January Weather in Arruda dos Vinhos, Portugal

Last updated: August 27, 2025

In Arruda dos Vinhos, Portugal, the average temperature in January hovers around 10°C (50°F). Expect a chilly minimum of -2°C (29°F) and a pleasantly warm maximum of 20°C (69°F). This month sees about 37 mm (1.4 in) of precipitation over 5 days, with humidity levels at a notable 85%.

January Temperature in Arruda dos Vinhos

In January in Arruda dos Vinhos, the average temperature is 10°C (50°F). Maximums can reach 20°C (69°F), while minimums can drop as low as -2°C (29°F). Travelers should pack layered clothing to adapt to the varying temperatures throughout the day.

January Weather in Arruda dos Vinhos: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Arruda dos Vinhos, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Arruda dos Vinhos, January typically has an average temperature of 10°C (50°F), with highs reaching up to 20°C (69°F) and lows dropping to around -2°C (29°F).

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

January Precipitation in Arruda dos Vinhos

In Arruda dos Vinhos in January, the precipitation amount is 37 mm (1.4 in) spread over a duration of 5 days.

January Precipitation Trends in Arruda dos Vinhos

The chart displays monthly precipitation patterns in Arruda dos Vinhos, 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 Arruda dos Vinhos, January typically receives around 37 mm (1.4 inches) of precipitation spread over approximately 5 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 Arruda dos Vinhos

In Arruda dos Vinhos 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 Arruda dos Vinhos

This chart illustrates the average monthly humidity levels in Arruda dos Vinhos, 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 Arruda dos Vinhos 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 Arruda dos Vinhos

In Arruda dos Vinhos 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 Arruda dos Vinhos, you can check the information here.

Maximum UV Index Levels in Arruda dos Vinhos for January

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

Data source: Arruda dos Vinhos 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 Arruda dos Vinhos Compares to Other Months

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

This table compares monthly weather conditions in Arruda dos Vinhos, 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)	37 mm (1.4 inches)	85%	moderate
February Weather	12°C (54°F)	52 mm (2.1 inches)	75%	moderate
March Weather	13°C (56°F)	73 mm (2.9 inches)	72%	high
April Weather	15°C (59°F)	83 mm (3.3 inches)	70%	very high
May Weather	18°C (65°F)	42 mm (1.6 inches)	70%	very high
June Weather	19°C (67°F)	12 mm (0.5 inches)	63%	extreme
July Weather	21°C (71°F)	5 mm (0.2 inches)	60%	very high
August Weather	22°C (72°F)	4 mm (0.2 inches)	60%	very high
September Weather	21°C (70°F)	29 mm (1.1 inches)	67%	very high
October Weather	18°C (65°F)	47 mm (1.9 inches)	74%	high
November Weather	14°C (57°F)	84 mm (3.3 inches)	83%	moderate
December Weather	12°C (54°F)	60 mm (2.4 inches)	85%	moderate