August Weather in Arcos, Portugal

Last updated: August 27, 2025

In Arcos, Portugal, the average temperature in August hovers around 21°C (70°F), with minimums dipping to 11°C (51°F) and maximums soaring up to 38°C (101°F). Expect a precipitation amount of 24 mm (1.0 in) over 3 days, accompanied by an average humidity of 64%. Enjoy the pleasant weather while staying prepared for occasional light rain!

August Temperature in Arcos

In August in Arcos, the average temperature is 21°C (70°F). Maximum temperatures can reach 38°C (101°F), while minimums can drop as low as 11°C (51°F). This diverse temperature range makes Arcos an ideal destination for travelers seeking both warm days and cooler evenings.

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

The chart illustrates August 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, August typically has an average temperature of 21°C (70°F), with highs reaching up to 38°C (101°F) and lows dropping to around 11°C (51°F).
JanFebMarAprMayJunJulAugSepOctNovDec475153576265707067615351
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.

August Precipitation in Arcos

In Arcos in August, the total precipitation amount is 24 mm (1.0 in) accumulated over a period of 3 days.

August Precipitation Trends in Arcos

The chart displays monthly precipitation patterns in Arcos, with values for each month alongside August’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how August’s conditions compare to those of other months. In Arcos, August typically receives around 24 mm (1.0 inches) of precipitation spread over approximately 3 days.
JanFebMarAprMayJunJulAugSepOctNovDec1161691711629554252444143189218
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Arcos

In Arcos in August humidity is 64%. With an average temperature of 21°C (70°F), this humidity feels like a warm embrace, making it comfortable for traveling during the day, albeit slightly sticky in the afternoons.

August Average Humidity in Arcos

This chart illustrates the average monthly humidity levels in Arcos, with August’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In August, average humidity in Arcos is approximately 64%, 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 August generated using information from the Copernicus Climate Change Service.

August UV Index in Arcos

In Arcos in August, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Arcos.

Maximum UV Index Levels in Arcos for August

The chart shows the monthly maximum UV Index (UVI) for Arcos in August, 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 August, the maximum UV index in Arcos typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec24689111098642
Data source: Arcos August 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 August 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 August’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 August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather8°C (47°F)116 mm (4.5 inches)87%low
February Weather11°C (51°F)169 mm (6.7 inches)81%moderate
March Weather12°C (53°F)171 mm (6.7 inches)78%high
April Weather14°C (57°F)162 mm (6.4 inches)79%very high
May Weather17°C (62°F)95 mm (3.8 inches)78%very high
June Weather18°C (65°F)54 mm (2.1 inches)71%extreme
July Weather21°C (70°F)24 mm (1.0 inches)63%very high
August Weather21°C (70°F)24 mm (1.0 inches)64%very high
September Weather20°C (68°F)44 mm (1.7 inches)71%very high
October Weather16°C (61°F)143 mm (5.6 inches)79%high
November Weather12°C (54°F)189 mm (7.4 inches)86%moderate
December Weather10°C (51°F)218 mm (8.6 inches)87%low

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