August Weather in Portel, Portugal

Last updated: August 27, 2025

In Portel, Portugal, the average temperature in August is a warm 26°C (78°F). Temperatures can vary significantly, with a minimum of 13°C (56°F) and a sweltering maximum of 44°C (112°F). Expect very little rain, with only 2 mm (0.1 in) of precipitation occurring over 0 days. The average humidity is comfortably moderate at 60%, making it a pleasant month overall.

August Temperature in Portel

In August in Portel, the average temperature is 26°C (78°F). Maximums can reach 44°C (112°F), and minimums can drop as low as 13°C (56°F). Be prepared for hot days and cooler nights, making it essential to pack both light clothing and a sweater.

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

The chart illustrates August temperature patterns in Portel, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Portel, August typically has an average temperature of 26°C (78°F), with highs reaching up to 44°C (112°F) and lows dropping to around 13°C (56°F).

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

August Precipitation in Portel

In Portel in August, the precipitation amount is 2 mm (0.1 in) during a span of 0 days.

August Precipitation Trends in Portel

The chart displays monthly precipitation patterns in Portel, 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 Portel, August typically receives around 2 mm (0.1 inches) of precipitation spread over approximately 0 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 Portel

In Portel in August, humidity is 60%. With an average temperature of 26°C (78°F), this humidity feels like a warm embrace, making outdoor activities refreshing yet slightly sticky, ideal for leisurely strolls or exploring local attractions while staying hydrated.

August Average Humidity in Portel

This chart illustrates the average monthly humidity levels in Portel, 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 Portel is approximately 60%, 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 Portel

In Portel in August, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Portel.

Maximum UV Index Levels in Portel for August

The chart shows the monthly maximum UV Index (UVI) for Portel 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 Portel typically reaches 10, which falls under the very high exposure category.

Data source: Portel 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 Portel Compares to Other Months

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

This table compares monthly weather conditions in Portel, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	9°C (49°F)	29 mm (1.1 inches)	85%	moderate
February Weather	12°C (53°F)	44 mm (1.7 inches)	75%	moderate
March Weather	13°C (56°F)	87 mm (3.4 inches)	72%	high
April Weather	15°C (60°F)	66 mm (2.6 inches)	70%	very high
May Weather	20°C (67°F)	29 mm (1.1 inches)	70%	very high
June Weather	22°C (72°F)	9 mm (0.4 inches)	63%	extreme
July Weather	25°C (76°F)	2 mm (0.1 inches)	60%	very high
August Weather	26°C (78°F)	2 mm (0.1 inches)	60%	very high
September Weather	23°C (74°F)	23 mm (0.9 inches)	67%	very high
October Weather	19°C (67°F)	45 mm (1.8 inches)	74%	high
November Weather	13°C (57°F)	56 mm (2.2 inches)	83%	moderate
December Weather	11°C (52°F)	52 mm (2.0 inches)	85%	moderate