October Weather in San Jose, Peru

Last updated: August 27, 2025

In San Jose, Peru, the average temperature in October hovers around 20°C (68°F), with bare minimums dropping to 14°C (58°F) and a warm peak reaching 29°C (85°F). Enjoy relatively low precipitation, averaging just 9 mm (0.3 in) spread over 3 days, ensuring a pleasant atmosphere. The average humidity rests at a comfortable 58%, making it an ideal time to explore!

October Temperature in San Jose

In October in San Jose, the average temperature is 20°C (68°F). Maximums can reach 29°C (85°F), while minimums can drop to as low as 14°C (58°F). This comfortable climate makes San Jose an ideal destination for travelers seeking a pleasant outdoor experience.

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 20°C (68°F), with highs reaching up to 29°C (85°F) and lows dropping to around 14°C (58°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 9 mm (0.3 in) measured over a span of 3 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 9 mm (0.3 inches) of precipitation spread over approximately 3 days.

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

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Millimeters (mm) Inches (in)

October Humidity in San Jose

In San Jose in October humidity is 58%. With an average temperature of 20°C (68°F), this humidity feels like a refreshing embrace, creating a comfortable atmosphere for exploring the local sights and enjoying leisurely walks outdoors.

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 58%, 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 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 Jose, you can check here.

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 14, 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	25°C (78°F)	17 mm (0.7 inches)	83%	extreme
February Weather	26°C (80°F)	45 mm (1.8 inches)	81%	extreme
March Weather	26°C (80°F)	85 mm (3.3 inches)	88%	extreme
April Weather	24°C (76°F)	21 mm (0.8 inches)	85%	extreme
May Weather	22°C (72°F)	11 mm (0.4 inches)	78%	extreme
June Weather	21°C (69°F)	2 mm (0.1 inches)	62%	extreme
July Weather	19°C (67°F)	2 mm (0.1 inches)	44%	extreme
August Weather	19°C (66°F)	2 mm (0.1 inches)	38%	extreme
September Weather	19°C (67°F)	1 mm (0.0 inches)	42%	extreme
October Weather	20°C (68°F)	9 mm (0.3 inches)	58%	extreme
November Weather	21°C (70°F)	7 mm (0.3 inches)	69%	extreme
December Weather	23°C (73°F)	16 mm (0.6 inches)	82%	extreme