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October Weather in Arraiolos, Portugal

Last updated: August 27, 2025

In October, the average temperature in Arraiolos, Portugal is a comfortable 19°C (66°F). However, it's worth noting that temperatures can range from a chilly 5°C (41°F) to a sweltering 35°C (95°F). Visitors can expect about 43 mm (1.7 in) of precipitation spread over 5 days, while the average humidity hovers around 74%, adding a touch of stickiness to the warm weather.

October Temperature in Arraiolos

In October in Arraiolos, the average temperature is 19°C (66°F), with maximums reaching up to 35°C (95°F) and minimums dropping as low as 5°C (41°F). Visitors should be prepared for a range of temperatures, making it advisable to bring layers for both warm and cool conditions.

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

The chart illustrates October temperature patterns in Arraiolos, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Arraiolos, October typically has an average temperature of 19°C (66°F), with highs reaching up to 35°C (95°F) and lows dropping to around 5°C (41°F).
JanFebMarAprMayJunJulAugSepOctNovDec485355586670747673655652
Data source: Temperature data for Arraiolos 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 Arraiolos

In Arraiolos in October, the precipitation amount is 43 mm (1.7 in) over the course of 5 days.

October Precipitation Trends in Arraiolos

The chart displays monthly precipitation patterns in Arraiolos, 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 Arraiolos, October typically receives around 43 mm (1.7 inches) of precipitation spread over approximately 5 days.
JanFebMarAprMayJunJulAugSepOctNovDec3451918839155525436863
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Arraiolos

In Arraiolos in October humidity is 74%. With an average temperature of 19°C (66°F), this humidity feels like a warm, enveloping blanket, making it ideal for leisurely outdoor exploration but potentially heavy for those not accustomed to tropical conditions.

October Average Humidity in Arraiolos

This chart illustrates the average monthly humidity levels in Arraiolos, 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 Arraiolos is approximately 74%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%75%72%70%70%63%60%60%68%74%83%85%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Arraiolos

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

Maximum UV Index Levels in Arraiolos for October

The chart shows the monthly maximum UV Index (UVI) for Arraiolos 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 Arraiolos typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3569101110109643
Data source: Arraiolos 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 Arraiolos Compares to Other Months

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

This table compares monthly weather conditions in Arraiolos, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather9°C (49°F)34 mm (1.3 inches)85%moderate
February Weather12°C (53°F)51 mm (2.0 inches)75%moderate
March Weather13°C (55°F)91 mm (3.6 inches)72%high
April Weather15°C (59°F)88 mm (3.5 inches)70%very high
May Weather19°C (66°F)39 mm (1.5 inches)70%very high
June Weather21°C (70°F)15 mm (0.6 inches)63%extreme
July Weather24°C (75°F)5 mm (0.2 inches)60%very high
August Weather24°C (76°F)5 mm (0.2 inches)60%very high
September Weather23°C (73°F)25 mm (1.0 inches)67%very high
October Weather19°C (66°F)43 mm (1.7 inches)74%high
November Weather13°C (56°F)68 mm (2.7 inches)83%moderate
December Weather11°C (52°F)63 mm (2.5 inches)85%moderate

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