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December Weather in Puerto Chacabuco, Chile

Last updated: August 22, 2025

In December, the average temperature in Puerto Chacabuco, Chile hovers around 10°C (51°F). Expect minimums to dip to 0°C (33°F) and maximums to reach 26°C (79°F). With 239 mm (9.4 in) of precipitation spread across 18 days, the region experiences a high average humidity of 86%, making for a notably moist atmosphere.

December Temperature in Puerto Chacabuco

In December in Puerto Chacabuco, the average temperature is 10°C (51°F). Maximum temperatures can reach 26°C (79°F), while the minimum can dip as low as 0°C (33°F). Be prepared for a range of weather conditions when traveling during this time.

December Weather in Puerto Chacabuco: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Puerto Chacabuco, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Puerto Chacabuco, December typically has an average temperature of 10°C (51°F), with highs reaching up to 26°C (79°F) and lows dropping to around 0°C (33°F).
JanFebMarAprMayJunJulAugSepOctNovDec515349454034343637404551
Data source: Temperature data for Puerto Chacabuco 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 Puerto Chacabuco

In Puerto Chacabuco in December, the precipitation amount is 239 mm (9.4 in) over the course of 18 days.

December Precipitation Trends in Puerto Chacabuco

The chart displays monthly precipitation patterns in Puerto Chacabuco, 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 Puerto Chacabuco, December typically receives around 239 mm (9.4 inches) of precipitation spread over approximately 18 days.
JanFebMarAprMayJunJulAugSepOctNovDec233162251296361435344392303308280239
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Puerto Chacabuco

In Puerto Chacabuco in December humidity is 86%. With an average temperature of 10°C (51°F), this humidity feels like a cool, damp blanket enveloping you, making traveling feel invigorating yet slightly uncomfortable without the right layers.

December Average Humidity in Puerto Chacabuco

This chart illustrates the average monthly humidity levels in Puerto Chacabuco, 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 Puerto Chacabuco is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%88%86%89%89%89%89%89%88%86%85%86%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Puerto Chacabuco

In Puerto Chacabuco in December, the maximum UV index reaches 13, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take protective measures. For detailed information, you can check the Hourly UV Index in Puerto Chacabuco.

Maximum UV Index Levels in Puerto Chacabuco for December

The chart shows the monthly maximum UV Index (UVI) for Puerto Chacabuco 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 Puerto Chacabuco typically reaches 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec1311853224691113
Data source: Puerto Chacabuco 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 Puerto Chacabuco Compares to Other Months

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

This table compares monthly weather conditions in Puerto Chacabuco, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather10°C (51°F)233 mm (9.2 inches)85%extreme
February Weather12°C (53°F)162 mm (6.4 inches)88%extreme
March Weather10°C (50°F)251 mm (9.9 inches)86%very high
April Weather7°C (45°F)296 mm (11.7 inches)89%moderate
May Weather4°C (40°F)361 mm (14.2 inches)89%moderate
June Weather1°C (34°F)435 mm (17.1 inches)89%low
July Weather1°C (34°F)344 mm (13.5 inches)89%low
August Weather2°C (36°F)392 mm (15.4 inches)89%moderate
September Weather3°C (38°F)303 mm (11.9 inches)88%high
October Weather4°C (40°F)308 mm (12.1 inches)86%very high
November Weather7°C (46°F)280 mm (11.0 inches)84%extreme
December Weather10°C (51°F)239 mm (9.4 inches)86%extreme

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