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December Weather in Caldera, Peru

Last updated: August 27, 2025

In Caldera, Peru, the average temperature in December hovers around 20°C (68°F). Expect a minimum of 15°C (59°F) and a pleasant maximum of 27°C (81°F). With 17 mm (0.7 in) of precipitation spread over 6 days, it’s wise to carry an umbrella. The air is quite humid too, with an average humidity of 89%. Plan accordingly for a cozy outing!

December Temperature in Caldera

In December in Caldera, the average temperature is 20°C (68°F). Maximum can reach 27°C (81°F), and minimum can be as low as 15°C (59°F). This makes it an ideal time for travelers seeking pleasant weather.

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

The chart illustrates December temperature patterns in Caldera, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Caldera, December typically has an average temperature of 20°C (68°F), with highs reaching up to 27°C (81°F) and lows dropping to around 15°C (59°F).
JanFebMarAprMayJunJulAugSepOctNovDec707170686664636363646568
Data source: Temperature data for Caldera 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 Caldera

In Caldera in December, the precipitation amount is 17 mm (0.7 in) over a span of 6 days.

December Precipitation Trends in Caldera

The chart displays monthly precipitation patterns in Caldera, 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 Caldera, December typically receives around 17 mm (0.7 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec495986195322471017
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Caldera

In Caldera in December, humidity is 89%. With an average temperature of 20°C (68°F), this humidity feels like walking through a warm, damp blanket that clings to your skin, making each step feel heavier and the air thick with moisture, which can be quite uncomfortable for traveling.

December Average Humidity in Caldera

This chart illustrates the average monthly humidity levels in Caldera, 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 Caldera is approximately 89%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%90%89%89%85%77%75%74%78%84%88%89%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Caldera

In Caldera 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 Caldera, you can check here.

Maximum UV Index Levels in Caldera for December

The chart shows the monthly maximum UV Index (UVI) for Caldera 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 Caldera typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec151516141210111213151414
Data source: Caldera 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 Caldera Compares to Other Months

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

This table compares monthly weather conditions in Caldera, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather21°C (70°F)49 mm (1.9 inches)91%extreme
February Weather22°C (71°F)59 mm (2.3 inches)90%extreme
March Weather21°C (71°F)86 mm (3.4 inches)89%extreme
April Weather20°C (68°F)19 mm (0.8 inches)88%extreme
May Weather19°C (66°F)5 mm (0.2 inches)85%extreme
June Weather18°C (64°F)3 mm (0.1 inches)77%very high
July Weather17°C (63°F)2 mm (0.1 inches)75%extreme
August Weather17°C (63°F)2 mm (0.1 inches)74%extreme
September Weather17°C (63°F)3 mm (0.1 inches)78%extreme
October Weather18°C (64°F)7 mm (0.3 inches)84%extreme
November Weather19°C (66°F)10 mm (0.4 inches)88%extreme
December Weather20°C (68°F)17 mm (0.7 inches)89%extreme

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