June Weather in Porto, Brazil

Last updated: August 22, 2025

In June, the average temperature in Porto, Brazil hovers around 28°C (82°F), with a comfortable minimum of 21°C (70°F) and a warm maximum of 34°C (94°F). Expect an average humidity of 75%, and be prepared for some light rain with a total precipitation of 22 mm (0.9 in) spread over 4 days.

June Temperature in Porto

In June in Porto, the average temperature is 28°C (82°F). Maximums can reach 34°C (94°F), while minimums can drop to as low as 21°C (70°F). This warm and pleasant climate makes Porto an ideal destination for travelers seeking sunshine and outdoor adventures.

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

The chart illustrates June 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, June typically has an average temperature of 28°C (82°F), with highs reaching up to 34°C (94°F) and lows dropping to around 21°C (70°F).

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

June Precipitation in Porto

In Porto in June, the precipitation amount is 22 mm (0.9 in) over a duration of 4 days.

June Precipitation Trends in Porto

The chart displays monthly precipitation patterns in Porto, with values for each month alongside June’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how June’s conditions compare to those of other months. In Porto, June typically receives around 22 mm (0.9 inches) of precipitation spread over approximately 4 days.

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

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Millimeters (mm) Inches (in)

June Humidity in Porto

In Porto in June humidity is 75%. With an average temperature of 28°C (82°F), this humidity feels like a warm, enveloping embrace that can quickly leave travelers feeling sticky and fatigued. It can make outdoor activities challenging, as sweat doesn’t evaporate easily, leading to a constant struggle between comfort and the desire to explore.

June Average Humidity in Porto

This chart illustrates the average monthly humidity levels in Porto, with June’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In June, average humidity in Porto is approximately 75%, offering insight into how humid the weather typically is during this month.

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

June UV Index in Porto

In Porto in June, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Porto.

Maximum UV Index Levels in Porto for June

The chart shows the monthly maximum UV Index (UVI) for Porto in June, 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 June, the maximum UV index in Porto typically reaches 11, which falls under the extreme exposure category.

Data source: Porto June 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 June 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 June’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 June’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