January Weather in San Isidro, Spain

Last updated: August 27, 2025

In January, the average temperature in San Isidro, Spain hovers around 17°C (63°F). Expect a comfortable range, with minimums around 13°C (56°F) and maximums reaching 23°C (74°F). Rainfall is typically moderate, with 36 mm (1.4 in) of precipitation spread across about 5 days. Humidity averages at a pleasant 73%, creating a mild and enjoyable atmosphere.

January Temperature in San Isidro

In January in San Isidro, the average temperature is 17°C (63°F). The maximum can reach 23°C (74°F), while the minimum can drop to as low as 13°C (56°F). This makes it an ideal time for travelers to enjoy mild weather and outdoor activities.

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 17°C (63°F), with highs reaching up to 23°C (74°F) and lows dropping to around 13°C (56°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 the course of 5 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 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 Isidro

In San Isidro in January humidity is 73%. With an average temperature of 17°C (63°F), this humidity feels like a warm embrace, making it ideal for leisurely strolling through vibrant markets or exploring outdoor attractions, though travelers may want to stay hydrated and take breaks in shaded areas to fully enjoy the atmosphere.

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 73%, 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 reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in San Isidro.

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 5, 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	17°C (63°F)	36 mm (1.4 inches)	73%	moderate
February Weather	17°C (63°F)	38 mm (1.5 inches)	76%	high
March Weather	17°C (62°F)	43 mm (1.7 inches)	81%	very high
April Weather	17°C (63°F)	52 mm (2.0 inches)	83%	extreme
May Weather	19°C (66°F)	35 mm (1.4 inches)	82%	extreme
June Weather	20°C (68°F)	14 mm (0.6 inches)	85%	extreme
July Weather	22°C (72°F)	2 mm (0.1 inches)	89%	extreme
August Weather	23°C (74°F)	1 mm (0.1 inches)	90%	extreme
September Weather	22°C (72°F)	9 mm (0.4 inches)	88%	extreme
October Weather	22°C (71°F)	22 mm (0.9 inches)	85%	very high
November Weather	20°C (67°F)	31 mm (1.2 inches)	80%	high
December Weather	18°C (65°F)	25 mm (1.0 inches)	74%	high