October Weather in Rosario, Mexico

Last updated: August 26, 2025

In October, the average temperature in Rosario, Mexico is a pleasant 23°C (73°F). Expect comfortable days with a minimum of 16°C (61°F) and those warm highs reaching up to 32°C (89°F). However, don't forget your umbrella; you might encounter 203 mm (8.0 in) of precipitation over 22 days. With an average humidity of 88%, the air will feel quite humid, adding to the tropical ambiance of this enchanting location.

October Temperature in Rosario

In October in Rosario, the average temperature is 23°C (73°F). Maximums can reach 32°C (89°F) and minimums can drop as low as 16°C (61°F). This makes it an ideal time for travelers seeking pleasant 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 23°C (73°F), with highs reaching up to 32°C (89°F) and lows dropping to around 16°C (61°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 total precipitation amount is 203 mm (8.0 in) spread over 22 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 203 mm (8.0 inches) of precipitation spread over approximately 22 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 88%. With an average temperature of 23°C (73°F), this humidity feels like a warm, sticky blanket enveloping you, making travel feel heavy and draining without frequent breaks for hydration and shade.

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 88%, 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 is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For detailed information, you can check the 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 12, 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	19°C (67°F)	38 mm (1.5 inches)	83%	very high
February Weather	21°C (70°F)	24 mm (0.9 inches)	76%	extreme
March Weather	22°C (72°F)	27 mm (1.0 inches)	66%	extreme
April Weather	24°C (76°F)	34 mm (1.4 inches)	59%	extreme
May Weather	25°C (78°F)	91 mm (3.6 inches)	64%	extreme
June Weather	24°C (76°F)	229 mm (9.0 inches)	69%	extreme
July Weather	24°C (75°F)	124 mm (4.9 inches)	82%	extreme
August Weather	24°C (75°F)	157 mm (6.2 inches)	87%	extreme
September Weather	24°C (75°F)	212 mm (8.4 inches)	87%	extreme
October Weather	23°C (73°F)	203 mm (8.0 inches)	88%	extreme
November Weather	21°C (70°F)	71 mm (2.8 inches)	88%	very high
December Weather	20°C (68°F)	45 mm (1.8 inches)	88%	very high