January Weather in Portel, Portugal

Last updated: August 27, 2025

In January, the average temperature in Portel, Portugal hovers around 9°C (49°F). Expect a range from a chilly -2°C (29°F) at the minimum to a pleasant 22°C (71°F) at the maximum. Be prepared for 29 mm (1.1 in) of precipitation spread over 4 days, contributing to an average humidity of a damp 85%.

January Temperature in Portel

In January in Portel, the average temperature is 9°C (49°F). Maximums can reach 22°C (71°F) and minimums can be as low as -2°C (29°F). Travelers should be prepared for a range of temperatures and pack accordingly to enjoy their visit to Portel.

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

The chart illustrates January temperature patterns in Portel, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Portel, January typically has an average temperature of 9°C (49°F), with highs reaching up to 22°C (71°F) and lows dropping to around -2°C (29°F).

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

January Precipitation in Portel

In Portel in January, the precipitation amount is 29 mm (1.1 in) over a span of 4 days.

January Precipitation Trends in Portel

The chart displays monthly precipitation patterns in Portel, 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 Portel, January typically receives around 29 mm (1.1 inches) of precipitation spread over approximately 4 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 Portel

In Portel in January humidity is 85%. With an average temperature of 9°C (49°F), this humidity feels like a damp chill that seeps into your bones, making every step outside a challenge as the moisture in the air weighs heavily and lingers, transforming even simple outings into a quest for comfort.

January Average Humidity in Portel

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

In Portel 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 Portel, you can check the information here.

Maximum UV Index Levels in Portel for January

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

Data source: Portel 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 Portel Compares to Other Months

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

This table compares monthly weather conditions in Portel, 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)	29 mm (1.1 inches)	85%	moderate
February Weather	12°C (53°F)	44 mm (1.7 inches)	75%	moderate
March Weather	13°C (56°F)	87 mm (3.4 inches)	72%	high
April Weather	15°C (60°F)	66 mm (2.6 inches)	70%	very high
May Weather	20°C (67°F)	29 mm (1.1 inches)	70%	very high
June Weather	22°C (72°F)	9 mm (0.4 inches)	63%	extreme
July Weather	25°C (76°F)	2 mm (0.1 inches)	60%	very high
August Weather	26°C (78°F)	2 mm (0.1 inches)	60%	very high
September Weather	23°C (74°F)	23 mm (0.9 inches)	67%	very high
October Weather	19°C (67°F)	45 mm (1.8 inches)	74%	high
November Weather	13°C (57°F)	56 mm (2.2 inches)	83%	moderate
December Weather	11°C (52°F)	52 mm (2.0 inches)	85%	moderate