August Weather in Ilhavo, Portugal

Last updated: August 27, 2025

In August, the average temperature in Ilhavo, Portugal hovers around 20°C (68°F), providing a comfortable climate. Expect a minimum of 13°C (56°F) and a warm maximum of 33°C (91°F). Rain may grace your visit with approximately 12 mm (0.5 in) over 2 days, while the average humidity stands at 64%, offering a pleasant balance throughout the month.

August Temperature in Ilhavo

In August in Ilhavo, the average temperature is 20°C (68°F). Maximum temperatures can reach 33°C (91°F), while the minimum can drop to 13°C (56°F). This pleasant climate makes Ilhavo an ideal destination for outdoor activities and sightseeing during August.

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

The chart illustrates August temperature patterns in Ilhavo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ilhavo, August typically has an average temperature of 20°C (68°F), with highs reaching up to 33°C (91°F) and lows dropping to around 13°C (56°F).

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

August Precipitation in Ilhavo

In Ilhavo in August, the precipitation amount is 12 mm (0.5 in) over the course of 2 days.

August Precipitation Trends in Ilhavo

The chart displays monthly precipitation patterns in Ilhavo, 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 Ilhavo, August typically receives around 12 mm (0.5 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 Ilhavo

In Ilhavo 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 Ilhavo

This chart illustrates the average monthly humidity levels in Ilhavo, 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 Ilhavo 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 Ilhavo

In Ilhavo 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 Ilhavo.

Maximum UV Index Levels in Ilhavo for August

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

Data source: Ilhavo 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 Ilhavo Compares to Other Months

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

This table compares monthly weather conditions in Ilhavo, 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 (51°F)	70 mm (2.8 inches)	87%	moderate
February Weather	12°C (54°F)	98 mm (3.8 inches)	81%	moderate
March Weather	13°C (56°F)	108 mm (4.2 inches)	78%	high
April Weather	15°C (58°F)	106 mm (4.2 inches)	79%	very high
May Weather	17°C (63°F)	62 mm (2.4 inches)	78%	very high
June Weather	18°C (65°F)	32 mm (1.3 inches)	71%	very high
July Weather	20°C (68°F)	12 mm (0.5 inches)	63%	very high
August Weather	20°C (68°F)	12 mm (0.5 inches)	64%	very high
September Weather	20°C (68°F)	31 mm (1.2 inches)	71%	very high
October Weather	17°C (63°F)	92 mm (3.6 inches)	79%	high
November Weather	14°C (57°F)	130 mm (5.1 inches)	86%	moderate
December Weather	12°C (54°F)	133 mm (5.2 inches)	87%	low