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December Weather in Puerto Callao, Peru

Last updated: August 27, 2025

In Puerto Callao, Peru, the average temperature in December hovers around 27°C (81°F). You'll experience comfortable days, with temperatures ranging from a minimum of 22°C (72°F) to a maximum of 34°C (94°F). However, be prepared for frequent rain, as the area sees an average precipitation of 278 mm (10.9 in) over 26 days, accompanied by high humidity levels at 89%.

December Temperature in Puerto Callao

In December in Puerto Callao, the average temperature is 27°C (81°F), with maximums reaching 34°C (94°F) and minimums dipping to 22°C (72°F). This pleasant climate makes it an ideal time for travelers to explore and enjoy outdoor activities.

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

The chart illustrates December temperature patterns in Puerto Callao, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Puerto Callao, December typically has an average temperature of 27°C (81°F), with highs reaching up to 34°C (94°F) and lows dropping to around 22°C (72°F).
JanFebMarAprMayJunJulAugSepOctNovDec808080807979788081818180
Data source: Temperature data for Puerto Callao 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 Callao

In Puerto Callao in December, the total precipitation amount is 278 mm (10.9 in) over a period of 26 days.

December Precipitation Trends in Puerto Callao

The chart displays monthly precipitation patterns in Puerto Callao, 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 Callao, December typically receives around 278 mm (10.9 inches) of precipitation spread over approximately 26 days.
JanFebMarAprMayJunJulAugSepOctNovDec2673153912771721039788137192282278
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Puerto Callao

In Puerto Callao in December humidity is 89%. With an average temperature of 27°C (81°F), this humidity feels like a wet blanket enveloping you, making outdoor activities challenging and travel a little less comfortable.

December Average Humidity in Puerto Callao

This chart illustrates the average monthly humidity levels in Puerto Callao, 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 Callao is approximately 89%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%82%86%88%82%67%48%39%40%51%74%89%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Puerto Callao

In Puerto Callao 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 Puerto Callao, you can check here.

Maximum UV Index Levels in Puerto Callao for December

The chart shows the monthly maximum UV Index (UVI) for Puerto Callao 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 Callao typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec151616151211111214151514
Data source: Puerto Callao 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 Callao Compares to Other Months

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

This table compares monthly weather conditions in Puerto Callao, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather27°C (80°F)267 mm (10.5 inches)85%extreme
February Weather27°C (80°F)315 mm (12.4 inches)82%extreme
March Weather26°C (80°F)391 mm (15.4 inches)86%extreme
April Weather26°C (80°F)276 mm (10.9 inches)88%extreme
May Weather26°C (79°F)172 mm (6.8 inches)82%extreme
June Weather26°C (79°F)103 mm (4.1 inches)67%extreme
July Weather26°C (79°F)97 mm (3.8 inches)48%extreme
August Weather26°C (80°F)88 mm (3.5 inches)39%extreme
September Weather27°C (81°F)136 mm (5.4 inches)40%extreme
October Weather27°C (81°F)192 mm (7.6 inches)51%extreme
November Weather27°C (81°F)282 mm (11.1 inches)74%extreme
December Weather27°C (81°F)278 mm (10.9 inches)89%extreme

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