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December Weather in Santiago de Chuco, Peru

Last updated: August 27, 2025

In Santiago de Chuco, Peru, the average temperature in December hovers around 11°C (52°F). Expect chilly nights with a minimum of 2°C (36°F), while daytime can warm up to a pleasant 19°C (66°F). However, prepare for the wet weather as precipitation averages 330 mm (13.0 in) over the 28 days, and with an average humidity of 91%, it’s a good idea to keep your umbrella handy!

December Temperature in Santiago de Chuco

In December in Santiago de Chuco, the average temperature is 11°C (52°F). Maximums can reach 19°C (66°F), while minimums can dip as low as 2°C (36°F). It's advisable to pack layers to stay comfortable during your travels.

December Weather in Santiago de Chuco: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Santiago de Chuco, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Santiago de Chuco, December typically has an average temperature of 11°C (52°F), with highs reaching up to 19°C (66°F) and lows dropping to around 2°C (36°F).
JanFebMarAprMayJunJulAugSepOctNovDec515151515151515252525252
Data source: Temperature data for Santiago de Chuco 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 Santiago de Chuco

In Santiago de Chuco in December, the total precipitation amount is 330 mm (13.0 in) over a period of 28 days.

December Precipitation Trends in Santiago de Chuco

The chart displays monthly precipitation patterns in Santiago de Chuco, 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 Santiago de Chuco, December typically receives around 330 mm (13.0 inches) of precipitation spread over approximately 28 days.
JanFebMarAprMayJunJulAugSepOctNovDec2623144353112301077556165262181330
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Santiago de Chuco

In Santiago de Chuco in December, humidity is 91%. With an average temperature of 11°C (52°F), this humidity feels like a damp chill that clings to your skin, making it essential to dress in layers and plan for cozy indoor activities rather than lengthy outdoor explorations.

December Average Humidity in Santiago de Chuco

This chart illustrates the average monthly humidity levels in Santiago de Chuco, 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 Santiago de Chuco 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 Santiago de Chuco

In Santiago de Chuco in December, the maximum UV index is 16, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, making it crucial to take protective measures. For detailed information, you can refer to the Hourly UV Index in Santiago de Chuco.

Maximum UV Index Levels in Santiago de Chuco for December

The chart shows the monthly maximum UV Index (UVI) for Santiago de Chuco 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 Santiago de Chuco typically reaches 16, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec171718171412131316161616
Data source: Santiago de Chuco 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 Santiago de Chuco Compares to Other Months

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

This table compares monthly weather conditions in Santiago de Chuco, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather10°C (51°F)262 mm (10.3 inches)91%extreme
February Weather11°C (51°F)314 mm (12.4 inches)89%extreme
March Weather10°C (51°F)435 mm (17.1 inches)89%extreme
April Weather10°C (51°F)311 mm (12.2 inches)88%extreme
May Weather11°C (52°F)230 mm (9.1 inches)84%extreme
June Weather11°C (51°F)107 mm (4.2 inches)73%extreme
July Weather10°C (51°F)75 mm (3.0 inches)55%extreme
August Weather11°C (52°F)56 mm (2.2 inches)53%extreme
September Weather11°C (52°F)165 mm (6.5 inches)62%extreme
October Weather11°C (52°F)262 mm (10.3 inches)82%extreme
November Weather11°C (52°F)181 mm (7.1 inches)89%extreme
December Weather11°C (52°F)330 mm (13.0 inches)91%extreme

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