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December Weather in Pilar, Argentina

Last updated: August 22, 2025

In Pilar, Argentina, the average temperature in December hovers around 23°C (73°F). However, be prepared for a range of temperatures, with minimums dipping to 7°C (46°F) and maximums soaring to 38°C (101°F). Expect about 73 mm (2.9 in) of precipitation spread over 8 days, and enjoy a comfortable average humidity of 56%.

December Temperature in Pilar

In December in Pilar, the average temperature is 23°C (73°F). Maximum temperatures can reach 38°C (101°F), while minimums can drop as low as 7°C (46°F). This makes Pilar a great destination for travelers looking to experience warm days and cooler nights.

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

The chart illustrates December temperature patterns in Pilar, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Pilar, December typically has an average temperature of 23°C (73°F), with highs reaching up to 38°C (101°F) and lows dropping to around 7°C (46°F).
JanFebMarAprMayJunJulAugSepOctNovDec767370655752505358626973
Data source: Temperature data for Pilar 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 Pilar

In Pilar in December, the precipitation amount is 73 mm (2.9 in) over a span of 8 days.

December Precipitation Trends in Pilar

The chart displays monthly precipitation patterns in Pilar, 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 Pilar, December typically receives around 73 mm (2.9 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec7170758172485144751067373
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Pilar

In Pilar in December, humidity is 56%. With an average temperature of 23°C (73°F), this humidity feels like a warm embrace that makes traveling feel slightly sticky, yet still comfortable enough to explore outdoors without feeling overwhelmed.

December Average Humidity in Pilar

This chart illustrates the average monthly humidity levels in Pilar, 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 Pilar is approximately 56%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec51%61%66%80%85%80%69%66%72%63%59%56%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Pilar

In Pilar 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 Pilar, you can check here.

Maximum UV Index Levels in Pilar for December

The chart shows the monthly maximum UV Index (UVI) for Pilar 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 Pilar typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141311754468101314
Data source: Pilar 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 Pilar Compares to Other Months

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

This table compares monthly weather conditions in Pilar, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather24°C (76°F)71 mm (2.8 inches)50%extreme
February Weather23°C (74°F)70 mm (2.8 inches)61%extreme
March Weather21°C (70°F)75 mm (3.0 inches)66%extreme
April Weather18°C (65°F)81 mm (3.2 inches)80%high
May Weather14°C (57°F)72 mm (2.8 inches)85%moderate
June Weather11°C (53°F)48 mm (1.9 inches)80%moderate
July Weather10°C (51°F)51 mm (2.0 inches)69%moderate
August Weather12°C (54°F)44 mm (1.7 inches)66%high
September Weather14°C (58°F)75 mm (3.0 inches)72%very high
October Weather17°C (62°F)106 mm (4.2 inches)63%very high
November Weather20°C (69°F)73 mm (2.9 inches)59%extreme
December Weather23°C (73°F)73 mm (2.9 inches)56%extreme

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