January Weather in Trevoes, Portugal

Last updated: August 27, 2025

In January, the average temperature in Trevoes, Portugal hovers around 5°C (42°F). Expect minimum temperatures to dip to -4°C (24°F) and a maximum of 18°C (64°F). This month brings about 34 mm (1.3 in) of precipitation spread over 5 days, contributing to an average humidity of 87%.

January Temperature in Trevoes

In January in Trevoes, the average temperature is 5°C (42°F). Maximums can reach 18°C (64°F), while minimums can drop as low as -4°C (24°F). This makes it essential for travelers to pack layers to stay comfortable in fluctuating temperatures.

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

The chart illustrates January temperature patterns in Trevoes, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Trevoes, January typically has an average temperature of 5°C (42°F), with highs reaching up to 18°C (64°F) and lows dropping to around -4°C (24°F).

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

January Precipitation in Trevoes

In Trevoes in January, the precipitation amount is 34 mm (1.3 in) over the course of 5 days.

January Precipitation Trends in Trevoes

The chart displays monthly precipitation patterns in Trevoes, 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 Trevoes, January typically receives around 34 mm (1.3 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 Trevoes

In Trevoes in January humidity is 87%. With an average temperature of 5°C (42°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities less enjoyable and travel less inviting as the air becomes heavy and oppressive.

January Average Humidity in Trevoes

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

In Trevoes 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 Trevoes, you can check the information here.

Maximum UV Index Levels in Trevoes for January

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

Data source: Trevoes 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 Trevoes Compares to Other Months

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

This table compares monthly weather conditions in Trevoes, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	5°C (42°F)	34 mm (1.3 inches)	87%	moderate
February Weather	8°C (47°F)	69 mm (2.7 inches)	81%	moderate
March Weather	10°C (49°F)	79 mm (3.1 inches)	78%	high
April Weather	12°C (54°F)	85 mm (3.4 inches)	79%	very high
May Weather	16°C (61°F)	34 mm (1.3 inches)	78%	very high
June Weather	18°C (65°F)	37 mm (1.5 inches)	71%	extreme
July Weather	21°C (70°F)	17 mm (0.7 inches)	63%	very high
August Weather	21°C (70°F)	14 mm (0.6 inches)	64%	very high
September Weather	19°C (66°F)	37 mm (1.5 inches)	71%	very high
October Weather	15°C (59°F)	59 mm (2.3 inches)	79%	high
November Weather	9°C (49°F)	72 mm (2.8 inches)	86%	moderate
December Weather	7°C (45°F)	85 mm (3.3 inches)	87%	low