March Weather in Rio Tinto, Portugal

Last updated: August 27, 2025

In March, the average temperature in Rio Tinto, Portugal is a pleasant 12°C (54°F). Expect a range with minimums dipping to 3°C (38°F) and maximums reaching up to 26°C (79°F). Be prepared for some rain, as you'll experience an average precipitation amount of 141 mm (5.6 in) spread over 11 days, coupled with an average humidity of 78%.

March Temperature in Rio Tinto

In March in Rio Tinto, the average temperature is 12°C (54°F). The maximum can reach 26°C (79°F), while the minimum can drop as low as 3°C (38°F). Be prepared for a mix of mild and cooler temperatures, making it ideal for layered clothing during your travels.

March Weather in Rio Tinto: Daily Temperature Highs, Lows, and Averages

The chart illustrates March temperature patterns in Rio Tinto, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rio Tinto, March typically has an average temperature of 12°C (54°F), with highs reaching up to 26°C (79°F) and lows dropping to around 3°C (38°F).

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

March Precipitation in Rio Tinto

In Rio Tinto in March, the total precipitation amount is 141 mm (5.6 in) spread over 11 days.

March Precipitation Trends in Rio Tinto

The chart displays monthly precipitation patterns in Rio Tinto, with values for each month alongside March’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how March’s conditions compare to those of other months. In Rio Tinto, March typically receives around 141 mm (5.6 inches) of precipitation spread over approximately 11 days.

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

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Millimeters (mm) Inches (in)

March Humidity in Rio Tinto

In Rio Tinto in March humidity is 78%. With an average temperature of 12°C (54°F), this humidity feels like a damp chill settling in, making travel a bit uncomfortable as the air clings to your skin, leaving you feeling cooler than the thermometer suggests.

March Average Humidity in Rio Tinto

This chart illustrates the average monthly humidity levels in Rio Tinto, with March’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In March, average humidity in Rio Tinto is approximately 78%, offering insight into how humid the weather typically is during this month.

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

March UV Index in Rio Tinto

In Rio Tinto in March, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Rio Tinto, you can refer to this Hourly UV Index in Rio Tinto.

Maximum UV Index Levels in Rio Tinto for March

The chart shows the monthly maximum UV Index (UVI) for Rio Tinto in March, 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 March, the maximum UV index in Rio Tinto typically reaches 6, which falls under the high exposure category.

Data source: Rio Tinto March 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 March Weather in Rio Tinto Compares to Other Months

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

This table compares monthly weather conditions in Rio Tinto, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	9°C (49°F)	91 mm (3.6 inches)	87%	low
February Weather	11°C (52°F)	138 mm (5.4 inches)	81%	moderate
March Weather	12°C (54°F)	141 mm (5.6 inches)	78%	high
April Weather	14°C (58°F)	146 mm (5.7 inches)	79%	very high
May Weather	17°C (63°F)	81 mm (3.2 inches)	78%	very high
June Weather	18°C (66°F)	50 mm (2.0 inches)	71%	extreme
July Weather	21°C (70°F)	23 mm (0.9 inches)	63%	very high
August Weather	21°C (70°F)	19 mm (0.7 inches)	64%	very high
September Weather	20°C (68°F)	39 mm (1.5 inches)	71%	very high
October Weather	17°C (62°F)	121 mm (4.8 inches)	79%	high
November Weather	13°C (55°F)	156 mm (6.1 inches)	86%	moderate
December Weather	11°C (52°F)	187 mm (7.4 inches)	87%	low