August Weather in Sao Martinho do Porto, Portugal

Last updated: August 27, 2025

In August, the average temperature in Sao Martinho do Porto, Portugal is a pleasant 20°C (68°F). You'll find the mercury can dip to a comfortable 16°C (61°F) or peak at a warm 31°C (89°F). Expect a light precipitation of about 7 mm (0.3 in) over the course of just 1 day, with an average humidity level of around 60%. Embrace the mild weather as you explore this charming destination!

August Temperature in Sao Martinho do Porto

In August in Sao Martinho do Porto, the average temperature is 20°C (68°F). Maximums can reach 31°C (89°F) and minimums can be as low as 16°C (61°F). This moderate climate makes Sao Martinho do Porto an ideal destination for travelers seeking pleasant weather.

August Weather in Sao Martinho do Porto: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Sao Martinho do Porto, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sao Martinho do Porto, August typically has an average temperature of 20°C (68°F), with highs reaching up to 31°C (89°F) and lows dropping to around 16°C (61°F).

Data source: Temperature data for Sao Martinho do Porto generated using information from the Copernicus Climate Change Service.

August Precipitation in Sao Martinho do Porto

In Sao Martinho do Porto in August, the precipitation amount is 7 mm (0.3 in) over the course of 1 day.

August Precipitation Trends in Sao Martinho do Porto

The chart displays monthly precipitation patterns in Sao Martinho do Porto, 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 Sao Martinho do Porto, August typically receives around 7 mm (0.3 inches) of precipitation spread over approximately 1 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 Sao Martinho do Porto

In Sao Martinho do Porto in August, humidity is 60%. With an average temperature of 20°C (68°F), this humidity feels like a warm embrace, making traveling quite comfortable yet slightly sticky, perfect for leisurely strolls but reminding you to stay hydrated.

August Average Humidity in Sao Martinho do Porto

This chart illustrates the average monthly humidity levels in Sao Martinho do Porto, 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 Sao Martinho do Porto 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 Sao Martinho do Porto

In Sao Martinho do Porto 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 Sao Martinho do Porto.

Maximum UV Index Levels in Sao Martinho do Porto for August

The chart shows the monthly maximum UV Index (UVI) for Sao Martinho do Porto 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 Sao Martinho do Porto typically reaches 9, which falls under the very high exposure category.

Data source: Sao Martinho do Porto 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 Sao Martinho do Porto Compares to Other Months

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

This table compares monthly weather conditions in Sao Martinho do Porto, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	12°C (54°F)	50 mm (2.0 inches)	85%	moderate
February Weather	13°C (56°F)	55 mm (2.1 inches)	75%	moderate
March Weather	13°C (57°F)	73 mm (2.9 inches)	72%	high
April Weather	15°C (59°F)	80 mm (3.1 inches)	70%	very high
May Weather	17°C (63°F)	39 mm (1.5 inches)	70%	very high
June Weather	18°C (65°F)	24 mm (1.0 inches)	63%	extreme
July Weather	19°C (67°F)	12 mm (0.5 inches)	60%	very high
August Weather	20°C (68°F)	7 mm (0.3 inches)	60%	very high
September Weather	19°C (67°F)	24 mm (1.0 inches)	67%	very high
October Weather	18°C (64°F)	69 mm (2.7 inches)	74%	high
November Weather	15°C (59°F)	91 mm (3.6 inches)	83%	moderate
December Weather	13°C (56°F)	73 mm (2.9 inches)	85%	moderate