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December Weather in Atlantida, Uruguay

Last updated: August 28, 2025

In December, the average temperature in Atlantida, Uruguay is a pleasant 21°C (70°F). Visitors can expect a range between a cool 9°C (49°F) and a warm 34°C (93°F). With an average precipitation of 64 mm (2.5 in) spread over 7 days, and an average humidity of 65%, it's wise to prepare for a mix of sunny and rainy days. Enjoy the diverse weather while exploring this vibrant destination!

December Temperature in Atlantida

In December in Atlantida, the average temperature is 21°C (70°F). Maximum temperatures can reach 34°C (93°F), while minimums can drop as low as 9°C (49°F). This mild climate makes Atlantida an ideal destination for travelers looking to enjoy a pleasant outdoor experience.

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

The chart illustrates December temperature patterns in Atlantida, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Atlantida, December typically has an average temperature of 21°C (70°F), with highs reaching up to 34°C (93°F) and lows dropping to around 9°C (49°F).
JanFebMarAprMayJunJulAugSepOctNovDec747269665854525457616670
Data source: Temperature data for Atlantida 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 Atlantida

In Atlantida in December, the precipitation amount is 64 mm (2.5 in) accumulated over a period of 7 days.

December Precipitation Trends in Atlantida

The chart displays monthly precipitation patterns in Atlantida, 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 Atlantida, December typically receives around 64 mm (2.5 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec688973771001041099084836664
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Atlantida

In Atlantida in December humidity is 65%. With an average temperature of 21°C (70°F), this humidity feels quite sticky and can make outdoor activities feel a bit tiring; it's best to stay hydrated and take breaks in the shade while exploring.

December Average Humidity in Atlantida

This chart illustrates the average monthly humidity levels in Atlantida, 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 Atlantida is approximately 65%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec63%69%73%79%83%80%72%72%76%71%68%65%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Atlantida

In Atlantida 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 Atlantida, you can check here.

Maximum UV Index Levels in Atlantida for December

The chart shows the monthly maximum UV Index (UVI) for Atlantida 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 Atlantida typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141311753468111314
Data source: Atlantida 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 Atlantida Compares to Other Months

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

This table compares monthly weather conditions in Atlantida, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather23°C (74°F)67 mm (2.7 inches)63%extreme
February Weather22°C (73°F)89 mm (3.5 inches)69%extreme
March Weather21°C (70°F)73 mm (2.9 inches)73%extreme
April Weather19°C (66°F)77 mm (3.0 inches)79%high
May Weather15°C (59°F)100 mm (3.9 inches)82%moderate
June Weather12°C (54°F)104 mm (4.1 inches)80%moderate
July Weather11°C (52°F)109 mm (4.3 inches)72%moderate
August Weather12°C (54°F)90 mm (3.6 inches)72%high
September Weather14°C (57°F)84 mm (3.3 inches)76%very high
October Weather16°C (61°F)83 mm (3.3 inches)71%extreme
November Weather19°C (66°F)66 mm (2.6 inches)68%extreme
December Weather21°C (70°F)64 mm (2.5 inches)65%extreme

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