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December Weather in Costa Azul, Uruguay

Last updated: August 28, 2025

In December, the average temperature in Costa Azul, Uruguay hovers around 20°C (68°F), offering a pleasant climate for outdoor activities. Expect a minimum of 13°C (56°F) and a comfortable maximum of 28°C (82°F). However, be prepared for some precipitation, with an average of 47 mm (1.8 in) expected over 6 days. The average humidity level sits at a notable 76%, adding to the overall atmosphere of this vibrant locale.

December Temperature in Costa Azul

In December in Costa Azul, the average temperature is 20°C (68°F). Maximums can reach 28°C (82°F), while minimums can drop to as low as 13°C (56°F). This pleasant climate makes it an ideal time for outdoor activities and exploration.

December Weather in Costa Azul: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Costa Azul, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Costa Azul, December typically has an average temperature of 20°C (68°F), with highs reaching up to 28°C (82°F) and lows dropping to around 13°C (56°F).
JanFebMarAprMayJunJulAugSepOctNovDec717270676157535456596467
Data source: Temperature data for Costa Azul 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 Costa Azul

In Costa Azul in December, the total precipitation amount is 47 mm (1.8 in) spread over the course of 6 days.

December Precipitation Trends in Costa Azul

The chart displays monthly precipitation patterns in Costa Azul, 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 Costa Azul, December typically receives around 47 mm (1.8 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec72796893971581211131031015547
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Costa Azul

In Costa Azul in December, humidity is 76%. With an average temperature of 20°C (68°F), this humidity feels like a warm blanket wrapping around you, making outdoor exploration both exhilarating and slightly stifling, ideal for leisurely strolls but necessitating frequent breaks to hydrate and cool off.

December Average Humidity in Costa Azul

This chart illustrates the average monthly humidity levels in Costa Azul, 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 Costa Azul is approximately 76%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec75%79%79%79%80%80%76%78%81%79%78%76%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Costa Azul

In Costa Azul 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 Costa Azul, you can check here.

Maximum UV Index Levels in Costa Azul for December

The chart shows the monthly maximum UV Index (UVI) for Costa Azul 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 Costa Azul typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141311753458111314
Data source: Costa Azul 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 Costa Azul Compares to Other Months

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

This table compares monthly weather conditions in Costa Azul, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather22°C (71°F)72 mm (2.8 inches)75%extreme
February Weather22°C (72°F)79 mm (3.1 inches)79%extreme
March Weather21°C (70°F)68 mm (2.7 inches)79%extreme
April Weather19°C (67°F)93 mm (3.7 inches)79%high
May Weather16°C (61°F)97 mm (3.8 inches)80%moderate
June Weather14°C (57°F)158 mm (6.2 inches)80%moderate
July Weather12°C (54°F)121 mm (4.8 inches)76%moderate
August Weather12°C (54°F)113 mm (4.4 inches)78%moderate
September Weather13°C (56°F)103 mm (4.0 inches)81%very high
October Weather15°C (59°F)101 mm (4.0 inches)79%extreme
November Weather18°C (64°F)55 mm (2.2 inches)78%extreme
December Weather20°C (68°F)47 mm (1.8 inches)76%extreme

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