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December Weather in Yanac, Peru

Last updated: August 27, 2025

In December, the average temperature in Yanac, Peru hovers around 10°C (51°F). Expect a minimum of 2°C (36°F) and a maximum of 20°C (68°F). This month also sees considerable precipitation, accumulating to 216 mm (8.5 in) over approximately 27 days, contributing to an average humidity level of a high 91%.

December Temperature in Yanac

In December in Yanac, the average temperature is 10°C (51°F). Maximums can reach 20°C (68°F), and minimums can be as low as 2°C (36°F). This weather makes Yanac a great destination for travelers seeking mild temperatures and the opportunity to enjoy outdoor activities.

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

The chart illustrates December temperature patterns in Yanac, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Yanac, December typically has an average temperature of 10°C (51°F), with highs reaching up to 20°C (68°F) and lows dropping to around 2°C (36°F).
JanFebMarAprMayJunJulAugSepOctNovDec505050505050495050505050
Data source: Temperature data for Yanac 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 Yanac

In Yanac in December, the precipitation amount is 216 mm (8.5 in) spread over 27 days.

December Precipitation Trends in Yanac

The chart displays monthly precipitation patterns in Yanac, 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 Yanac, December typically receives around 216 mm (8.5 inches) of precipitation spread over approximately 27 days.
JanFebMarAprMayJunJulAugSepOctNovDec1831912671669342283478172168216
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Yanac

In Yanac in December, humidity is 91%. With an average temperature of 10°C (51°F), this humidity feels like a damp chill that clings to your skin, making outdoor exploration uncomfortable and leaving you yearning for warm, dry shelter.

December Average Humidity in Yanac

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

In Yanac 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 Yanac, you can check Hourly UV Index in Yanac.

Maximum UV Index Levels in Yanac for December

The chart shows the monthly maximum UV Index (UVI) for Yanac 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 Yanac typically reaches 17, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec181919181513141417181717
Data source: Yanac 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 Yanac Compares to Other Months

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

This table compares monthly weather conditions in Yanac, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather10°C (50°F)183 mm (7.2 inches)91%extreme
February Weather10°C (50°F)191 mm (7.5 inches)89%extreme
March Weather10°C (50°F)267 mm (10.5 inches)89%extreme
April Weather10°C (50°F)166 mm (6.5 inches)88%extreme
May Weather10°C (50°F)92 mm (3.6 inches)84%extreme
June Weather10°C (50°F)42 mm (1.7 inches)73%extreme
July Weather10°C (50°F)28 mm (1.1 inches)55%extreme
August Weather10°C (50°F)33 mm (1.3 inches)53%extreme
September Weather10°C (50°F)77 mm (3.1 inches)62%extreme
October Weather10°C (50°F)172 mm (6.8 inches)82%extreme
November Weather10°C (51°F)168 mm (6.6 inches)89%extreme
December Weather10°C (51°F)216 mm (8.5 inches)91%extreme

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