January Weather in Alfarelos, Portugal

Last updated: August 27, 2025

In January, the average temperature in Alfarelos, Portugal hovers around 10°C (51°F), with a minimum dipping to 1°C (33°F) and a maximum reaching 20°C (68°F). Expect about 63 mm (2.5 in) of precipitation spread over approximately 7 days, accompanied by a notably high average humidity of 87%. Be prepared for a mix of cool and damp conditions!

January Temperature in Alfarelos

In January in Alfarelos, the average temperature is 10°C (51°F). Maximum temperatures can reach 20°C (68°F), while minimums can drop as low as 1°C (33°F). This mild climate makes it a great time for outdoor activities and exploring the local attractions.

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

The chart illustrates January temperature patterns in Alfarelos, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Alfarelos, January typically has an average temperature of 10°C (51°F), with highs reaching up to 20°C (68°F) and lows dropping to around 1°C (33°F).

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

January Precipitation in Alfarelos

In Alfarelos in January, the precipitation amount is 63 mm (2.5 in) over a span of 7 days.

January Precipitation Trends in Alfarelos

The chart displays monthly precipitation patterns in Alfarelos, 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 Alfarelos, January typically receives around 63 mm (2.5 inches) of precipitation spread over approximately 7 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 Alfarelos

In Alfarelos in January humidity is 87%. With an average temperature of 10°C (51°F), this humidity feels like a heavy blanket enveloping you, making outdoor activities uncomfortable and sticky, and often requiring frequent breaks to stay hydrated and cool.

January Average Humidity in Alfarelos

This chart illustrates the average monthly humidity levels in Alfarelos, 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 Alfarelos is approximately 87%, 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 Alfarelos

In Alfarelos 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 Alfarelos, you can check the information here.

Maximum UV Index Levels in Alfarelos for January

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

Data source: Alfarelos 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 Alfarelos Compares to Other Months

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

This table compares monthly weather conditions in Alfarelos, 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)	63 mm (2.5 inches)	87%	moderate
February Weather	12°C (54°F)	85 mm (3.3 inches)	81%	moderate
March Weather	13°C (55°F)	103 mm (4.1 inches)	78%	high
April Weather	14°C (58°F)	104 mm (4.1 inches)	79%	very high
May Weather	17°C (63°F)	58 mm (2.3 inches)	78%	very high
June Weather	18°C (65°F)	29 mm (1.1 inches)	71%	very high
July Weather	20°C (68°F)	9 mm (0.4 inches)	63%	very high
August Weather	20°C (68°F)	9 mm (0.3 inches)	64%	very high
September Weather	20°C (67°F)	30 mm (1.2 inches)	71%	very high
October Weather	17°C (63°F)	90 mm (3.5 inches)	79%	high
November Weather	14°C (57°F)	122 mm (4.8 inches)	86%	moderate
December Weather	12°C (54°F)	110 mm (4.3 inches)	87%	low