April Weather in Porto, Brazil

Last updated: August 22, 2025

In April, the average temperature in Porto, Brazil is a warm 27°C (81°F). However, temperatures can vary, with lows dipping to 22°C (72°F) and highs soaring up to 34°C (93°F). This month also sees significant precipitation, with an average of 312 mm (12.3 in) spread over 25 days, resulting in a high humidity level of 93%.

April Temperature in Porto

In April in Porto, the average temperature is 27°C (81°F). Maximum temperatures can reach 34°C (93°F), while the minimum can drop to as low as 22°C (72°F). Overall, this makes Porto a warm and pleasant destination, perfect for travelers looking to enjoy the sun.

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

The chart illustrates April temperature patterns in Porto, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Porto, April typically has an average temperature of 27°C (81°F), with highs reaching up to 34°C (93°F) and lows dropping to around 22°C (72°F).

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

April Precipitation in Porto

In Porto in April, the total precipitation amount is 312 mm (12.3 in) over the course of 25 days.

April Precipitation Trends in Porto

The chart displays monthly precipitation patterns in Porto, 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 Porto, April typically receives around 312 mm (12.3 inches) of precipitation spread over approximately 25 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 Porto

In Porto in April humidity is 93%. With average temperature 27°C (81°F), this humidity feels like a wet blanket enveloping you, making travel feel heavy and exhausting.

April Average Humidity in Porto

This chart illustrates the average monthly humidity levels in Porto, 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 Porto is approximately 93%, 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 Porto

In Porto in April, the maximum UV index reaches an alarming 15, which falls into the extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take precautions. For detailed information, you can check the Hourly UV Index in Porto.

Maximum UV Index Levels in Porto for April

The chart shows the monthly maximum UV Index (UVI) for Porto 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 Porto typically reaches 15, which falls under the extreme exposure category.

Data source: Porto 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 Porto Compares to Other Months

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

This table compares monthly weather conditions in Porto, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	28°C (82°F)	194 mm (7.6 inches)	90%	extreme
February Weather	27°C (81°F)	315 mm (12.4 inches)	91%	extreme
March Weather	27°C (80°F)	409 mm (16.1 inches)	92%	extreme
April Weather	27°C (81°F)	312 mm (12.3 inches)	93%	extreme
May Weather	27°C (81°F)	149 mm (5.9 inches)	88%	extreme
June Weather	28°C (82°F)	22 mm (0.9 inches)	75%	extreme
July Weather	28°C (82°F)	18 mm (0.7 inches)	52%	extreme
August Weather	29°C (84°F)	3 mm (0.1 inches)	42%	extreme
September Weather	30°C (86°F)	2 mm (0.1 inches)	36%	extreme
October Weather	30°C (87°F)	7 mm (0.3 inches)	35%	extreme
November Weather	30°C (86°F)	61 mm (2.4 inches)	43%	extreme
December Weather	29°C (85°F)	69 mm (2.7 inches)	76%	extreme