March Weather in Olhao, Portugal

Last updated: August 27, 2025

In Olhao, Portugal, the average temperature in March hovers around 15°C (59°F). Expect a cool minimum of 9°C (48°F) and a pleasant maximum of 21°C (70°F). You'll want to be prepared for some rain, as the region typically sees 68 mm (2.7 in) of precipitation over 8 days. With an average humidity of 71%, it’s wise to dress in layers to stay comfortable throughout the month!

March Temperature in Olhao

In March, in Olhao, the average temperature is 15°C (59°F), with maximums reaching 21°C (70°F) and minimums dropping as low as 9°C (48°F). This mild climate makes it an ideal time for travelers seeking comfortable weather and pleasant outdoor activities.

March Weather in Olhao: Daily Temperature Highs, Lows, and Averages

The chart illustrates March temperature patterns in Olhao, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Olhao, March typically has an average temperature of 15°C (59°F), with highs reaching up to 21°C (70°F) and lows dropping to around 9°C (48°F).

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

March Precipitation in Olhao

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

March Precipitation Trends in Olhao

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

In Olhao in March humidity is 71%. With an average temperature of 15°C (59°F), this humidity feels like a damp embrace, making outdoor activities slightly uncomfortable and encouraging travelers to seek shade or indoor attractions to escape the muggy air.

March Average Humidity in Olhao

This chart illustrates the average monthly humidity levels in Olhao, 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 Olhao is approximately 71%, 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 Olhao

In Olhao in March, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Olhao.

Maximum UV Index Levels in Olhao for March

The chart shows the monthly maximum UV Index (UVI) for Olhao 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 Olhao typically reaches 7, which falls under the high exposure category.

Data source: Olhao 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 Olhao Compares to Other Months

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

This table compares monthly weather conditions in Olhao, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	13°C (56°F)	26 mm (1.0 inches)	80%	moderate
February Weather	14°C (58°F)	45 mm (1.8 inches)	73%	moderate
March Weather	15°C (59°F)	68 mm (2.7 inches)	71%	high
April Weather	16°C (60°F)	49 mm (1.9 inches)	69%	very high
May Weather	18°C (65°F)	14 mm (0.6 inches)	69%	very high
June Weather	20°C (68°F)	3 mm (0.1 inches)	67%	extreme
July Weather	22°C (72°F)	2 mm (0.1 inches)	69%	very high
August Weather	23°C (74°F)	0 mm (0.0 inches)	68%	very high
September Weather	22°C (72°F)	11 mm (0.4 inches)	71%	very high
October Weather	20°C (68°F)	28 mm (1.1 inches)	75%	high
November Weather	16°C (62°F)	59 mm (2.3 inches)	78%	moderate
December Weather	15°C (59°F)	44 mm (1.7 inches)	81%	moderate