January Weather in San Fernando, Spain

Last updated: August 27, 2025

In January, the average temperature in San Fernando, Spain hovers around 12°C (54°F), with extremes ranging from a chilly 3°C (37°F) to a pleasant 20°C (69°F). Expect about 49 mm (1.9 in) of precipitation over approximately 5 days, and a relatively high average humidity of 79%, making it a month where you’ll feel both the warmth and the dampness.

January Temperature in San Fernando

In January in San Fernando, the average temperature is 12°C (54°F). The maximum can reach 20°C (69°F), while the minimum can dip as low as 3°C (37°F). This moderate climate makes it an ideal time for travelers to explore and enjoy outdoor activities in San Fernando.

January Weather in San Fernando: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in San Fernando, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Fernando, January typically has an average temperature of 12°C (54°F), with highs reaching up to 20°C (69°F) and lows dropping to around 3°C (37°F).

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

January Precipitation in San Fernando

In San Fernando in January, the precipitation amount is 49 mm (1.9 in) spread over a period of 5 days.

January Precipitation Trends in San Fernando

The chart displays monthly precipitation patterns in San Fernando, 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 San Fernando, January typically receives around 49 mm (1.9 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 San Fernando

In San Fernando in January, humidity is 79%. With an average temperature of 12°C (54°F), this humidity makes traveling feel quite muggy, leading to a sticky discomfort that can sap your energy and make outdoor activities less enjoyable.

January Average Humidity in San Fernando

This chart illustrates the average monthly humidity levels in San Fernando, 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 San Fernando is approximately 79%, 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 San Fernando

In San Fernando 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 San Fernando, you can check the information here.

Maximum UV Index Levels in San Fernando for January

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

Data source: San Fernando 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 San Fernando Compares to Other Months

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

This table compares monthly weather conditions in San Fernando, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	12°C (54°F)	49 mm (1.9 inches)	79%	moderate
February Weather	14°C (58°F)	39 mm (1.5 inches)	71%	moderate
March Weather	15°C (59°F)	87 mm (3.4 inches)	67%	high
April Weather	16°C (62°F)	66 mm (2.6 inches)	60%	very high
May Weather	20°C (68°F)	25 mm (1.0 inches)	59%	very high
June Weather	22°C (71°F)	5 mm (0.2 inches)	52%	extreme
July Weather	24°C (75°F)	0 mm (0.0 inches)	54%	very high
August Weather	25°C (77°F)	2 mm (0.1 inches)	51%	very high
September Weather	24°C (75°F)	13 mm (0.5 inches)	59%	very high
October Weather	21°C (69°F)	49 mm (1.9 inches)	68%	high
November Weather	16°C (62°F)	92 mm (3.6 inches)	77%	moderate
December Weather	14°C (58°F)	54 mm (2.1 inches)	81%	moderate