December Weather in Calama, Chile

Last updated: August 22, 2025

In December, the average temperature in Calama, Chile reaches a comfortable 16°C (62°F). Expect a minimum of 4°C (40°F) and a pleasant maximum of 28°C (83°F). With an average humidity of 53%, conditions remain relatively dry, bringing only 6 mm (0.2 in) of precipitation over 1 day. Perfect weather to explore the vibrant local culture!

December Temperature in Calama

In December in Calama, the average temperature is 16°C (62°F). The maximum can reach 28°C (83°F), while the minimum can drop as low as 4°C (40°F). This diverse temperature range makes Calama an ideal destination for travelers seeking a mix of pleasant daytime warmth and cooler evenings.

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

The chart illustrates December temperature patterns in Calama, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Calama, December typically has an average temperature of 16°C (62°F), with highs reaching up to 28°C (83°F) and lows dropping to around 4°C (40°F).

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

December Precipitation in Calama

In Calama in December, the precipitation amount is 6 mm (0.2 in) over the course of 1 day.

December Precipitation Trends in Calama

The chart displays monthly precipitation patterns in Calama, 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 Calama, December typically receives around 6 mm (0.2 inches) of precipitation spread over approximately 1 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 Calama

In Calama in December humidity is 53%. With an average temperature of 16°C (62°F), this humidity feels like a refreshing embrace, making it pleasant for traveling and exploring, as the air is cool yet carries a hint of moisture that invigorates rather than overwhelms.

December Average Humidity in Calama

This chart illustrates the average monthly humidity levels in Calama, 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 Calama is approximately 53%, 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 Calama

In Calama in December, the maximum UV index reaches an alarming 17, which falls under the extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to stay protected. For more details on the hourly UV index in Calama, you can check Hourly UV Index in Calama.

Maximum UV Index Levels in Calama for December

The chart shows the monthly maximum UV Index (UVI) for Calama 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 Calama typically reaches 17, which falls under the extreme exposure category.

Data source: Calama 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 Calama Compares to Other Months

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

This table compares monthly weather conditions in Calama, 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)	14 mm (0.5 inches)	75%	extreme
February Weather	16°C (62°F)	25 mm (1.0 inches)	81%	extreme
March Weather	16°C (61°F)	4 mm (0.2 inches)	84%	extreme
April Weather	14°C (58°F)	3 mm (0.1 inches)	71%	extreme
May Weather	12°C (54°F)	2 mm (0.1 inches)	60%	very high
June Weather	11°C (52°F)	5 mm (0.2 inches)	52%	high
July Weather	11°C (52°F)	1 mm (0.1 inches)	51%	very high
August Weather	12°C (54°F)	6 mm (0.2 inches)	43%	very high
September Weather	14°C (58°F)	1 mm (0.0 inches)	49%	extreme
October Weather	15°C (60°F)	0 mm (0.0 inches)	49%	extreme
November Weather	16°C (61°F)	0 mm (0.0 inches)	47%	extreme
December Weather	16°C (62°F)	6 mm (0.2 inches)	53%	extreme