January Weather in San Isidro, Spain

Last updated: August 27, 2025

In January, the average temperature in San Isidro, Spain is a comfortable 11°C (51°F). However, temperatures can vary significantly, with a minimum of -1°C (31°F) and a maximum soaring to 28°C (83°F). The region experiences an average precipitation of 36 mm (1.4 in) over just 3 days, coupled with a high average humidity of 78%.

January Temperature in San Isidro

In January in San Isidro, the average temperature is 11°C (51°F). The maximum can reach 28°C (83°F) and the minimum can be as low as -1°C (31°F). Be prepared for a wide range of temperatures when planning your trip.

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

The chart illustrates January temperature patterns in San Isidro, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Isidro, January typically has an average temperature of 11°C (51°F), with highs reaching up to 28°C (83°F) and lows dropping to around -1°C (31°F).

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

January Precipitation in San Isidro

In San Isidro in January, the precipitation amount is 36 mm (1.4 in) over a period of 3 days.

January Precipitation Trends in San Isidro

The chart displays monthly precipitation patterns in San Isidro, 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 Isidro, January typically receives around 36 mm (1.4 inches) of precipitation spread over approximately 3 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 Isidro

In San Isidro in January, humidity is 78%. With an average temperature of 11°C (51°F), this humidity feels like a damp chill that lingers in the air, making outdoor activities less inviting and leading to a persistent sense of coolness that can be invigorating yet uncomfortable for travelers.

January Average Humidity in San Isidro

This chart illustrates the average monthly humidity levels in San Isidro, 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 Isidro is approximately 78%, 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 Isidro

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

Maximum UV Index Levels in San Isidro for January

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

Data source: San Isidro 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 Isidro Compares to Other Months

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

This table compares monthly weather conditions in San Isidro, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	11°C (51°F)	36 mm (1.4 inches)	78%	moderate
February Weather	13°C (55°F)	12 mm (0.5 inches)	75%	moderate
March Weather	14°C (58°F)	46 mm (1.8 inches)	64%	high
April Weather	16°C (61°F)	52 mm (2.0 inches)	58%	very high
May Weather	20°C (69°F)	25 mm (1.0 inches)	53%	very high
June Weather	24°C (76°F)	28 mm (1.1 inches)	49%	extreme
July Weather	27°C (81°F)	4 mm (0.1 inches)	51%	extreme
August Weather	27°C (81°F)	23 mm (0.9 inches)	51%	very high
September Weather	24°C (76°F)	58 mm (2.3 inches)	58%	very high
October Weather	19°C (67°F)	33 mm (1.3 inches)	71%	high
November Weather	15°C (59°F)	37 mm (1.5 inches)	76%	moderate
December Weather	12°C (54°F)	16 mm (0.6 inches)	80%	moderate