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October Weather in Arcos, Portugal

Last updated: August 27, 2025

In Arcos, Portugal, the average temperature in October hovers around 16°C (62°F). You can expect minimum temperatures to dip to 7°C (45°F) and occasionally rise to a warm 29°C (84°F). With an average precipitation of 131 mm (5.2 in) spread over 10 days, it's wise to pack an umbrella. Don't forget, the average humidity is quite high at 79%, adding a touch of mugginess to your adventures!

October Temperature in Arcos

In October in Arcos, the average temperature is 16°C (62°F). Maximums can reach 29°C (84°F) and minimums can be as low as 7°C (45°F). This pleasant climate makes Arcos an ideal destination for travelers seeking moderate weather and outdoor activities.

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

The chart illustrates October temperature patterns in Arcos, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Arcos, October typically has an average temperature of 16°C (62°F), with highs reaching up to 29°C (84°F) and lows dropping to around 7°C (45°F).
JanFebMarAprMayJunJulAugSepOctNovDec505354576264686866615553
Data source: Temperature data for Arcos 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 Arcos

In Arcos in October, the precipitation amount is 131 mm (5.2 in) over a duration of 10 days.

October Precipitation Trends in Arcos

The chart displays monthly precipitation patterns in Arcos, 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 Arcos, October typically receives around 131 mm (5.2 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec1031421501478544192239131175190
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Arcos

In Arcos in October, humidity is 79%. With an average temperature of 16°C (62°F), this humidity feels like a warm, enveloping blanket that makes walking outdoors feel languid and heavy, demanding frequent breaks and plenty of water as you navigate the bustling streets.

October Average Humidity in Arcos

This chart illustrates the average monthly humidity levels in Arcos, 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 Arcos is approximately 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%81%78%79%78%71%63%64%71%79%86%87%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Arcos

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

Maximum UV Index Levels in Arcos for October

The chart shows the monthly maximum UV Index (UVI) for Arcos 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 Arcos typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2468910997632
Data source: Arcos 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 Arcos Compares to Other Months

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

This table compares monthly weather conditions in Arcos, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather10°C (50°F)103 mm (4.0 inches)87%low
February Weather11°C (53°F)142 mm (5.6 inches)81%moderate
March Weather12°C (54°F)150 mm (5.9 inches)78%high
April Weather14°C (57°F)147 mm (5.8 inches)79%very high
May Weather16°C (62°F)85 mm (3.4 inches)78%very high
June Weather18°C (64°F)44 mm (1.7 inches)71%very high
July Weather20°C (68°F)19 mm (0.7 inches)63%very high
August Weather20°C (68°F)21 mm (0.8 inches)64%very high
September Weather19°C (67°F)39 mm (1.5 inches)71%high
October Weather16°C (62°F)131 mm (5.2 inches)79%high
November Weather13°C (56°F)175 mm (6.9 inches)86%moderate
December Weather12°C (53°F)190 mm (7.5 inches)87%low

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