May Weather in Oleiros, Portugal

Last updated: August 27, 2025

In Oleiros, Portugal, the average temperature in May hovers around 16°C (61°F), with minimums dipping to 2°C (37°F) and peaks reaching up to 30°C (87°F). Expect around 68 mm (2.7 in) of precipitation spread over 8 days, accompanied by an average humidity level of 70%.

May Temperature in Oleiros

In May in Oleiros, the average temperature is 16°C (61°F). Maximums can reach 30°C (87°F), and minimums can drop to as low as 2°C (37°F). This makes Oleiros an ideal destination for travelers seeking a pleasant and varied climate.

May Weather in Oleiros: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Oleiros, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Oleiros, May typically has an average temperature of 16°C (61°F), with highs reaching up to 30°C (87°F) and lows dropping to around 2°C (37°F).

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

May Precipitation in Oleiros

In Oleiros in May, the precipitation amount is 68 mm (2.7 in) spread over 8 days.

May Precipitation Trends in Oleiros

The chart displays monthly precipitation patterns in Oleiros, 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 Oleiros, May typically receives around 68 mm (2.7 inches) of precipitation spread over approximately 8 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 Oleiros

In Oleiros in May humidity is 70%. With an average temperature of 16°C (61°F), this humidity feels like a warm, damp blanket wrapping around you, making travel somewhat uncomfortable as you navigate the sticky air while trying to enjoy your surroundings.

May Average Humidity in Oleiros

This chart illustrates the average monthly humidity levels in Oleiros, 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 Oleiros is approximately 70%, 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 Oleiros

In Oleiros 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 Oleiros.

Maximum UV Index Levels in Oleiros for May

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

Data source: Oleiros 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 Oleiros Compares to Other Months

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

This table compares monthly weather conditions in Oleiros, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	7°C (45°F)	63 mm (2.5 inches)	85%	moderate
February Weather	9°C (49°F)	99 mm (3.9 inches)	75%	moderate
March Weather	10°C (51°F)	141 mm (5.5 inches)	72%	high
April Weather	12°C (55°F)	140 mm (5.5 inches)	70%	very high
May Weather	16°C (61°F)	68 mm (2.7 inches)	70%	very high
June Weather	18°C (65°F)	32 mm (1.2 inches)	63%	extreme
July Weather	21°C (70°F)	12 mm (0.5 inches)	60%	very high
August Weather	21°C (70°F)	15 mm (0.6 inches)	60%	very high
September Weather	19°C (67°F)	40 mm (1.6 inches)	67%	very high
October Weather	16°C (60°F)	97 mm (3.8 inches)	74%	high
November Weather	11°C (51°F)	139 mm (5.5 inches)	83%	moderate
December Weather	9°C (48°F)	128 mm (5.0 inches)	85%	moderate