January Weather in San Lorenzo, Argentina

Last updated: August 22, 2025

In San Lorenzo, Argentina, the average temperature in January hovers around 27°C (82°F). However, prepare for a range as it can dip to a cool 14°C (57°F) and soar to a scorching 43°C (109°F). Expect about 166 mm (6.5 in) of precipitation over 10 days, accompanied by an average humidity of 66%.

January Temperature in San Lorenzo

In January in San Lorenzo, the average temperature is 27°C (82°F). Maximums can reach 43°C (109°F), while minimums can dip as low as 14°C (57°F). It's advisable to pack both lightweight clothing for the heat and layers for cooler evenings when traveling.

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

The chart illustrates January temperature patterns in San Lorenzo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Lorenzo, January typically has an average temperature of 27°C (82°F), with highs reaching up to 43°C (109°F) and lows dropping to around 14°C (57°F).

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

January Precipitation in San Lorenzo

In San Lorenzo in January, the precipitation amount is 166 mm (6.5 in) over a span of 10 days.

January Precipitation Trends in San Lorenzo

The chart displays monthly precipitation patterns in San Lorenzo, 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 Lorenzo, January typically receives around 166 mm (6.5 inches) of precipitation spread over approximately 10 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 Lorenzo

In San Lorenzo in January humidity is 66%. With an average temperature of 27°C (82°F), this humidity feels like a warm blanket that wraps around you, making travel sticky and slightly uncomfortable, but still manageable as long as you stay hydrated and take breaks in the shade.

January Average Humidity in San Lorenzo

This chart illustrates the average monthly humidity levels in San Lorenzo, 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 Lorenzo is approximately 66%, 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 Lorenzo

In San Lorenzo in January, the maximum UV index reaches an alarming 15, which falls into the extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take precautions. For detailed information, you can check the Hourly UV Index in San Lorenzo.

Maximum UV Index Levels in San Lorenzo for January

The chart shows the monthly maximum UV Index (UVI) for San Lorenzo 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 Lorenzo typically reaches 15, which falls under the extreme exposure category.

Data source: San Lorenzo 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 Lorenzo Compares to Other Months

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

This table compares monthly weather conditions in San Lorenzo, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	27°C (82°F)	166 mm (6.5 inches)	66%	extreme
February Weather	26°C (80°F)	68 mm (2.7 inches)	61%	extreme
March Weather	24°C (76°F)	131 mm (5.2 inches)	71%	extreme
April Weather	21°C (71°F)	136 mm (5.4 inches)	81%	very high
May Weather	18°C (64°F)	125 mm (4.9 inches)	84%	high
June Weather	16°C (60°F)	61 mm (2.4 inches)	76%	moderate
July Weather	15°C (59°F)	39 mm (1.5 inches)	64%	moderate
August Weather	17°C (63°F)	42 mm (1.7 inches)	46%	high
September Weather	20°C (68°F)	98 mm (3.9 inches)	55%	very high
October Weather	22°C (72°F)	115 mm (4.5 inches)	57%	extreme
November Weather	24°C (76°F)	142 mm (5.6 inches)	59%	extreme
December Weather	26°C (79°F)	90 mm (3.5 inches)	75%	extreme