October Weather in San Jose, Argentina

Last updated: August 22, 2025

In October, the average temperature in San Jose, Argentina is a comfortable 17°C (63°F), with minimums dipping to 3°C (37°F) and maximums soaring to 36°C (97°F). Expect a total precipitation of 49 mm (1.9 in) spread over 7 days, accompanied by an average humidity of 47%. This blend of conditions creates a unique and appealing atmosphere to explore the charm of San Jose.

October Temperature in San Jose

In October, in San Jose, the average temperature is 17°C (63°F). The maximum can reach 36°C (97°F), while the minimum can drop to as low as 3°C (37°F). Be prepared for a wide range of temperatures when traveling to San Jose during this time.

October Weather in San Jose: Daily Temperature Highs, Lows, and Averages

The chart illustrates October temperature patterns in San Jose, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Jose, October typically has an average temperature of 17°C (63°F), with highs reaching up to 36°C (97°F) and lows dropping to around 3°C (37°F).

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

October Precipitation in San Jose

In San Jose in October, the precipitation amount is 49 mm (1.9 in) over the course of 7 days.

October Precipitation Trends in San Jose

The chart displays monthly precipitation patterns in San Jose, with values for each month alongside October’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how October’s conditions compare to those of other months. In San Jose, October typically receives around 49 mm (1.9 inches) of precipitation spread over approximately 7 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

October Humidity in San Jose

In San Jose in October humidity is 47%. With an average temperature of 17°C (63°F), this humidity feels like a mild embrace, making traveling comfortable and refreshing, ideal for exploring the local sights without feeling too sticky or weighed down.

October Average Humidity in San Jose

This chart illustrates the average monthly humidity levels in San Jose, with October’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In October, average humidity in San Jose is approximately 47%, offering insight into how humid the weather typically is during this month.

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

October UV Index in San Jose

In San Jose in October, the maximum UV index reaches 13, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take protective measures. For detailed information, you can check the Hourly UV Index in San Jose.

Maximum UV Index Levels in San Jose for October

The chart shows the monthly maximum UV Index (UVI) for San Jose in October, 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 October, the maximum UV index in San Jose typically reaches 13, which falls under the extreme exposure category.

Data source: San Jose October 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 October Weather in San Jose Compares to Other Months

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

This table compares monthly weather conditions in San Jose, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	22°C (71°F)	100 mm (3.9 inches)	63%	extreme
February Weather	20°C (68°F)	133 mm (5.2 inches)	66%	extreme
March Weather	18°C (65°F)	87 mm (3.4 inches)	68%	extreme
April Weather	16°C (61°F)	63 mm (2.5 inches)	83%	very high
May Weather	12°C (54°F)	34 mm (1.3 inches)	82%	high
June Weather	9°C (48°F)	14 mm (0.6 inches)	72%	moderate
July Weather	9°C (48°F)	6 mm (0.3 inches)	57%	high
August Weather	11°C (53°F)	6 mm (0.2 inches)	42%	high
September Weather	14°C (58°F)	28 mm (1.1 inches)	51%	very high
October Weather	17°C (63°F)	49 mm (1.9 inches)	47%	extreme
November Weather	19°C (67°F)	84 mm (3.3 inches)	58%	extreme
December Weather	21°C (69°F)	117 mm (4.6 inches)	61%	extreme