December Weather in Cartagena, Chile

Last updated: August 22, 2025

In December, the average temperature in Cartagena, Chile is a pleasant 16°C (61°F), with a minimum of 9°C (49°F) and a maximum reaching 26°C (78°F). The region experiences minimal precipitation, with only 1 mm (0.0 in) over 0 days, ensuring plenty of dry weather. Additionally, the average humidity is comfortably low at 39%, making it an ideal time to enjoy the outdoors!

December Temperature in Cartagena

In December in Cartagena, the average temperature is 16°C (61°F). Maximums can reach 26°C (78°F), while minimums can drop to as low as 9°C (49°F). This weather makes Cartagena an ideal destination for travelers seeking mild temperatures and pleasant outdoor activities.

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

The chart illustrates December temperature patterns in Cartagena, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Cartagena, December typically has an average temperature of 16°C (61°F), with highs reaching up to 26°C (78°F) and lows dropping to around 9°C (49°F).

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

December Precipitation in Cartagena

In Cartagena in December, the precipitation amount is 1 mm (0.0 in) during a span of 0 days.

December Precipitation Trends in Cartagena

The chart displays monthly precipitation patterns in Cartagena, 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 Cartagena, December typically receives around 1 mm (0.0 inches) of precipitation spread over approximately 0 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 Cartagena

In Cartagena in December humidity is 39%. With an average temperature of 16°C (61°F), this humidity feels like a refreshing breeze that enhances the overall comfort of traveling, making it easy to explore without feeling weighed down.

December Average Humidity in Cartagena

This chart illustrates the average monthly humidity levels in Cartagena, 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 Cartagena is approximately 39%, 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 Cartagena

In Cartagena 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 Cartagena, you can check here.

Maximum UV Index Levels in Cartagena for December

The chart shows the monthly maximum UV Index (UVI) for Cartagena 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 Cartagena typically reaches 14, which falls under the extreme exposure category.

Data source: Cartagena 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 Cartagena Compares to Other Months

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

This table compares monthly weather conditions in Cartagena, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	17°C (62°F)	6 mm (0.2 inches)	41%	extreme
February Weather	17°C (62°F)	3 mm (0.1 inches)	41%	extreme
March Weather	16°C (60°F)	3 mm (0.1 inches)	46%	extreme
April Weather	14°C (57°F)	9 mm (0.4 inches)	52%	very high
May Weather	12°C (54°F)	43 mm (1.7 inches)	64%	moderate
June Weather	11°C (51°F)	107 mm (4.2 inches)	71%	moderate
July Weather	10°C (50°F)	47 mm (1.9 inches)	75%	moderate
August Weather	10°C (51°F)	38 mm (1.5 inches)	73%	high
September Weather	11°C (53°F)	16 mm (0.6 inches)	56%	very high
October Weather	13°C (55°F)	14 mm (0.6 inches)	61%	extreme
November Weather	15°C (59°F)	3 mm (0.1 inches)	52%	extreme
December Weather	16°C (61°F)	1 mm (0.0 inches)	39%	extreme