December Weather in Patagonia, United States

Last updated: June 24, 2025

In December, the average temperature in Patagonia, United States hovers around 9°C (48°F). Prepare for a wide range as temperatures can dip to a chilly -4°C (24°F) or rise to a pleasant 23°C (74°F). Expect about 25 mm (1.0 in) of precipitation spread across 4 days, and be ready for a humid experience with average humidity levels soaring to 81%.

December Temperature in Patagonia

In December in Patagonia, the average temperature is 9°C (48°F), with maximums reaching 23°C (74°F) and minimums dropping as low as -4°C (24°F). This varied climate means travelers should pack layers to stay comfortable throughout the day.

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

The chart illustrates December temperature patterns in Patagonia, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Patagonia, December typically has an average temperature of 9°C (48°F), with highs reaching up to 23°C (74°F) and lows dropping to around -4°C (24°F).

Data source: Temperature data for Patagonia generated using information from the Copernicus Climate Change Service.

December Precipitation in Patagonia

In Patagonia in December, the precipitation amount is 25 mm (1.0 in) over the course of 4 days.

December Precipitation Trends in Patagonia

The chart displays monthly precipitation patterns in Patagonia, 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 Patagonia, December typically receives around 25 mm (1.0 inches) of precipitation spread over approximately 4 days.

Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

December Humidity in Patagonia

In Patagonia in December, humidity is 81%. With an average temperature of 9°C (48°F), this humidity feels like a chilly, damp embrace that can make outdoor activities less enjoyable and may require extra layers to stay comfortable while traveling.

December Average Humidity in Patagonia

This chart illustrates the average monthly humidity levels in Patagonia, 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 Patagonia is approximately 81%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Patagonia

In Patagonia in December, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Patagonia.

Maximum UV Index Levels in Patagonia for December

The chart shows the monthly maximum UV Index (UVI) for Patagonia 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 Patagonia typically reaches 5, which falls under the moderate exposure category.

Data source: Patagonia 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 Patagonia Compares to Other Months

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

This table compares monthly weather conditions in Patagonia, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	9°C (48°F)	27 mm (1.1 inches)	74%	moderate
February Weather	9°C (49°F)	35 mm (1.4 inches)	71%	high
March Weather	13°C (55°F)	21 mm (0.8 inches)	60%	very high
April Weather	18°C (64°F)	4 mm (0.2 inches)	43%	extreme
May Weather	21°C (70°F)	4 mm (0.1 inches)	32%	extreme
June Weather	27°C (80°F)	9 mm (0.4 inches)	28%	extreme
July Weather	26°C (78°F)	116 mm (4.6 inches)	38%	extreme
August Weather	25°C (77°F)	90 mm (3.5 inches)	60%	extreme
September Weather	23°C (74°F)	34 mm (1.3 inches)	72%	extreme
October Weather	19°C (66°F)	13 mm (0.5 inches)	66%	very high
November Weather	14°C (58°F)	25 mm (1.0 inches)	74%	high
December Weather	9°C (48°F)	25 mm (1.0 inches)	81%	moderate