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December Weather in Chacas, Peru

Last updated: August 27, 2025

In December, the average temperature in Chacas, Peru hovers around 7°C (45°F), with a minimum dipping to -2°C (28°F) and a maximum reaching 16°C (62°F). This month witnesses a substantial amount of precipitation, totaling 293 mm (11.5 in) over 29 days, coupled with a high average humidity of 91%.

December Temperature in Chacas

In December in Chacas, the average temperature is 7°C (45°F). Maximums can reach 16°C (62°F), and minimums can be as low as -2°C (28°F). Travelers should be prepared for a mix of cool and chilly weather, making layered clothing a wise choice.

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

The chart illustrates December temperature patterns in Chacas, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Chacas, December typically has an average temperature of 7°C (45°F), with highs reaching up to 16°C (62°F) and lows dropping to around -2°C (28°F).
JanFebMarAprMayJunJulAugSepOctNovDec444544444444434344444545
Data source: Temperature data for Chacas 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 Chacas

In Chacas in December, the total precipitation amount is 293 mm (11.5 in) spread over 29 days.

December Precipitation Trends in Chacas

The chart displays monthly precipitation patterns in Chacas, 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 Chacas, December typically receives around 293 mm (11.5 inches) of precipitation spread over approximately 29 days.
JanFebMarAprMayJunJulAugSepOctNovDec229243281191132664471143238265293
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Chacas

In Chacas in December humidity is 91%. With an average temperature of 7°C (45°F), this humidity feels like a thick blanket wrapping around you, making it difficult to stay comfortable while traveling.

December Average Humidity in Chacas

This chart illustrates the average monthly humidity levels in Chacas, 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 Chacas is approximately 91%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%90%89%84%73%55%53%62%82%89%91%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Chacas

In Chacas in December, the maximum UV index reaches an alarming 17, which falls under the extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to stay protected. For more details on the hourly UV index in Chacas, you can check Hourly UV Index in Chacas.

Maximum UV Index Levels in Chacas for December

The chart shows the monthly maximum UV Index (UVI) for Chacas 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 Chacas typically reaches 17, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec191919181513141517181817
Data source: Chacas 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 Chacas Compares to Other Months

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

This table compares monthly weather conditions in Chacas, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather7°C (45°F)229 mm (9.0 inches)91%extreme
February Weather7°C (45°F)243 mm (9.6 inches)89%extreme
March Weather7°C (44°F)281 mm (11.1 inches)89%extreme
April Weather7°C (45°F)191 mm (7.5 inches)88%extreme
May Weather7°C (45°F)132 mm (5.2 inches)84%extreme
June Weather6°C (44°F)66 mm (2.6 inches)73%extreme
July Weather6°C (43°F)44 mm (1.7 inches)55%extreme
August Weather6°C (44°F)71 mm (2.8 inches)53%extreme
September Weather7°C (44°F)143 mm (5.6 inches)62%extreme
October Weather7°C (44°F)238 mm (9.4 inches)82%extreme
November Weather7°C (45°F)265 mm (10.4 inches)89%extreme
December Weather7°C (45°F)293 mm (11.5 inches)91%extreme

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