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December Weather in Salto, Brazil

Last updated: August 22, 2025

In Salto, Brazil, the average temperature in December is a pleasant 24°C (75°F). However, temperatures can range from a cool 13°C (56°F) to a scorching 37°C (98°F). Expect some rainfall, with an average precipitation of 131 mm (5.1 in) over 17 days. Humidity levels are typically high, averaging around 80%, adding a touch of tropical feel to your experience!

December Temperature in Salto

In December in Salto, the average temperature is 24°C (75°F). The maximum can reach 37°C (98°F), and the minimum can be as low as 13°C (56°F). This makes it an ideal time for travelers seeking warm weather while enjoying some 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 24°C (75°F), with highs reaching up to 37°C (98°F) and lows dropping to around 13°C (56°F).
JanFebMarAprMayJunJulAugSepOctNovDec767575726766646672737275
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 is 131 mm (5.1 in) over a period of 17 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 131 mm (5.1 inches) of precipitation spread over approximately 17 days.
JanFebMarAprMayJunJulAugSepOctNovDec1681529949444017533499118131
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 80%. With an average temperature of 24°C (75°F), this humidity feels like a warm, sticky blanket enveloping you, making travel slightly uncomfortable as sweat clings to your skin and the air feels thick, urging you to seek shade and hydration frequently.

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 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%88%88%84%79%77%72%65%58%50%75%80%
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 16, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, making it crucial to take protective measures. For detailed information, you can refer to the Hourly UV Index in Salto.

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 16, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec16151211867911131416
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)167 mm (6.6 inches)88%extreme
February Weather24°C (75°F)152 mm (6.0 inches)88%extreme
March Weather24°C (75°F)99 mm (3.9 inches)87%extreme
April Weather22°C (72°F)49 mm (1.9 inches)84%extreme
May Weather19°C (67°F)44 mm (1.7 inches)79%very high
June Weather19°C (66°F)40 mm (1.6 inches)77%high
July Weather18°C (64°F)17 mm (0.7 inches)72%high
August Weather19°C (66°F)53 mm (2.1 inches)65%very high
September Weather22°C (72°F)34 mm (1.4 inches)58%extreme
October Weather23°C (73°F)99 mm (3.9 inches)50%extreme
November Weather22°C (73°F)118 mm (4.6 inches)75%extreme
December Weather24°C (75°F)131 mm (5.1 inches)80%extreme

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