January Weather in Sils, Spain

Last updated: August 27, 2025

In January, the average temperature in Sils, Spain hovers around 7°C (45°F). While the minimum can drop to a chilly -3°C (28°F), you can also experience highs of 20°C (69°F). Expect about 74 mm (2.9 in) of precipitation over 6 days, contributing to a relatively high average humidity of 77%.

January Temperature in Sils

In January in Sils, the average temperature is 7°C (45°F). Maximums can reach 20°C (69°F) while minimums can be as low as -3°C (28°F). This variation in temperature makes Sils an ideal destination for travelers looking to experience diverse weather conditions.

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

The chart illustrates January temperature patterns in Sils, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sils, January typically has an average temperature of 7°C (45°F), with highs reaching up to 20°C (69°F) and lows dropping to around -3°C (28°F).

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

January Precipitation in Sils

In Sils in January, the total precipitation amount is 74 mm (2.9 in), spread over a period of 6 days.

January Precipitation Trends in Sils

The chart displays monthly precipitation patterns in Sils, 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 Sils, January typically receives around 74 mm (2.9 inches) of precipitation spread over approximately 6 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 Sils

In Sils in January, humidity is 77%. With an average temperature of 7°C (45°F), this humidity feels like a damp chill that clings to your skin, making it important to dress in layers for comfort while exploring the area.

January Average Humidity in Sils

This chart illustrates the average monthly humidity levels in Sils, 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 Sils is approximately 77%, 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 Sils

In Sils 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 Sils, you can check the information here.

Maximum UV Index Levels in Sils for January

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

Data source: Sils 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 Sils Compares to Other Months

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

This table compares monthly weather conditions in Sils, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	7°C (45°F)	74 mm (2.9 inches)	77%	moderate
February Weather	10°C (50°F)	52 mm (2.1 inches)	73%	moderate
March Weather	11°C (52°F)	58 mm (2.3 inches)	75%	moderate
April Weather	13°C (56°F)	79 mm (3.1 inches)	77%	high
May Weather	17°C (63°F)	72 mm (2.8 inches)	78%	very high
June Weather	22°C (72°F)	48 mm (1.9 inches)	77%	very high
July Weather	24°C (76°F)	56 mm (2.2 inches)	78%	very high
August Weather	24°C (76°F)	54 mm (2.1 inches)	75%	very high
September Weather	21°C (69°F)	96 mm (3.8 inches)	73%	high
October Weather	17°C (62°F)	129 mm (5.1 inches)	77%	high
November Weather	11°C (53°F)	79 mm (3.1 inches)	77%	moderate
December Weather	9°C (48°F)	37 mm (1.5 inches)	74%	low