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December Weather in Justiniano Posse, Argentina

Last updated: August 22, 2025

In Justiniano Posse, Argentina, the average temperature in December hovers around 24°C (75°F). However, be prepared for a range, as temperatures can dip to a cool 11°C (53°F) or soar to a scorching 39°C (103°F). Expect around 69 mm (2.7 in) of precipitation over about 8 days, and enjoy a comfortable average humidity of 47%.

December Temperature in Justiniano Posse

In December in Justiniano Posse, the average temperature is 24°C (75°F). Maximum can reach 39°C (103°F) and minimum can be as low as 11°C (53°F). This weather makes Justiniano Posse an ideal destination for travelers seeking warm days and cooler nights.

December Weather in Justiniano Posse: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Justiniano Posse, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Justiniano Posse, December typically has an average temperature of 24°C (75°F), with highs reaching up to 39°C (103°F) and lows dropping to around 11°C (53°F).
JanFebMarAprMayJunJulAugSepOctNovDec767370665852515560657175
Data source: Temperature data for Justiniano Posse 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 Justiniano Posse

In Justiniano Posse in December, the precipitation amount is 69 mm (2.7 in) that falls over a period of 8 days.

December Precipitation Trends in Justiniano Posse

The chart displays monthly precipitation patterns in Justiniano Posse, 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 Justiniano Posse, December typically receives around 69 mm (2.7 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec12464991027515141846759270
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Justiniano Posse

In Justiniano Posse in December, humidity is 47%. With an average temperature of 24°C (75°F), this humidity feels like a refreshing embrace, making outdoor activities enjoyable but also reminding travelers to stay hydrated and take breaks in the shade.

December Average Humidity in Justiniano Posse

This chart illustrates the average monthly humidity levels in Justiniano Posse, 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 Justiniano Posse is approximately 47%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec45%52%63%74%78%71%57%53%56%50%54%47%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Justiniano Posse

In Justiniano Posse 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 Justiniano Posse, you can check here.

Maximum UV Index Levels in Justiniano Posse for December

The chart shows the monthly maximum UV Index (UVI) for Justiniano Posse 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 Justiniano Posse typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141311854468111314
Data source: Justiniano Posse 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 Justiniano Posse Compares to Other Months

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

This table compares monthly weather conditions in Justiniano Posse, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather24°C (76°F)124 mm (4.9 inches)45%extreme
February Weather23°C (74°F)64 mm (2.5 inches)52%extreme
March Weather21°C (70°F)99 mm (3.9 inches)63%extreme
April Weather19°C (66°F)102 mm (4.0 inches)74%very high
May Weather14°C (58°F)75 mm (3.0 inches)78%moderate
June Weather11°C (52°F)15 mm (0.6 inches)71%moderate
July Weather10°C (51°F)13 mm (0.5 inches)57%moderate
August Weather13°C (55°F)18 mm (0.7 inches)53%high
September Weather16°C (60°F)46 mm (1.8 inches)56%very high
October Weather18°C (65°F)75 mm (2.9 inches)50%extreme
November Weather22°C (72°F)92 mm (3.6 inches)54%extreme
December Weather24°C (75°F)69 mm (2.7 inches)47%extreme

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