January Weather in Vales do Rio, Portugal

Last updated: August 27, 2025

In January, the average temperature in Vales do Rio, Portugal hovers around 6°C (43°F), with a minimum dipping to -4°C (25°F) and a maximum soaring to 16°C (61°F). Expect 57 mm (2.2 in) of precipitation spread over 6 days, contributing to an average humidity of 87%. Whether you're enjoying the crisp air or cozying up indoors, this month offers a unique experience in Vales do Rio!

January Temperature in Vales do Rio

In January in Vales do Rio, the average temperature is 6°C (43°F), with maximums reaching 16°C (61°F) and minimums dropping as low as -4°C (25°F). This varied climate makes Vales do Rio an ideal destination for travelers seeking both cool and mild weather experiences.

January Weather in Vales do Rio: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Vales do Rio, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Vales do Rio, January typically has an average temperature of 6°C (43°F), with highs reaching up to 16°C (61°F) and lows dropping to around -4°C (25°F).

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

January Precipitation in Vales do Rio

In Vales do Rio in January, the precipitation amount is 57 mm (2.2 in) over a span of 6 days.

January Precipitation Trends in Vales do Rio

The chart displays monthly precipitation patterns in Vales do Rio, 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 Vales do Rio, January typically receives around 57 mm (2.2 inches) of precipitation spread over approximately 6 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 Vales do Rio

In Vales do Rio in January, humidity is 87%. With an average temperature of 6°C (43°F), this humidity feels like a damp chill that clings to your skin, making outdoor activities uncomfortable and necessitating warm, breathable layers for traveling.

January Average Humidity in Vales do Rio

This chart illustrates the average monthly humidity levels in Vales do Rio, 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 Vales do Rio 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 Vales do Rio

In Vales do Rio 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 Vales do Rio, you can check the information here.

Maximum UV Index Levels in Vales do Rio for January

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

Data source: Vales do Rio 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 Vales do Rio Compares to Other Months

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

This table compares monthly weather conditions in Vales do Rio, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	6°C (43°F)	57 mm (2.2 inches)	87%	moderate
February Weather	8°C (47°F)	93 mm (3.6 inches)	81%	moderate
March Weather	10°C (49°F)	124 mm (4.9 inches)	78%	high
April Weather	12°C (54°F)	121 mm (4.8 inches)	79%	very high
May Weather	16°C (61°F)	59 mm (2.3 inches)	78%	very high
June Weather	19°C (66°F)	37 mm (1.4 inches)	71%	extreme
July Weather	22°C (72°F)	13 mm (0.5 inches)	63%	very high
August Weather	22°C (72°F)	16 mm (0.6 inches)	64%	very high
September Weather	19°C (67°F)	48 mm (1.9 inches)	71%	very high
October Weather	15°C (60°F)	91 mm (3.6 inches)	79%	high
November Weather	10°C (49°F)	133 mm (5.2 inches)	86%	moderate
December Weather	8°C (46°F)	120 mm (4.7 inches)	87%	moderate