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December Weather in Iscos, Peru

Last updated: August 27, 2025

In December, the average temperature in Iscos, Peru is a cool 8°C (46°F). While daytime highs can reach up to 16°C (62°F), it's not uncommon for temperatures to dip to a chilly 0°C (32°F). Be prepared for wet weather, as the region receives an average precipitation of 218 mm (8.6 in) over 29 days, contributing to a high average humidity of 87%.

December Temperature in Iscos

In December in Iscos, the average temperature is 8°C (46°F), with a maximum reaching 16°C (62°F) and a minimum dipping as low as 0°C (32°F). It's advisable to pack layers and be prepared for cooler evenings while enjoying your travels.

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

The chart illustrates December temperature patterns in Iscos, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Iscos, December typically has an average temperature of 8°C (46°F), with highs reaching up to 16°C (62°F) and lows dropping to around 0°C (32°F).
JanFebMarAprMayJunJulAugSepOctNovDec454545444343424243444646
Data source: Temperature data for Iscos 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 Iscos

In Iscos, in December, the total precipitation amount is 218 mm (8.6 in) spread over 29 days.

December Precipitation Trends in Iscos

The chart displays monthly precipitation patterns in Iscos, 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 Iscos, December typically receives around 218 mm (8.6 inches) of precipitation spread over approximately 29 days.
JanFebMarAprMayJunJulAugSepOctNovDec23728127413182302848100148185218
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Iscos

In Iscos in December, humidity is 87%. With an average temperature of 8°C (46°F), this humidity feels like a chilly, damp fog clinging to your skin, making outdoor activities a bit uncomfortable and causing even mild exertion to leave you feeling clammy and cold.

December Average Humidity in Iscos

This chart illustrates the average monthly humidity levels in Iscos, 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 Iscos is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%89%90%89%83%69%56%51%53%68%82%87%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Iscos

In Iscos 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 Iscos.

Maximum UV Index Levels in Iscos for December

The chart shows the monthly maximum UV Index (UVI) for Iscos 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 Iscos typically reaches 18, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec201919171512131517181818
Data source: Iscos 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 Iscos Compares to Other Months

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

This table compares monthly weather conditions in Iscos, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather7°C (45°F)237 mm (9.3 inches)89%extreme
February Weather7°C (45°F)281 mm (11.1 inches)89%extreme
March Weather7°C (45°F)274 mm (10.8 inches)90%extreme
April Weather7°C (45°F)131 mm (5.2 inches)89%extreme
May Weather6°C (44°F)82 mm (3.2 inches)83%extreme
June Weather6°C (43°F)30 mm (1.2 inches)69%extreme
July Weather5°C (42°F)28 mm (1.1 inches)56%extreme
August Weather6°C (43°F)48 mm (1.9 inches)50%extreme
September Weather6°C (43°F)100 mm (3.9 inches)53%extreme
October Weather7°C (44°F)148 mm (5.8 inches)68%extreme
November Weather8°C (46°F)185 mm (7.3 inches)81%extreme
December Weather8°C (46°F)218 mm (8.6 inches)87%extreme

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