January Weather in Valongo, Portugal

Last updated: August 27, 2025

In January, the average temperature in Valongo, Portugal hovers around 9°C (49°F), with a minimum dropping to -2°C (29°F) and a maximum reaching up to 21°C (69°F). Expect 70 mm (2.7 in) of precipitation over about 7 days, and be prepared for a cozy average humidity of 87%.

January Temperature in Valongo

In January, in Valongo, the average temperature is 9°C (49°F). Maximums can reach 21°C (69°F), while minimums can drop as low as -2°C (29°F). This makes Valongo a destination with a refreshing climate, perfect for travelers looking to experience a mix of mild temperatures and cooler days.

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

The chart illustrates January temperature patterns in Valongo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Valongo, January typically has an average temperature of 9°C (49°F), with highs reaching up to 21°C (69°F) and lows dropping to around -2°C (29°F).

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

January Precipitation in Valongo

In Valongo in January, the precipitation amount is 70 mm (2.7 in) over a period of 7 days.

January Precipitation Trends in Valongo

The chart displays monthly precipitation patterns in Valongo, 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 Valongo, January typically receives around 70 mm (2.7 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 Valongo

In Valongo in January humidity is 87%. With an average temperature of 9°C (49°F), this humidity feels like a damp blanket wrapping around you, making travel uncomfortable and leaving you yearning for a dry breeze to refresh your spirit.

January Average Humidity in Valongo

This chart illustrates the average monthly humidity levels in Valongo, 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 Valongo 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 Valongo

In Valongo 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 Valongo, you can check the information here.

Maximum UV Index Levels in Valongo for January

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

Data source: Valongo 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 Valongo Compares to Other Months

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

This table compares monthly weather conditions in Valongo, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	9°C (49°F)	70 mm (2.7 inches)	87%	moderate
February Weather	11°C (53°F)	101 mm (4.0 inches)	81%	moderate
March Weather	12°C (55°F)	121 mm (4.8 inches)	78%	high
April Weather	14°C (58°F)	121 mm (4.8 inches)	79%	very high
May Weather	17°C (64°F)	60 mm (2.4 inches)	78%	very high
June Weather	19°C (66°F)	35 mm (1.4 inches)	71%	extreme
July Weather	21°C (70°F)	11 mm (0.4 inches)	63%	very high
August Weather	21°C (70°F)	12 mm (0.5 inches)	64%	very high
September Weather	20°C (69°F)	37 mm (1.4 inches)	71%	very high
October Weather	17°C (63°F)	94 mm (3.7 inches)	79%	high
November Weather	13°C (55°F)	133 mm (5.3 inches)	86%	moderate
December Weather	11°C (52°F)	135 mm (5.3 inches)	87%	low