April Weather in Mertola, Portugal

Last updated: August 27, 2025

In April, the average temperature in Mertola, Portugal is a comfortable 15°C (60°F), with a minimum dipping to 4°C (39°F) and a maximum soaring to 31°C (88°F). Expect around 55 mm (2.2 in) of precipitation spread over 10 days, all complemented by an average humidity level of 69%. Enjoy the dynamic climate of this beautiful destination!

April Temperature in Mertola

In April in Mertola, the average temperature is 15°C (60°F), with maximums reaching as high as 31°C (88°F) and minimums dropping down to 4°C (39°F). This variation in temperature makes it advisable to pack layers to ensure comfort during your travels.

April Weather in Mertola: Daily Temperature Highs, Lows, and Averages

The chart illustrates April temperature patterns in Mertola, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mertola, April typically has an average temperature of 15°C (60°F), with highs reaching up to 31°C (88°F) and lows dropping to around 4°C (39°F).

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

April Precipitation in Mertola

In Mertola in April, the precipitation amount is 55 mm (2.2 in) spread over a duration of 10 days.

April Precipitation Trends in Mertola

The chart displays monthly precipitation patterns in Mertola, with values for each month alongside April’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how April’s conditions compare to those of other months. In Mertola, April typically receives around 55 mm (2.2 inches) of precipitation spread over approximately 10 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

April Humidity in Mertola

In Mertola in April, humidity is 69%. With an average temperature of 15°C (60°F), this humidity feels like a cool, damp embrace that can make outdoor activities feel slightly heavier and more exhausting, but still inviting for exploring the charming sights and sounds of the area.

April Average Humidity in Mertola

This chart illustrates the average monthly humidity levels in Mertola, with April’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In April, average humidity in Mertola is approximately 69%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Mertola

In Mertola in April, 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 Mertola.

Maximum UV Index Levels in Mertola for April

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

Data source: Mertola April 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 April Weather in Mertola Compares to Other Months

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

This table compares monthly weather conditions in Mertola, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	9°C (49°F)	23 mm (0.9 inches)	80%	moderate
February Weather	12°C (54°F)	37 mm (1.5 inches)	73%	moderate
March Weather	13°C (56°F)	67 mm (2.7 inches)	71%	high
April Weather	15°C (60°F)	55 mm (2.2 inches)	69%	very high
May Weather	20°C (68°F)	26 mm (1.0 inches)	69%	very high
June Weather	22°C (72°F)	9 mm (0.4 inches)	67%	extreme
July Weather	24°C (76°F)	2 mm (0.1 inches)	69%	extreme
August Weather	26°C (78°F)	2 mm (0.1 inches)	68%	very high
September Weather	23°C (74°F)	22 mm (0.8 inches)	71%	very high
October Weather	19°C (67°F)	38 mm (1.5 inches)	75%	high
November Weather	14°C (57°F)	48 mm (1.9 inches)	78%	moderate
December Weather	11°C (53°F)	40 mm (1.6 inches)	81%	moderate