nomadseason

December Weather in Callalli, Peru

Last updated: August 27, 2025

In December, the average temperature in Callalli, Peru hovers around 6°C (44°F), with a minimum dip to -4°C (26°F) and an occasional high of 21°C (70°F). Expect 138 mm (5.4 in) of precipitation spread over 20 days, creating a rather humid environment with an average humidity of 90%. Be prepared for a blend of chilly air and wet weather!

December Temperature in Callalli

In December in Callalli, the average temperature is 6°C (44°F). It can peak at 21°C (70°F) and drop as low as -4°C (26°F). Be prepared for a wide range of temperatures during your travels.

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

The chart illustrates December temperature patterns in Callalli, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Callalli, December typically has an average temperature of 6°C (44°F), with highs reaching up to 21°C (70°F) and lows dropping to around -4°C (26°F).
JanFebMarAprMayJunJulAugSepOctNovDec424241403938383942424443
Data source: Temperature data for Callalli generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Callalli

In Callalli in December, the precipitation amount is 138 mm (5.4 in) over the course of 20 days.

December Precipitation Trends in Callalli

The chart displays monthly precipitation patterns in Callalli, 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 Callalli, December typically receives around 138 mm (5.4 inches) of precipitation spread over approximately 20 days.
JanFebMarAprMayJunJulAugSepOctNovDec1961942018634121111416980138
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

December Humidity in Callalli

In Callalli in December humidity is 90%. With an average temperature of 6°C (44°F), this humidity feels like a damp chill that clings to your skin, making outdoor excursions uncomfortable and requiring extra layers to stay warm and dry while exploring.

December Average Humidity in Callalli

This chart illustrates the average monthly humidity levels in Callalli, 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 Callalli is approximately 90%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec92%93%92%91%87%76%57%51%67%77%85%90%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Callalli

In Callalli in December, the maximum UV index reaches 22, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take protective measures during this period. For more detailed information, you can check the hourly UV Index in Callalli.

Maximum UV Index Levels in Callalli for December

The chart shows the monthly maximum UV Index (UVI) for Callalli 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 Callalli typically reaches 22, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec242121181411131517192022
Data source: Callalli 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 Callalli Compares to Other Months

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

This table compares monthly weather conditions in Callalli, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (42°F)196 mm (7.7 inches)92%extreme
February Weather5°C (42°F)194 mm (7.6 inches)93%extreme
March Weather5°C (42°F)201 mm (7.9 inches)92%extreme
April Weather4°C (40°F)86 mm (3.4 inches)91%extreme
May Weather4°C (39°F)34 mm (1.3 inches)87%extreme
June Weather3°C (38°F)12 mm (0.5 inches)76%extreme
July Weather3°C (38°F)11 mm (0.4 inches)57%extreme
August Weather4°C (40°F)11 mm (0.4 inches)51%extreme
September Weather6°C (42°F)41 mm (1.6 inches)67%extreme
October Weather6°C (43°F)69 mm (2.7 inches)77%extreme
November Weather7°C (45°F)79 mm (3.1 inches)85%extreme
December Weather6°C (44°F)138 mm (5.4 inches)90%extreme

Compare Callalli's Climate with Cities Worldwide