February Weather in San Juan, Argentina

Last updated: August 22, 2025

In February, the average temperature in San Juan, Argentina hovers around 25°C (77°F). However, be prepared for a range: the minimum can dip to 12°C (53°F), while highs may reach a sizzling 40°C (105°F). Expect 17 mm (0.7 in) of precipitation spread over about 3 days, and enjoy a comfortable average humidity level of 48%.

February Temperature in San Juan

In February in San Juan, the average temperature is 25°C (77°F), with maximums reaching up to 40°C (105°F) and minimums dropping as low as 12°C (53°F). This climate makes it a perfect time for travelers to explore outdoor activities early in the morning or later in the evening to avoid the heat of the day.

February Weather in San Juan: Daily Temperature Highs, Lows, and Averages

The chart illustrates February temperature patterns in San Juan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Juan, February typically has an average temperature of 25°C (77°F), with highs reaching up to 40°C (105°F) and lows dropping to around 12°C (53°F).

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

February Precipitation in San Juan

In San Juan in February, the precipitation amount is 17 mm (0.7 in) over the course of 3 days.

February Precipitation Trends in San Juan

The chart displays monthly precipitation patterns in San Juan, with values for each month alongside February’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how February’s conditions compare to those of other months. In San Juan, February typically receives around 17 mm (0.7 inches) of precipitation spread over approximately 3 days.

Data source: Precipitation data for February generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

February Humidity in San Juan

In San Juan in February, humidity is 48%. With an average temperature of 25°C (77°F), this humidity feels like a pleasant, mild warmth, perfect for leisurely exploration and outdoor activities without the discomfort of muggy conditions.

February Average Humidity in San Juan

This chart illustrates the average monthly humidity levels in San Juan, with February’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In February, average humidity in San Juan is approximately 48%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for February generated using information from the Copernicus Climate Change Service.

February UV Index in San Juan

In San Juan in February, the maximum UV index is 14, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, so it's crucial to take precautions. For the detailed hourly UV index in San Juan, you can check here.

Maximum UV Index Levels in San Juan for February

The chart shows the monthly maximum UV Index (UVI) for San Juan in February, 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 February, the maximum UV index in San Juan typically reaches 14, which falls under the extreme exposure category.

Data source: San Juan February 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 February Weather in San Juan Compares to Other Months

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

This table compares monthly weather conditions in San Juan, showing how February’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	27°C (80°F)	19 mm (0.8 inches)	44%	extreme
February Weather	25°C (77°F)	17 mm (0.7 inches)	48%	extreme
March Weather	22°C (72°F)	17 mm (0.7 inches)	56%	extreme
April Weather	18°C (65°F)	15 mm (0.6 inches)	67%	very high
May Weather	14°C (57°F)	11 mm (0.4 inches)	66%	high
June Weather	9°C (49°F)	6 mm (0.2 inches)	58%	moderate
July Weather	9°C (48°F)	8 mm (0.3 inches)	58%	moderate
August Weather	12°C (54°F)	3 mm (0.1 inches)	52%	high
September Weather	16°C (61°F)	12 mm (0.5 inches)	45%	very high
October Weather	19°C (67°F)	13 mm (0.5 inches)	43%	extreme
November Weather	23°C (73°F)	14 mm (0.5 inches)	41%	extreme
December Weather	25°C (77°F)	18 mm (0.7 inches)	37%	extreme