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January Weather in San Cosme, Argentina

Last updated: August 22, 2025

In San Cosme, Argentina, the average temperature in January reaches a warm 28°C (83°F). However, temperatures can vary significantly, with minimums dipping to 15°C (60°F) and maximums soaring up to 42°C (107°F). Expect about 130 mm (5.1 in) of precipitation over approximately 9 days, and a high average humidity of 76% to round out this tropical experience.

January Temperature in San Cosme

In January in San Cosme, the average temperature is 28°C (83°F). Maximums can reach 42°C (107°F) and minimums can be as low as 15°C (60°F). Be prepared for warm days, but pack a light jacket for cooler evenings.

January Weather in San Cosme: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in San Cosme, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Cosme, January typically has an average temperature of 28°C (83°F), with highs reaching up to 42°C (107°F) and lows dropping to around 15°C (60°F).
JanFebMarAprMayJunJulAugSepOctNovDec828177726562616469737780
Data source: Temperature data for San Cosme 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.

January Precipitation in San Cosme

In San Cosme in January, the precipitation amount is 130 mm (5.1 in) over the course of 9 days.

January Precipitation Trends in San Cosme

The chart displays monthly precipitation patterns in San Cosme, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In San Cosme, January typically receives around 130 mm (5.1 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec130721361261396642448912414872
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in San Cosme

In San Cosme in January, humidity is 76%. With an average temperature of 28°C (83°F), this humidity feels like a warm, sticky embrace, making outdoor activities challenging and requiring travelers to stay hydrated and take frequent breaks in the shade.

January Average Humidity in San Cosme

This chart illustrates the average monthly humidity levels in San Cosme, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in San Cosme is approximately 76%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%70%73%83%85%73%63%44%50%53%66%82%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in San Cosme

In San Cosme in January, the maximum UV index reaches an alarming 15, which falls into the extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take precautions. For detailed information, you can check the Hourly UV Index in San Cosme.

Maximum UV Index Levels in San Cosme for January

The chart shows the monthly maximum UV Index (UVI) for San Cosme in January, 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 January, the maximum UV index in San Cosme typically reaches 15, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec15141310756710131414
Data source: San Cosme January 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 January Weather in San Cosme Compares to Other Months

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

This table compares monthly weather conditions in San Cosme, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather28°C (83°F)130 mm (5.1 inches)76%extreme
February Weather27°C (81°F)72 mm (2.8 inches)70%extreme
March Weather25°C (78°F)136 mm (5.4 inches)73%extreme
April Weather22°C (72°F)126 mm (5.0 inches)83%very high
May Weather19°C (66°F)139 mm (5.5 inches)85%high
June Weather17°C (62°F)66 mm (2.6 inches)73%moderate
July Weather16°C (61°F)42 mm (1.7 inches)63%high
August Weather18°C (64°F)44 mm (1.7 inches)44%high
September Weather21°C (69°F)89 mm (3.5 inches)50%very high
October Weather23°C (74°F)124 mm (4.9 inches)53%extreme
November Weather25°C (77°F)148 mm (5.8 inches)66%extreme
December Weather27°C (81°F)72 mm (2.8 inches)82%extreme

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