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December Weather in Olleros, Peru

Last updated: August 27, 2025

In December, the average temperature in Olleros, Peru hovers around 7°C (44°F), with a minimum of -2°C (29°F) and a maximum reaching 15°C (59°F). Expect significant rainfall, totaling 257 mm (10.1 in) over 28 days, combined with high average humidity at 91%. Prepare for a chilly, wet month!

December Temperature in Olleros

In December in Olleros, the average temperature is 7°C (44°F), with maximums reaching 15°C (59°F) and minimums dropping as low as -2°C (29°F). Be prepared for a mix of mild and chilly weather when planning your travels.

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

The chart illustrates December temperature patterns in Olleros, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Olleros, December typically has an average temperature of 7°C (44°F), with highs reaching up to 15°C (59°F) and lows dropping to around -2°C (29°F).
JanFebMarAprMayJunJulAugSepOctNovDec434443434443434343434444
Data source: Temperature data for Olleros 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 Olleros

In Olleros in December, the precipitation amount is 257 mm (10.1 in) over a span of 28 days.

December Precipitation Trends in Olleros

The chart displays monthly precipitation patterns in Olleros, 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 Olleros, December typically receives around 257 mm (10.1 inches) of precipitation spread over approximately 28 days.
JanFebMarAprMayJunJulAugSepOctNovDec255288355223147716676162205189257
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Olleros

In Olleros in December humidity is 91%. With an average temperature of 7°C (44°F), this humidity feels like a damp chill that seeps into your bones, making outdoor travel uncomfortable and a bit dreary, as the air hangs heavy and cold around you.

December Average Humidity in Olleros

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

In Olleros 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 Olleros.

Maximum UV Index Levels in Olleros for December

The chart shows the monthly maximum UV Index (UVI) for Olleros 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 Olleros typically reaches 18, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec191919181513141517181818
Data source: Olleros 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 Olleros Compares to Other Months

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

This table compares monthly weather conditions in Olleros, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather6°C (43°F)255 mm (10.0 inches)91%extreme
February Weather6°C (44°F)288 mm (11.3 inches)89%extreme
March Weather6°C (43°F)355 mm (14.0 inches)89%extreme
April Weather6°C (44°F)223 mm (8.8 inches)88%extreme
May Weather7°C (44°F)147 mm (5.8 inches)84%extreme
June Weather6°C (44°F)71 mm (2.8 inches)73%extreme
July Weather6°C (43°F)66 mm (2.6 inches)55%extreme
August Weather6°C (43°F)76 mm (3.0 inches)53%extreme
September Weather6°C (44°F)162 mm (6.4 inches)62%extreme
October Weather6°C (44°F)205 mm (8.1 inches)82%extreme
November Weather7°C (45°F)189 mm (7.5 inches)89%extreme
December Weather7°C (44°F)257 mm (10.1 inches)91%extreme

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