May Weather in Sao Brissos, Portugal

Last updated: August 27, 2025

In Sao Brissos, Portugal, the average temperature in May reaches a pleasant 20°C (68°F). However, temperatures can vary significantly, with a minimum of 6°C (42°F) and a maximum soaring up to 36°C (97°F). During this month, expect about 27 mm (1.1 in) of precipitation over 5 days, coupled with an average humidity of 69%.

May Temperature in Sao Brissos

In May in Sao Brissos, the average temperature is 20°C (68°F). Maximums can reach 36°C (97°F), and minimums can be as low as 6°C (42°F). This temperature range makes Sao Brissos an ideal destination for travelers seeking comfortable weather.

May Weather in Sao Brissos: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Sao Brissos, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sao Brissos, May typically has an average temperature of 20°C (68°F), with highs reaching up to 36°C (97°F) and lows dropping to around 6°C (42°F).

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

May Precipitation in Sao Brissos

In Sao Brissos in May, the precipitation amount is 27 mm (1.1 in) over a period of 5 days.

May Precipitation Trends in Sao Brissos

The chart displays monthly precipitation patterns in Sao Brissos, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Sao Brissos, May typically receives around 27 mm (1.1 inches) of precipitation spread over approximately 5 days.

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

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Millimeters (mm) Inches (in)

May Humidity in Sao Brissos

In Sao Brissos in May, humidity is 69%. With an average temperature of 20°C (68°F), this humidity feels like walking through a warm, enveloping mist, making outdoor activities enjoyable yet a bit sticky, so it's best to stay hydrated and take breaks in the shade.

May Average Humidity in Sao Brissos

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

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

May UV Index in Sao Brissos

In Sao Brissos in May, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Sao Brissos.

Maximum UV Index Levels in Sao Brissos for May

The chart shows the monthly maximum UV Index (UVI) for Sao Brissos in May, 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 May, the maximum UV index in Sao Brissos typically reaches 10, which falls under the very high exposure category.

Data source: Sao Brissos May 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 May Weather in Sao Brissos Compares to Other Months

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

This table compares monthly weather conditions in Sao Brissos, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	9°C (49°F)	25 mm (1.0 inches)	80%	moderate
February Weather	12°C (54°F)	42 mm (1.7 inches)	73%	moderate
March Weather	13°C (56°F)	75 mm (3.0 inches)	71%	high
April Weather	15°C (60°F)	56 mm (2.2 inches)	69%	very high
May Weather	20°C (68°F)	27 mm (1.1 inches)	69%	very high
June Weather	22°C (71°F)	9 mm (0.4 inches)	67%	extreme
July Weather	24°C (75°F)	2 mm (0.1 inches)	69%	extreme
August Weather	25°C (77°F)	1 mm (0.0 inches)	68%	very high
September Weather	23°C (74°F)	14 mm (0.6 inches)	71%	very high
October Weather	19°C (67°F)	43 mm (1.7 inches)	75%	high
November Weather	14°C (57°F)	49 mm (1.9 inches)	78%	moderate
December Weather	12°C (53°F)	44 mm (1.8 inches)	81%	moderate