August Weather in Arcos, Portugal

Last updated: August 27, 2025

In August, the average temperature in Arcos, Portugal is a pleasant 20°C (68°F). You can expect temperatures to vary, with a minimum of 13°C (55°F) and a maximum reaching up to 32°C (90°F). During this time, precipitation amounts to 21 mm (0.8 in) over approximately 2 days, accompanied by an average humidity of 64%.

August Temperature in Arcos

In August in Arcos, the average temperature is 20°C (68°F). Maximum can reach 32°C (90°F) and minimum can be as low as 13°C (55°F). This pleasant climate makes it an ideal time for travelers to explore the area's outdoor attractions and activities.

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 20°C (68°F), with highs reaching up to 32°C (90°F) and lows dropping to around 13°C (55°F).

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

August Precipitation in Arcos

In Arcos in August, the precipitation amount is 21 mm (0.8 in) over a period of 2 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 21 mm (0.8 inches) of precipitation spread over approximately 2 days.

Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

August Humidity in Arcos

In Arcos in August humidity is 64%. With an average temperature of 20°C (68°F), this humidity feels like a warm embrace, making it a perfect time for travelers to explore, though they might want to stay hydrated and take breaks in the shade to fully enjoy the experience.

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.

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.

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.
	Temperature	Precipitation	Humidity	UV
January Weather	10°C (50°F)	103 mm (4.0 inches)	87%	low
February Weather	11°C (53°F)	142 mm (5.6 inches)	81%	moderate
March Weather	12°C (54°F)	150 mm (5.9 inches)	78%	high
April Weather	14°C (57°F)	147 mm (5.8 inches)	79%	very high
May Weather	16°C (62°F)	85 mm (3.4 inches)	78%	very high
June Weather	18°C (64°F)	44 mm (1.7 inches)	71%	very high
July Weather	20°C (68°F)	19 mm (0.7 inches)	63%	very high
August Weather	20°C (68°F)	21 mm (0.8 inches)	64%	very high
September Weather	19°C (67°F)	39 mm (1.5 inches)	71%	high
October Weather	16°C (62°F)	131 mm (5.2 inches)	79%	high
November Weather	13°C (56°F)	175 mm (6.9 inches)	86%	moderate
December Weather	12°C (53°F)	190 mm (7.5 inches)	87%	low