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December Weather in Puente Alto, Chile

Last updated: August 22, 2025

In December, the average temperature in Puente Alto, Chile is a comfortable 17°C (62°F). Expect a range from a cool 5°C (40°F) to a warm 29°C (85°F) throughout the month. Precipitation is relatively light, with about 14 mm (0.6 in) expected over 4 days, contributing to an average humidity of 39%. Enjoy this delightful weather as you explore!

December Temperature in Puente Alto

In December, in Puente Alto, the average temperature is 17°C (62°F). Maximums can reach 29°C (85°F) and minimums can be as low as 5°C (40°F). This makes Puente Alto a great destination for travelers looking to enjoy mild weather with the possibility of both warm and cool days.

December Weather in Puente Alto: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Puente Alto, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Puente Alto, December typically has an average temperature of 17°C (62°F), with highs reaching up to 29°C (85°F) and lows dropping to around 5°C (40°F).
JanFebMarAprMayJunJulAugSepOctNovDec646360544739384246515862
Data source: Temperature data for Puente Alto 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 Puente Alto

In Puente Alto in December, the total precipitation amount is 14 mm (0.6 in) spread over a duration of 4 days.

December Precipitation Trends in Puente Alto

The chart displays monthly precipitation patterns in Puente Alto, 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 Puente Alto, December typically receives around 14 mm (0.6 inches) of precipitation spread over approximately 4 days.
JanFebMarAprMayJunJulAugSepOctNovDec2015102359106626148573214
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Puente Alto

In Puente Alto in December, humidity is 39%. With an average temperature of 17°C (62°F), this humidity feels pleasantly mild for traveling, making outdoor activities enjoyable and the air crisp and refreshing.

December Average Humidity in Puente Alto

This chart illustrates the average monthly humidity levels in Puente Alto, 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 Puente Alto is approximately 39%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec41%41%46%52%64%71%75%73%56%61%52%39%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Puente Alto

In Puente Alto in December, the maximum UV index reaches an alarming 15, which falls into the extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take precautions. For detailed information, you can check the Hourly UV Index in Puente Alto.

Maximum UV Index Levels in Puente Alto for December

The chart shows the monthly maximum UV Index (UVI) for Puente Alto 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 Puente Alto typically reaches 15, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec1514128646811121415
Data source: Puente Alto 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 Puente Alto Compares to Other Months

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

This table compares monthly weather conditions in Puente Alto, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather18°C (65°F)20 mm (0.8 inches)41%extreme
February Weather17°C (64°F)15 mm (0.6 inches)41%extreme
March Weather16°C (60°F)10 mm (0.4 inches)46%extreme
April Weather12°C (55°F)23 mm (0.9 inches)52%very high
May Weather8°C (47°F)59 mm (2.3 inches)64%high
June Weather4°C (39°F)106 mm (4.2 inches)71%moderate
July Weather4°C (39°F)62 mm (2.4 inches)75%high
August Weather5°C (42°F)61 mm (2.4 inches)73%very high
September Weather8°C (47°F)48 mm (1.9 inches)56%extreme
October Weather10°C (51°F)57 mm (2.3 inches)61%extreme
November Weather14°C (58°F)32 mm (1.3 inches)52%extreme
December Weather17°C (62°F)14 mm (0.6 inches)39%extreme

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