April Weather in Ilhavo, Portugal

Last updated: August 27, 2025

In April, the average temperature in Ilhavo, Portugal is a mild 15°C (58°F). You can expect temperatures to range from a cool 6°C (43°F) to a warm 28°C (82°F). With an average humidity of 79%, the atmosphere can feel quite damp. Be prepared for 106 mm (4.2 in) of precipitation over 12 days, making it wise to pack an umbrella!

April Temperature in Ilhavo

In April in Ilhavo, the average temperature is 15°C (58°F), with maximums reaching 28°C (82°F) and minimums dropping to as low as 6°C (43°F). This pleasant climate makes Ilhavo an ideal destination for travelers looking to enjoy mild weather and outdoor activities.

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

The chart illustrates April 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, April typically has an average temperature of 15°C (58°F), with highs reaching up to 28°C (82°F) and lows dropping to around 6°C (43°F).

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

April Precipitation in Ilhavo

In Ilhavo in April, the precipitation amount is 106 mm (4.2 in), occurring over a span of 12 days.

April Precipitation Trends in Ilhavo

The chart displays monthly precipitation patterns in Ilhavo, 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 Ilhavo, April typically receives around 106 mm (4.2 inches) of precipitation spread over approximately 12 days.

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

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Millimeters (mm) Inches (in)

April Humidity in Ilhavo

In Ilhavo in April, humidity is 79%. With an average temperature of 15°C (58°F), this humidity feels like a thick blanket, making traveling a bit uncomfortable due to the stickiness, but still bearable for those who enjoy mild weather.

April Average Humidity in Ilhavo

This chart illustrates the average monthly humidity levels in Ilhavo, 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 Ilhavo is approximately 79%, 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 Ilhavo

In Ilhavo in April, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Ilhavo.

Maximum UV Index Levels in Ilhavo for April

The chart shows the monthly maximum UV Index (UVI) for Ilhavo 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 Ilhavo typically reaches 8, which falls under the very high exposure category.

Data source: Ilhavo 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 Ilhavo Compares to Other Months

Weather in Ilhavo varies notably across the year, with each month offering distinct climate conditions. This page compares April’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 April’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