January Weather in Marinhais, Portugal

Last updated: August 27, 2025

In January, the average temperature in Marinhais, Portugal hovers around 10°C (50°F), with possible fluctuations ranging from a brisk -3°C (26°F) to a warm 22°C (71°F). Precipitation is relatively light, totaling 31 mm (1.2 in) over approximately 4 days, while the air remains quite humid at an average of 85%.

January Temperature in Marinhais

In January in Marinhais, the average temperature is 10°C (50°F). Maximums can reach 22°C (71°F) and minimums can drop as low as -3°C (26°F). This is a good time to pack layers and enjoy the mild weather along with the potential for cooler evenings.

January Weather in Marinhais: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Marinhais, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Marinhais, January typically has an average temperature of 10°C (50°F), with highs reaching up to 22°C (71°F) and lows dropping to around -3°C (26°F).

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

January Precipitation in Marinhais

In Marinhais in January, the total precipitation amount is 31 mm (1.2 in) over a span of 4 days.

January Precipitation Trends in Marinhais

The chart displays monthly precipitation patterns in Marinhais, 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 Marinhais, January typically receives around 31 mm (1.2 inches) of precipitation spread over approximately 4 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 Marinhais

In Marinhais in January, humidity is 85%. With an average temperature of 10°C (50°F), this humidity feels like a heavy, damp blanket surrounding you, making travel feel sluggish and uncomfortable as you navigate through the thick, moist air.

January Average Humidity in Marinhais

This chart illustrates the average monthly humidity levels in Marinhais, 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 Marinhais is approximately 85%, 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 Marinhais

In Marinhais 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 Marinhais, you can check the information here.

Maximum UV Index Levels in Marinhais for January

The chart shows the monthly maximum UV Index (UVI) for Marinhais 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 Marinhais typically reaches 3, which falls under the moderate exposure category.

Data source: Marinhais 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 Marinhais Compares to Other Months

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

This table compares monthly weather conditions in Marinhais, 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 (50°F)	31 mm (1.2 inches)	85%	moderate
February Weather	12°C (54°F)	49 mm (1.9 inches)	75%	moderate
March Weather	14°C (57°F)	71 mm (2.8 inches)	72%	high
April Weather	15°C (60°F)	77 mm (3.0 inches)	70%	very high
May Weather	19°C (66°F)	36 mm (1.4 inches)	70%	very high
June Weather	21°C (69°F)	11 mm (0.4 inches)	63%	extreme
July Weather	23°C (73°F)	4 mm (0.2 inches)	60%	very high
August Weather	23°C (74°F)	5 mm (0.2 inches)	60%	very high
September Weather	22°C (72°F)	26 mm (1.0 inches)	67%	very high
October Weather	19°C (66°F)	43 mm (1.7 inches)	74%	high
November Weather	14°C (57°F)	77 mm (3.0 inches)	83%	moderate
December Weather	12°C (53°F)	51 mm (2.0 inches)	85%	moderate