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December Weather in Chalaco, Peru

Last updated: August 27, 2025

In December, the average temperature in Chalaco, Peru hovers around 16°C (61°F). Throughout the month, temperatures can dip to a minimum of 9°C (48°F) and peak at a pleasant 23°C (74°F). Be prepared for a fair amount of rain, with 423 mm (16.6 in) of precipitation spread over 28 days, and expect the air to be quite humid, averaging around 85%.

December Temperature in Chalaco

In December in Chalaco, the average temperature is 16°C (61°F). The maximum can reach 23°C (74°F), and the minimum can be as low as 9°C (48°F). This pleasant climate makes it a great time for outdoor activities and exploring local attractions.

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

The chart illustrates December temperature patterns in Chalaco, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Chalaco, December typically has an average temperature of 16°C (61°F), with highs reaching up to 23°C (74°F) and lows dropping to around 9°C (48°F).
JanFebMarAprMayJunJulAugSepOctNovDec616161616161616162616061
Data source: Temperature data for Chalaco 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 Chalaco

In Chalaco in December, the total precipitation amount reaches 423 mm (16.6 in) over the course of 28 days.

December Precipitation Trends in Chalaco

The chart displays monthly precipitation patterns in Chalaco, 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 Chalaco, December typically receives around 423 mm (16.6 inches) of precipitation spread over approximately 28 days.
JanFebMarAprMayJunJulAugSepOctNovDec36155777245622867291951238257423
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Chalaco

In Chalaco in December, humidity is 85%. With an average temperature of 16°C (61°F), this humidity feels like a thick blanket wrapping around you, making outdoor activities feel sticky and the air heavy, which can be challenging for traveling and exploring the area comfortably.

December Average Humidity in Chalaco

This chart illustrates the average monthly humidity levels in Chalaco, 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 Chalaco is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%80%85%87%88%73%51%44%49%71%77%85%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Chalaco

In Chalaco 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 Chalaco.

Maximum UV Index Levels in Chalaco for December

The chart shows the monthly maximum UV Index (UVI) for Chalaco 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 Chalaco typically reaches 15, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec161718181513131417171615
Data source: Chalaco 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 Chalaco Compares to Other Months

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

This table compares monthly weather conditions in Chalaco, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather16°C (61°F)361 mm (14.2 inches)82%extreme
February Weather16°C (61°F)557 mm (21.9 inches)80%extreme
March Weather16°C (61°F)772 mm (30.4 inches)85%extreme
April Weather16°C (62°F)456 mm (18.0 inches)87%extreme
May Weather16°C (61°F)228 mm (9.0 inches)88%extreme
June Weather16°C (61°F)67 mm (2.6 inches)73%extreme
July Weather16°C (61°F)29 mm (1.1 inches)51%extreme
August Weather16°C (62°F)19 mm (0.7 inches)44%extreme
September Weather16°C (62°F)51 mm (2.0 inches)49%extreme
October Weather16°C (61°F)238 mm (9.4 inches)71%extreme
November Weather16°C (61°F)257 mm (10.1 inches)77%extreme
December Weather16°C (61°F)423 mm (16.6 inches)85%extreme

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