January Weather in Arronches, Portugal

Last updated: August 27, 2025

In Arronches, Portugal, the average temperature in January hovers around 8°C (47°F), with a minimum dipping to -3°C (27°F) and a maximum rising to 20°C (68°F). Expect around 30 mm (1.2 in) of precipitation spread over 5 days, accompanied by a high average humidity of 87%.

January Temperature in Arronches

In January in Arronches, the average temperature is 8°C (47°F), with maximums reaching 20°C (68°F) and minimums dropping as low as -3°C (27°F). This range suggests that travelers should be prepared for both mild and chilly weather during their visit.

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

The chart illustrates January temperature patterns in Arronches, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Arronches, January typically has an average temperature of 8°C (47°F), with highs reaching up to 20°C (68°F) and lows dropping to around -3°C (27°F).

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

January Precipitation in Arronches

In Arronches in January, the precipitation amount is 30 mm (1.2 in) over the course of 5 days.

January Precipitation Trends in Arronches

The chart displays monthly precipitation patterns in Arronches, 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 Arronches, January typically receives around 30 mm (1.2 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 Arronches

In Arronches in January, humidity is 87%. With an average temperature of 8°C (47°F), this humidity feels like a damp chill that clings to your skin, making outdoor exploration uncomfortably muggy despite the cool air.

January Average Humidity in Arronches

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

In Arronches 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 Arronches, you can check the information here.

Maximum UV Index Levels in Arronches for January

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

Data source: Arronches 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 Arronches Compares to Other Months

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

This table compares monthly weather conditions in Arronches, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	8°C (47°F)	30 mm (1.2 inches)	87%	moderate
February Weather	11°C (52°F)	44 mm (1.7 inches)	76%	moderate
March Weather	12°C (54°F)	81 mm (3.2 inches)	68%	high
April Weather	15°C (58°F)	74 mm (2.9 inches)	64%	very high
May Weather	19°C (67°F)	34 mm (1.3 inches)	62%	very high
June Weather	22°C (72°F)	11 mm (0.4 inches)	47%	extreme
July Weather	25°C (77°F)	3 mm (0.1 inches)	46%	very high
August Weather	26°C (79°F)	4 mm (0.2 inches)	42%	very high
September Weather	23°C (74°F)	27 mm (1.0 inches)	53%	very high
October Weather	18°C (65°F)	46 mm (1.8 inches)	69%	high
November Weather	13°C (55°F)	67 mm (2.6 inches)	85%	moderate
December Weather	10°C (51°F)	61 mm (2.4 inches)	87%	moderate