January Weather in Chaves, Portugal

Last updated: August 27, 2025

In Chaves, Portugal, the average temperature in January hovers around 5°C (42°F). You can expect lows of -5°C (22°F) and highs reaching 16°C (62°F). During this month, precipitation averages 43 mm (1.7 in) over 5 days, accompanied by a high humidity level of 87%. Stay prepared for a mix of brisk and damp conditions!

January Temperature in Chaves

In January in Chaves, the average temperature is 5°C (42°F). Maximum temperatures can reach 16°C (62°F), while minimums can drop as low as -5°C (22°F). Pack accordingly for varying temperatures to ensure a comfortable travel experience.

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

The chart illustrates January temperature patterns in Chaves, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Chaves, January typically has an average temperature of 5°C (42°F), with highs reaching up to 16°C (62°F) and lows dropping to around -5°C (22°F).

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

January Precipitation in Chaves

In Chaves in January, the precipitation amount is 43 mm (1.7 in) over the course of 5 days.

January Precipitation Trends in Chaves

The chart displays monthly precipitation patterns in Chaves, 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 Chaves, January typically receives around 43 mm (1.7 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 Chaves

In Chaves 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 Chaves

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

In Chaves in January, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in Chaves, you can visit Hourly UV Index in Chaves.

Maximum UV Index Levels in Chaves for January

The chart shows the monthly maximum UV Index (UVI) for Chaves 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 Chaves typically reaches 2, which falls under the low exposure category.

Data source: Chaves 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 Chaves Compares to Other Months

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

This table compares monthly weather conditions in Chaves, 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)	43 mm (1.7 inches)	87%	low
February Weather	8°C (46°F)	87 mm (3.4 inches)	81%	moderate
March Weather	9°C (48°F)	90 mm (3.5 inches)	78%	high
April Weather	11°C (52°F)	90 mm (3.5 inches)	79%	very high
May Weather	15°C (59°F)	49 mm (1.9 inches)	78%	very high
June Weather	18°C (64°F)	39 mm (1.5 inches)	71%	extreme
July Weather	21°C (69°F)	19 mm (0.8 inches)	63%	very high
August Weather	20°C (69°F)	15 mm (0.6 inches)	64%	very high
September Weather	18°C (65°F)	30 mm (1.2 inches)	71%	very high
October Weather	14°C (57°F)	71 mm (2.8 inches)	79%	high
November Weather	9°C (48°F)	80 mm (3.2 inches)	86%	moderate
December Weather	7°C (45°F)	114 mm (4.5 inches)	87%	low