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December Weather in La Plata, United States

Last updated: June 24, 2025

The average temperature in La Plata, United States during December is a chilly 6°C (43°F), with temperatures dipping as low as -9°C (16°F) and peaking at a cozy 20°C (68°F). Expect 86 mm (3.4 in) of precipitation spread across 9 days, contributing to an average humidity of a damp 84%. Be prepared for a mix of weather as you explore this captivating destination!

December Temperature in La Plata

In December in La Plata, the average temperature is 6°C (43°F), with maximums reaching 20°C (68°F) and minimums dipping as low as -9°C (16°F). It's advisable to prepare for varying weather conditions if you're planning to travel during this time.

December Weather in La Plata: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in La Plata, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In La Plata, December typically has an average temperature of 6°C (43°F), with highs reaching up to 20°C (68°F) and lows dropping to around -9°C (16°F).
JanFebMarAprMayJunJulAugSepOctNovDec384248586776817873634943
Data source: Temperature data for La Plata 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 La Plata

In La Plata in December, the precipitation amount is 86 mm (3.4 in), falling over the course of 9 days.

December Precipitation Trends in La Plata

The chart displays monthly precipitation patterns in La Plata, 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 La Plata, December typically receives around 86 mm (3.4 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec62937799118106122151911087886
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in La Plata

In La Plata in December, humidity is 84%. With an average temperature of 6°C (43°F), this humidity feels like a damp chill that penetrates your clothing, making outdoor excursions uncomfortable and prompting travelers to seek refuge indoors or find warm, sheltered spots to enjoy their surroundings.

December Average Humidity in La Plata

This chart illustrates the average monthly humidity levels in La Plata, 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 La Plata is approximately 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%83%83%81%78%79%74%72%75%81%85%84%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in La Plata

In La Plata in December, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in La Plata, you can check the information here.

Maximum UV Index Levels in La Plata for December

The chart shows the monthly maximum UV Index (UVI) for La Plata 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 La Plata typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec357910101098753
Data source: La Plata 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 La Plata Compares to Other Months

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

This table compares monthly weather conditions in La Plata, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (39°F)62 mm (2.4 inches)84%moderate
February Weather6°C (42°F)93 mm (3.7 inches)83%moderate
March Weather9°C (48°F)77 mm (3.0 inches)83%high
April Weather14°C (58°F)99 mm (3.9 inches)81%very high
May Weather19°C (67°F)118 mm (4.6 inches)78%very high
June Weather24°C (76°F)106 mm (4.2 inches)79%very high
July Weather27°C (81°F)122 mm (4.8 inches)74%very high
August Weather26°C (79°F)151 mm (5.9 inches)72%very high
September Weather23°C (73°F)91 mm (3.6 inches)75%very high
October Weather17°C (64°F)108 mm (4.2 inches)81%high
November Weather9°C (49°F)78 mm (3.1 inches)85%moderate
December Weather6°C (43°F)86 mm (3.4 inches)84%moderate

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