October Weather in Merlo, Argentina

Last updated: August 22, 2025

In October, the average temperature in Merlo, Argentina hovers around 16°C (60°F), making it a pleasant time to explore. However, temperatures can vary significantly, with a minimum of 1°C (34°F) and a maximum soaring to 36°C (96°F). Expect precipitation of about 46 mm (1.8 in) spread across 9 days, and enjoy the fresh air with an average humidity of 43%.

October Temperature in Merlo

In October in Merlo, the average temperature is 16°C (60°F). Maximums can reach 36°C (96°F), and minimums can be as low as 1°C (34°F). Be prepared for a wide range of temperatures during your travels, so pack accordingly!

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

The chart illustrates October temperature patterns in Merlo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Merlo, October typically has an average temperature of 16°C (60°F), with highs reaching up to 36°C (96°F) and lows dropping to around 1°C (34°F).
JanFebMarAprMayJunJulAugSepOctNovDec716764605246455155606569
Data source: Temperature data for Merlo generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

October Precipitation in Merlo

In Merlo in October, the precipitation amount is 46 mm (1.8 in) over the course of 9 days.

October Precipitation Trends in Merlo

The chart displays monthly precipitation patterns in Merlo, 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 Merlo, October typically receives around 46 mm (1.8 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec11312291682314105294612189
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Merlo

In Merlo in October humidity is 43%. With an average temperature of 16°C (60°F), this humidity feels like a comfortable embrace, making it ideal for exploring the sights and sounds of the area without feeling overly hot or sticky.

October Average Humidity in Merlo

This chart illustrates the average monthly humidity levels in Merlo, 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 Merlo is approximately 43%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec40%48%53%63%67%61%55%48%45%43%45%40%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Merlo

In Merlo 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 Merlo.

Maximum UV Index Levels in Merlo for October

The chart shows the monthly maximum UV Index (UVI) for Merlo 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 Merlo typically reaches 12, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec151412864579121415
Data source: Merlo 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 Merlo Compares to Other Months

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

This table compares monthly weather conditions in Merlo, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather21°C (71°F)113 mm (4.4 inches)40%extreme
February Weather20°C (67°F)122 mm (4.8 inches)48%extreme
March Weather18°C (64°F)91 mm (3.6 inches)53%extreme
April Weather15°C (60°F)68 mm (2.7 inches)63%very high
May Weather11°C (53°F)23 mm (0.9 inches)67%high
June Weather8°C (46°F)14 mm (0.5 inches)61%moderate
July Weather7°C (46°F)10 mm (0.4 inches)55%moderate
August Weather10°C (51°F)5 mm (0.2 inches)48%high
September Weather13°C (56°F)29 mm (1.1 inches)45%very high
October Weather16°C (60°F)46 mm (1.8 inches)43%extreme
November Weather18°C (65°F)121 mm (4.8 inches)45%extreme
December Weather21°C (69°F)89 mm (3.5 inches)40%extreme

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