 inches)	70%	very high
May Weather	18°C (64°F)	39 mm (1.5 inches)	70%	very high
June Weather	19°C (67°F)	16 mm (0.6 inches)	63%	extreme
July Weather	21°C (70°F)	6 mm (0.2 inches)	60%	very high
August Weather	21°C (70°F)	6 mm (0.2 inches)	60%	very high
September Weather	21°C (69°F)	27 mm (1.1 inches)	67%	very high
October Weather	18°C (65°F)	58 mm (2.3 inches)	74%	high
November Weather	14°C (57°F)	88 mm (3.5 inches)	83%	moderate
December Weather	12°C (54°F)	64 mm (2.5 inches)	85%	moderate