January Weather in Sao Marcos da Serra, Portugal

Last updated: August 27, 2025

In January, the average temperature in Sao Marcos da Serra, Portugal hovers around 10°C (51°F). Expect a minimum chill of -2°C (29°F) and a daytime high reaching up to 21°C (70°F). With an average humidity of 80%, you'll feel the moisture in the air, complemented by 24 mm (0.9 in) of precipitation spread across 3 days.

January Temperature in Sao Marcos da Serra

In January in Sao Marcos da Serra, the average temperature is 10°C (51°F), with maximums reaching up to 21°C (70°F) and minimums dipping as low as -2°C (29°F). Travelers should be prepared for a range of temperatures, making layers essential for comfort during their visit.

January Weather in Sao Marcos da Serra: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Sao Marcos da Serra, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sao Marcos da Serra, January typically has an average temperature of 10°C (51°F), with highs reaching up to 21°C (70°F) and lows dropping to around -2°C (29°F).

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

January Precipitation in Sao Marcos da Serra

In Sao Marcos da Serra in January, the precipitation amount is 24 mm (0.9 in) over a span of 3 days.

January Precipitation Trends in Sao Marcos da Serra

The chart displays monthly precipitation patterns in Sao Marcos da Serra, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In Sao Marcos da Serra, January typically receives around 24 mm (0.9 inches) of precipitation spread over approximately 3 days.

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

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Millimeters (mm) Inches (in)

January Humidity in Sao Marcos da Serra

In Sao Marcos da Serra in January, humidity is 80%. With an average temperature of 10°C (51°F), this humidity feels like a damp layer clinging to the skin, making outdoor activities uncomfortable and requiring travelers to dress in layers to cope with the chill and moisture in the air.

January Average Humidity in Sao Marcos da Serra

This chart illustrates the average monthly humidity levels in Sao Marcos da Serra, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in Sao Marcos da Serra is approximately 80%, offering insight into how humid the weather typically is during this month.

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

January UV Index in Sao Marcos da Serra

In Sao Marcos da Serra in January, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Sao Marcos da Serra, you can check the information here.

Maximum UV Index Levels in Sao Marcos da Serra for January

The chart shows the monthly maximum UV Index (UVI) for Sao Marcos da Serra in January, 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 January, the maximum UV index in Sao Marcos da Serra typically reaches 3, which falls under the moderate exposure category.

Data source: Sao Marcos da Serra January 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 January Weather in Sao Marcos da Serra Compares to Other Months

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

This table compares monthly weather conditions in Sao Marcos da Serra, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	10°C (51°F)	24 mm (0.9 inches)	80%	moderate
February Weather	12°C (55°F)	44 mm (1.7 inches)	73%	moderate
March Weather	14°C (57°F)	78 mm (3.1 inches)	71%	high
April Weather	15°C (60°F)	65 mm (2.5 inches)	69%	very high
May Weather	19°C (66°F)	23 mm (0.9 inches)	69%	very high
June Weather	21°C (69°F)	8 mm (0.3 inches)	67%	extreme
July Weather	23°C (74°F)	3 mm (0.1 inches)	69%	very high
August Weather	24°C (75°F)	1 mm (0.0 inches)	68%	very high
September Weather	22°C (73°F)	8 mm (0.3 inches)	71%	very high
October Weather	19°C (67°F)	32 mm (1.2 inches)	75%	high
November Weather	14°C (58°F)	49 mm (1.9 inches)	78%	moderate
December Weather	12°C (54°F)	45 mm (1.8 inches)	81%	moderate