December Weather in Junin, Argentina

Last updated: August 22, 2025

In December, the average temperature in Junin, Argentina typically hovers around 23°C (73°F). However, be prepared for a range, as temperatures can drop to a cool 8°C (46°F) or soar to a scorching 38°C (100°F). With an average precipitation of 99 mm (3.9 in) spread over 8 days, and an average humidity of 48%, it's wise to pack accordingly for this diverse climate!

December Temperature in Junin

In December in Junin, the average temperature is 23°C (73°F). Maximums can reach 38°C (100°F), while minimums can drop to as low as 8°C (46°F). This variation makes it advisable for travelers to pack accordingly, ensuring they’re prepared for both warm days and cooler nights.

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

The chart illustrates December temperature patterns in Junin, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Junin, December typically has an average temperature of 23°C (73°F), with highs reaching up to 38°C (100°F) and lows dropping to around 8°C (46°F).
JanFebMarAprMayJunJulAugSepOctNovDec747268645651495357626873
Data source: Temperature data for Junin 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 Junin

In Junin in December, the precipitation amount is 99 mm (3.9 in) spread over 8 days.

December Precipitation Trends in Junin

The chart displays monthly precipitation patterns in Junin, 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 Junin, December typically receives around 99 mm (3.9 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec105678911076302632809510299
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Junin

In Junin in December humidity is 48%. With an average temperature of 23°C (73°F), this humidity feels like a pleasant embrace, making it comfortable for traveling while allowing you to enjoy outdoor activities without feeling overly sticky or weighed down.

December Average Humidity in Junin

This chart illustrates the average monthly humidity levels in Junin, 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 Junin is approximately 48%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec46%54%64%76%81%76%65%59%66%57%54%48%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Junin

In Junin 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 Junin, you can check here.

Maximum UV Index Levels in Junin for December

The chart shows the monthly maximum UV Index (UVI) for Junin 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 Junin typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141311854468101314
Data source: Junin 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 Junin Compares to Other Months

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

This table compares monthly weather conditions in Junin, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather24°C (75°F)104 mm (4.1 inches)46%extreme
February Weather22°C (72°F)67 mm (2.6 inches)54%extreme
March Weather20°C (69°F)89 mm (3.5 inches)64%extreme
April Weather18°C (64°F)110 mm (4.3 inches)76%very high
May Weather13°C (56°F)76 mm (3.0 inches)81%moderate
June Weather11°C (51°F)30 mm (1.2 inches)76%moderate
July Weather10°C (49°F)26 mm (1.0 inches)65%moderate
August Weather12°C (53°F)32 mm (1.3 inches)59%high
September Weather14°C (58°F)80 mm (3.2 inches)66%very high
October Weather17°C (62°F)95 mm (3.7 inches)57%very high
November Weather20°C (69°F)102 mm (4.0 inches)54%extreme
December Weather23°C (73°F)99 mm (3.9 inches)48%extreme

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