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December Weather in Olavarria, Argentina

Last updated: August 22, 2025

In Olavarria, Argentina, the average temperature in December is a pleasant 20°C (69°F). However, temperatures can vary significantly, ranging from a minimum of 4°C (39°F) to a maximum of 36°C (97°F). During this month, expect about 74 mm (2.9 in) of precipitation spread over 9 days, and an average humidity level of 48% ensures a comfortable atmosphere.

December Temperature in Olavarria

In December in Olavarria, the average temperature is 20°C (69°F), with maximums reaching 36°C (97°F) and minimums dropping as low as 4°C (39°F). Be prepared for a wide temperature range and pack accordingly for your travels!

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

The chart illustrates December temperature patterns in Olavarria, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Olavarria, December typically has an average temperature of 20°C (69°F), with highs reaching up to 36°C (97°F) and lows dropping to around 4°C (39°F).
JanFebMarAprMayJunJulAugSepOctNovDec726965595247454852576369
Data source: Temperature data for Olavarria 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 Olavarria

In Olavarria in December, the precipitation amount is 74 mm (2.9 in), which occurs over a span of 9 days.

December Precipitation Trends in Olavarria

The chart displays monthly precipitation patterns in Olavarria, 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 Olavarria, December typically receives around 74 mm (2.9 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec8269771094346423677818974
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Olavarria

In Olavarria in December humidity is 48%. With an average temperature of 20°C (69°F), this humidity feels like a pleasant embrace, making it comfortable for exploring the outdoors and enjoying scenic attractions without feeling overly sticky or uncomfortable.

December Average Humidity in Olavarria

This chart illustrates the average monthly humidity levels in Olavarria, 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 Olavarria is approximately 48%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec49%58%65%77%79%76%67%61%67%59%55%48%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Olavarria

In Olavarria 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 Olavarria, you can check here.

Maximum UV Index Levels in Olavarria for December

The chart shows the monthly maximum UV Index (UVI) for Olavarria 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 Olavarria typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141210753457101314
Data source: Olavarria 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 Olavarria Compares to Other Months

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

This table compares monthly weather conditions in Olavarria, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather22°C (72°F)82 mm (3.2 inches)49%extreme
February Weather21°C (69°F)69 mm (2.7 inches)58%extreme
March Weather18°C (65°F)77 mm (3.0 inches)65%very high
April Weather15°C (60°F)109 mm (4.3 inches)77%high
May Weather11°C (52°F)43 mm (1.7 inches)79%moderate
June Weather8°C (47°F)46 mm (1.8 inches)76%moderate
July Weather7°C (45°F)41 mm (1.6 inches)67%moderate
August Weather9°C (49°F)36 mm (1.4 inches)61%moderate
September Weather11°C (53°F)77 mm (3.0 inches)67%high
October Weather14°C (57°F)81 mm (3.2 inches)59%very high
November Weather17°C (64°F)89 mm (3.5 inches)55%extreme
December Weather20°C (69°F)74 mm (2.9 inches)48%extreme

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