October Weather in Seia, Portugal

Last updated: August 27, 2025

In October, the average temperature in Seia, Portugal is 15°C (59°F), but can range from a chilly 0°C (33°F) to a warm 31°C (87°F). Expect about 94 mm (3.7 in) of precipitation spread across 8 days, contributing to an average humidity of 79%.

October Temperature in Seia

In October, in Seia, the average temperature is 15°C (59°F). Maximum temperatures can reach 31°C (87°F), while minimums can drop as low as 0°C (33°F). Be sure to pack for varying weather conditions if you're planning to travel during this time!

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

The chart illustrates October temperature patterns in Seia, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Seia, October typically has an average temperature of 15°C (59°F), with highs reaching up to 31°C (87°F) and lows dropping to around 0°C (33°F).

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

October Precipitation in Seia

In Seia in October, the precipitation amount is 94 mm (3.7 in) over the course of 8 days.

October Precipitation Trends in Seia

The chart displays monthly precipitation patterns in Seia, 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 Seia, October typically receives around 94 mm (3.7 inches) of precipitation spread over approximately 8 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 Seia

In Seia in October humidity is 79%. With an average temperature of 15°C (59°F), this humidity feels like a muggy embrace that clings to your skin, making outdoor activities somewhat uncomfortable. Travelers may find themselves frequently seeking shelter or refreshing drinks to combat the warm, damp air, as the moisture in the atmosphere feels particularly heavy, especially during longer excursions.

October Average Humidity in Seia

This chart illustrates the average monthly humidity levels in Seia, 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 Seia is approximately 79%, 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 Seia

In Seia 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 Seia, you can refer to this Hourly UV Index in Seia.

Maximum UV Index Levels in Seia for October

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

Data source: Seia 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 Seia Compares to Other Months

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

This table compares monthly weather conditions in Seia, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	6°C (44°F)	68 mm (2.7 inches)	87%	moderate
February Weather	9°C (48°F)	110 mm (4.3 inches)	81%	moderate
March Weather	10°C (50°F)	133 mm (5.2 inches)	78%	high
April Weather	12°C (54°F)	125 mm (4.9 inches)	79%	very high
May Weather	16°C (61°F)	56 mm (2.2 inches)	78%	very high
June Weather	18°C (65°F)	39 mm (1.5 inches)	71%	extreme
July Weather	21°C (70°F)	12 mm (0.5 inches)	63%	very high
August Weather	21°C (71°F)	17 mm (0.7 inches)	64%	very high
September Weather	19°C (67°F)	43 mm (1.7 inches)	71%	very high
October Weather	15°C (59°F)	94 mm (3.7 inches)	79%	high
November Weather	10°C (50°F)	132 mm (5.2 inches)	86%	moderate
December Weather	8°C (47°F)	136 mm (5.4 inches)	87%	moderate