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December Weather in Chachas, Peru

Last updated: August 27, 2025

In December, the average temperature in Chachas, Peru hovers around 9°C (48°F). Expect chilly nights with a minimum of 0°C (32°F), while daytime highs can reach a comfortable 22°C (71°F). Be prepared for some rain, as 103 mm (4.0 in) of precipitation falls over 17 days. With an average humidity of 90%, don't forget to pack your umbrellas and light layers!

December Temperature in Chachas

In December in Chachas, the average temperature is 9°C (48°F). The maximum can reach 22°C (71°F), while the minimum can drop as low as 0°C (32°F). Pack layers for your trip, as temperatures can vary widely throughout the day.

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

The chart illustrates December temperature patterns in Chachas, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Chachas, December typically has an average temperature of 9°C (48°F), with highs reaching up to 22°C (71°F) and lows dropping to around 0°C (32°F).
JanFebMarAprMayJunJulAugSepOctNovDec464545444342434547474848
Data source: Temperature data for Chachas 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 Chachas

In Chachas in December, the precipitation amount is 103 mm (4.0 in) spread over 17 days.

December Precipitation Trends in Chachas

The chart displays monthly precipitation patterns in Chachas, 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 Chachas, December typically receives around 103 mm (4.0 inches) of precipitation spread over approximately 17 days.
JanFebMarAprMayJunJulAugSepOctNovDec2081992161085123118296355103
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Chachas

In Chachas in December, humidity is 90%. With an average temperature of 9°C (48°F), this humidity feels like a damp chill that seeps into your bones, making outdoor exploration quite uncomfortable and requiring heavier layers to stay warm and dry.

December Average Humidity in Chachas

This chart illustrates the average monthly humidity levels in Chachas, 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 Chachas 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 Chachas

In Chachas in December, the maximum UV index is 18, which corresponds to an extreme exposure category. This means that the time to burn is just 10 minutes. For more detailed information, you can check the hourly UV index in Chachas.

Maximum UV Index Levels in Chachas for December

The chart shows the monthly maximum UV Index (UVI) for Chachas 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 Chachas typically reaches 18, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec191918171311121416181918
Data source: Chachas 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 Chachas Compares to Other Months

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

This table compares monthly weather conditions in Chachas, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather8°C (46°F)208 mm (8.2 inches)92%extreme
February Weather7°C (45°F)199 mm (7.8 inches)93%extreme
March Weather7°C (45°F)216 mm (8.5 inches)92%extreme
April Weather7°C (44°F)108 mm (4.3 inches)91%extreme
May Weather6°C (43°F)51 mm (2.0 inches)87%extreme
June Weather6°C (43°F)23 mm (0.9 inches)76%extreme
July Weather6°C (43°F)11 mm (0.4 inches)57%extreme
August Weather7°C (45°F)8 mm (0.3 inches)51%extreme
September Weather8°C (47°F)28 mm (1.1 inches)67%extreme
October Weather8°C (47°F)63 mm (2.5 inches)77%extreme
November Weather9°C (49°F)55 mm (2.2 inches)85%extreme
December Weather9°C (48°F)103 mm (4.0 inches)90%extreme

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