May Weather in Cela, Portugal

Last updated: August 27, 2025

In May, the average temperature in Cela, Portugal is a mild 17°C (63°F). However, be prepared for a range, as temperatures can dip to a brisk 8°C (47°F) or soar to a sweltering 34°C (94°F). Expect about 47 mm (1.8 in) of precipitation spread over 7 days, while the average humidity hovers around 70%, contributing to a pleasantly balanced climate.

May Temperature in Cela

In May in Cela, the average temperature is 17°C (63°F). Maximum temperatures can reach 34°C (94°F), while minimums can drop as low as 8°C (47°F). Be sure to pack for a range of weather conditions to fully enjoy your trip!

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

The chart illustrates May temperature patterns in Cela, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Cela, May typically has an average temperature of 17°C (63°F), with highs reaching up to 34°C (94°F) and lows dropping to around 8°C (47°F).

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

May Precipitation in Cela

In Cela in May, the precipitation amount is 47 mm (1.8 in) during a span of 7 days.

May Precipitation Trends in Cela

The chart displays monthly precipitation patterns in Cela, 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 Cela, May typically receives around 47 mm (1.8 inches) of precipitation spread over approximately 7 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 Cela

In Cela in May humidity is 70%. With an average temperature of 17°C (63°F), this humidity feels like a warm embrace, making travel both refreshing and slightly sticky, as you navigate the air thick with moisture.

May Average Humidity in Cela

This chart illustrates the average monthly humidity levels in Cela, 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 Cela 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 Cela

In Cela in May, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Cela.

Maximum UV Index Levels in Cela for May

The chart shows the monthly maximum UV Index (UVI) for Cela 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 Cela typically reaches 9, which falls under the very high exposure category.

Data source: Cela 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 Cela Compares to Other Months

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

This table compares monthly weather conditions in Cela, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	11°C (51°F)	50 mm (2.0 inches)	85%	moderate
February Weather	12°C (54°F)	58 mm (2.3 inches)	75%	moderate
March Weather	13°C (56°F)	87 mm (3.4 inches)	72%	high
April Weather	14°C (58°F)	95 mm (3.7 inches)	70%	very high
May Weather	17°C (63°F)	47 mm (1.8 inches)	70%	very high
June Weather	18°C (65°F)	25 mm (1.0 inches)	63%	extreme
July Weather	20°C (68°F)	10 mm (0.4 inches)	60%	very high
August Weather	20°C (69°F)	7 mm (0.3 inches)	60%	very high
September Weather	20°C (68°F)	30 mm (1.2 inches)	67%	very high
October Weather	18°C (64°F)	72 mm (2.8 inches)	74%	high
November Weather	14°C (57°F)	97 mm (3.8 inches)	83%	moderate
December Weather	12°C (54°F)	74 mm (2.9 inches)	85%	moderate