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December Weather in Santa Bernardina, Uruguay

Last updated: August 28, 2025

In Santa Bernardina, Uruguay, the average temperature in December is a comfortable 23°C (73°F). However, it can vary significantly, with minimums dipping to 7°C (45°F) and maximums soaring up to 36°C (98°F). Expect some rain, as 63 mm (2.5 in) of precipitation typically falls over 6 days, contributing to an average humidity of 66%. Explore the climate and plan your activities accordingly!

December Temperature in Santa Bernardina

In December in Santa Bernardina, the average temperature is 23°C (73°F). The maximum can reach 36°C (98°F), while the minimum can drop as low as 7°C (45°F). This variability makes it essential for travelers to pack both warm and light clothing to enjoy their visit comfortably.

December Weather in Santa Bernardina: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Santa Bernardina, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Santa Bernardina, December typically has an average temperature of 23°C (73°F), with highs reaching up to 36°C (98°F) and lows dropping to around 7°C (45°F).
JanFebMarAprMayJunJulAugSepOctNovDec767370655754525458626873
Data source: Temperature data for Santa Bernardina 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 Santa Bernardina

In Santa Bernardina in December, the precipitation amount is 63 mm (2.5 in) spread over a duration of 6 days.

December Precipitation Trends in Santa Bernardina

The chart displays monthly precipitation patterns in Santa Bernardina, 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 Santa Bernardina, December typically receives around 63 mm (2.5 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec111116618892117781061161297163
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Santa Bernardina

In Santa Bernardina in December, humidity is 66%. With an average temperature of 23°C (73°F), this humidity feels like a warm embrace, making it essential for travelers to stay hydrated and plan outdoor activities for cooler times of the day.

December Average Humidity in Santa Bernardina

This chart illustrates the average monthly humidity levels in Santa Bernardina, 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 Santa Bernardina is approximately 66%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec59%64%70%80%85%82%72%67%71%69%65%66%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Santa Bernardina

In Santa Bernardina 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 Santa Bernardina, you can check here.

Maximum UV Index Levels in Santa Bernardina for December

The chart shows the monthly maximum UV Index (UVI) for Santa Bernardina 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 Santa Bernardina typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec151312854468111314
Data source: Santa Bernardina 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 Santa Bernardina Compares to Other Months

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

This table compares monthly weather conditions in Santa Bernardina, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather24°C (76°F)111 mm (4.4 inches)58%extreme
February Weather23°C (74°F)116 mm (4.6 inches)64%extreme
March Weather21°C (70°F)61 mm (2.4 inches)70%extreme
April Weather19°C (66°F)88 mm (3.5 inches)80%very high
May Weather14°C (58°F)92 mm (3.6 inches)84%moderate
June Weather12°C (54°F)117 mm (4.6 inches)82%moderate
July Weather11°C (52°F)78 mm (3.1 inches)72%moderate
August Weather12°C (55°F)105 mm (4.2 inches)67%high
September Weather15°C (59°F)116 mm (4.6 inches)71%very high
October Weather17°C (63°F)129 mm (5.1 inches)69%extreme
November Weather20°C (69°F)71 mm (2.8 inches)65%extreme
December Weather23°C (73°F)63 mm (2.5 inches)66%extreme

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