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December Weather in Salto, Argentina

Last updated: August 22, 2025

In December, the average temperature in Salto, Argentina hovers around 23°C (74°F). Expect a minimum temperature dipping to 8°C (47°F) and a sweltering maximum of 38°C (101°F). During this month, precipitation averages 86 mm (3.4 in) over about 8 days, coupled with an average humidity of 48%. Stay prepared for a mix of warm and rainy days!

December Temperature in Salto

In December in Salto, the average temperature is 23°C (74°F). Maximum temperatures can reach as high as 38°C (101°F), while the minimum can drop to 8°C (47°F). This makes Salto an excellent destination for travelers seeking warm weather with the option for cooler evenings.

December Weather in Salto: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Salto, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Salto, December typically has an average temperature of 23°C (74°F), with highs reaching up to 38°C (101°F) and lows dropping to around 8°C (47°F).
JanFebMarAprMayJunJulAugSepOctNovDec757369645652505358626973
Data source: Temperature data for Salto 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.

December Precipitation in Salto

In Salto in December, the precipitation amount reaches 86 mm (3.4 in) over the course of 8 days.

December Precipitation Trends in Salto

The chart displays monthly precipitation patterns in Salto, with values for each month alongside December’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December’s conditions compare to those of other months. In Salto, December typically receives around 86 mm (3.4 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec77728511178303342661058886
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Salto

In Salto in December humidity is 48%. With an average temperature of 23°C (74°F), this humidity feels like a refreshing but slightly muggy embrace, making traveling enjoyable with a light breeze, yet prompting travelers to stay hydrated and take occasional breaks from the sun.

December Average Humidity in Salto

This chart illustrates the average monthly humidity levels in Salto, with December’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In December, average humidity in Salto is approximately 48%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec46%54%64%76%81%76%65%59%66%57%54%48%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Salto

In Salto in December, 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 Salto, you can check here.

Maximum UV Index Levels in Salto for December

The chart shows the monthly maximum UV Index (UVI) for Salto in December, 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 December, the maximum UV index in Salto typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141311854468101314
Data source: Salto December 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 December Weather in Salto Compares to Other Months

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

This table compares monthly weather conditions in Salto, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather24°C (76°F)77 mm (3.0 inches)46%extreme
February Weather23°C (73°F)72 mm (2.8 inches)54%extreme
March Weather21°C (69°F)85 mm (3.3 inches)64%extreme
April Weather18°C (65°F)111 mm (4.4 inches)76%very high
May Weather14°C (57°F)78 mm (3.1 inches)81%moderate
June Weather11°C (52°F)30 mm (1.2 inches)76%moderate
July Weather10°C (50°F)33 mm (1.3 inches)65%moderate
August Weather12°C (53°F)42 mm (1.7 inches)59%high
September Weather14°C (58°F)66 mm (2.6 inches)66%very high
October Weather17°C (63°F)105 mm (4.1 inches)57%very high
November Weather21°C (69°F)88 mm (3.5 inches)54%extreme
December Weather23°C (74°F)86 mm (3.4 inches)48%extreme

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