October Weather in Rosario, Peru

Last updated: August 27, 2025

In October, the average temperature in Rosario, Peru hovers around 16°C (61°F), with a comfortable range from a minimum of 9°C (48°F) to a pleasant maximum of 26°C (79°F). Expect about 299 mm (11.8 in) of precipitation spread across 24 days, contributing to an average humidity of 65%. Be prepared for a mix of weather as you enjoy your time in this vibrant locale!

October Temperature in Rosario

In October in Rosario, the average temperature is 16°C (61°F). Maximum temperatures can reach 26°C (79°F), while minimums can drop as low as 9°C (48°F). This makes it a pleasant time for traveling, allowing you to enjoy mild weather and comfortable outdoor activities.

October Weather in Rosario: Daily Temperature Highs, Lows, and Averages

The chart illustrates October temperature patterns in Rosario, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rosario, October typically has an average temperature of 16°C (61°F), with highs reaching up to 26°C (79°F) and lows dropping to around 9°C (48°F).

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

October Precipitation in Rosario

In Rosario in October, the precipitation amount is 299 mm (11.8 in) over the course of 24 days.

October Precipitation Trends in Rosario

The chart displays monthly precipitation patterns in Rosario, 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 Rosario, October typically receives around 299 mm (11.8 inches) of precipitation spread over approximately 24 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 Rosario

In Rosario in October, humidity is 65%. With an average temperature of 16°C (61°F), this humidity feels like a gentle warmth enveloping you, making it ideal for exploring the sights without overwhelming discomfort.

October Average Humidity in Rosario

This chart illustrates the average monthly humidity levels in Rosario, 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 Rosario is approximately 65%, 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 Rosario

In Rosario in October, the maximum UV index reaches an alarming 17, which falls under the extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to stay protected. For more details on the hourly UV index in Rosario, you can check Hourly UV Index in Rosario.

Maximum UV Index Levels in Rosario for October

The chart shows the monthly maximum UV Index (UVI) for Rosario 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 Rosario typically reaches 17, which falls under the extreme exposure category.

Data source: Rosario 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 Rosario Compares to Other Months

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

This table compares monthly weather conditions in Rosario, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	16°C (61°F)	408 mm (16.0 inches)	93%	extreme
February Weather	16°C (61°F)	401 mm (15.8 inches)	92%	extreme
March Weather	16°C (61°F)	465 mm (18.3 inches)	92%	extreme
April Weather	16°C (61°F)	282 mm (11.1 inches)	90%	extreme
May Weather	15°C (60°F)	105 mm (4.1 inches)	85%	extreme
June Weather	15°C (59°F)	40 mm (1.6 inches)	70%	extreme
July Weather	14°C (58°F)	27 mm (1.1 inches)	54%	extreme
August Weather	15°C (58°F)	64 mm (2.5 inches)	44%	extreme
September Weather	15°C (60°F)	189 mm (7.5 inches)	52%	extreme
October Weather	16°C (61°F)	299 mm (11.8 inches)	65%	extreme
November Weather	16°C (62°F)	325 mm (12.8 inches)	81%	extreme
December Weather	16°C (62°F)	325 mm (12.8 inches)	89%	extreme